./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 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_lookup_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 e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:08:17,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:08:17,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:08:17,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:08:17,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:08:18,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:08:18,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:08:18,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:08:18,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:08:18,002 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:08:18,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:08:18,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:08:18,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:08:18,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:08:18,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:08:18,003 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:08:18,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:18,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:08:18,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:18,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:08:18,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:08:18,005 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 -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2025-01-09 17:08:18,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:08:18,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:08:18,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:08:18,211 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:08:18,211 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:08:18,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-01-09 17:08:19,363 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8be2ad0b0/445b43db20614ef697307fc69085ec5f/FLAG912fc8b0a [2025-01-09 17:08:19,761 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:08:19,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-01-09 17:08:19,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8be2ad0b0/445b43db20614ef697307fc69085ec5f/FLAG912fc8b0a [2025-01-09 17:08:19,933 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8be2ad0b0/445b43db20614ef697307fc69085ec5f [2025-01-09 17:08:19,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:08:19,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:08:19,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:08:19,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:08:19,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:08:19,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:08:19" (1/1) ... [2025-01-09 17:08:19,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3097829d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:19, skipping insertion in model container [2025-01-09 17:08:19,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:08:19" (1/1) ... [2025-01-09 17:08:20,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:08:20,192 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_lookup_harness_negated.i[4504,4517] [2025-01-09 17:08:20,198 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_lookup_harness_negated.i[4564,4577] [2025-01-09 17:08:20,761 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:20,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:08:21,336 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:08:21,345 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_lookup_harness_negated.i[4504,4517] [2025-01-09 17:08:21,346 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_lookup_harness_negated.i[4564,4577] [2025-01-09 17:08:21,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-01-09 17:08:21,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:21,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-01-09 17:08:21,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:08:21,669 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:08:21,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21 WrapperNode [2025-01-09 17:08:21,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:08:21,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:08:21,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:08:21,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:08:21,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,785 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-01-09 17:08:21,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:08:21,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:08:21,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:08:21,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:08:21,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,844 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 2, 238, 6, 34, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 0, 232, 2, 3, 0, 0]. [2025-01-09 17:08:21,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:08:21,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:08:21,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:08:21,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:08:21,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (1/1) ... [2025-01-09 17:08:21,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:08:21,921 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 17:08:21,925 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 17:08:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:08:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:08:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:08:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:08:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:08:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-01-09 17:08:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:08:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:08:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:08:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:08:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:08:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:08:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:08:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:08:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:08:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:08:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:08:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-01-09 17:08:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:08:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:08:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:08:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:08:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:08:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 17:08:22,211 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:08:22,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:08:29,276 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-01-09 17:08:29,276 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:08:29,285 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:08:29,287 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:08:29,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:29 BoogieIcfgContainer [2025-01-09 17:08:29,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:08:29,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:08:29,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:08:29,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:08:29,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:08:19" (1/3) ... [2025-01-09 17:08:29,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9948dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:29, skipping insertion in model container [2025-01-09 17:08:29,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:21" (2/3) ... [2025-01-09 17:08:29,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9948dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:29, skipping insertion in model container [2025-01-09 17:08:29,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:29" (3/3) ... [2025-01-09 17:08:29,296 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2025-01-09 17:08:29,307 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:08:29,309 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. [2025-01-09 17:08:29,354 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:08:29,362 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;@4b8144a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:08:29,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:08:29,367 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) [2025-01-09 17:08:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-01-09 17:08:29,374 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:08:29,375 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] [2025-01-09 17:08:29,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:08:29,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:08:29,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1474128557, now seen corresponding path program 1 times [2025-01-09 17:08:29,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:08:29,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652364670] [2025-01-09 17:08:29,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:08:29,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:09:36,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-09 17:09:37,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-09 17:09:37,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:09:37,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:09:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-01-09 17:09:37,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:09:37,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652364670] [2025-01-09 17:09:37,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652364670] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:09:37,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28232822] [2025-01-09 17:09:37,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:09:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:37,923 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 17:09:37,925 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