./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 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-?-48c9605-m [2025-02-08 01:39:54,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:39:54,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:39:54,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:39:54,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:39:55,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:39:55,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:39:55,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:39:55,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:39:55,010 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:39:55,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:39:55,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:39:55,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:39:55,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:39:55,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:39:55,012 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:55,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:39:55,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:39:55,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:39:55,013 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 [2025-02-08 01:39:55,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:39:55,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:39:55,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:39:55,250 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:39:55,250 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:39:55,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-02-08 01:39:56,442 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5c63c6a90/0461dc1170bf4deeb1f405a7373b3e78/FLAG858611ee3 [2025-02-08 01:39:56,933 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:39:56,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-02-08 01:39:56,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5c63c6a90/0461dc1170bf4deeb1f405a7373b3e78/FLAG858611ee3 [2025-02-08 01:39:57,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5c63c6a90/0461dc1170bf4deeb1f405a7373b3e78 [2025-02-08 01:39:57,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:39:57,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:39:57,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:57,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:39:57,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:39:57,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76dbe9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57, skipping insertion in model container [2025-02-08 01:39:57,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:39:57,237 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] [2025-02-08 01:39:57,241 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] [2025-02-08 01:39:57,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,771 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,773 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:58,368 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:39:58,379 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] [2025-02-08 01:39:58,383 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] [2025-02-08 01:39:58,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-08 01:39:58,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-08 01:39:58,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:58,688 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:39:58,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58 WrapperNode [2025-02-08 01:39:58,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:58,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:58,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:39:58,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:39:58,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,799 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-02-08 01:39:58,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:58,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:39:58,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:39:58,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:39:58,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,881 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 6, 2, 4, 34, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 0, 3, 0]. [2025-02-08 01:39:58,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:39:58,949 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:39:58,949 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:39:58,949 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:39:58,950 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:58,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:58,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:39:58,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:39:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:39:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:39:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:39:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:39:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:39:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:39:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:39:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:39:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:39:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:39:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:39:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:39:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:39:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:39:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:39:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:39:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:39:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:39:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-02-08 01:39:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:39:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:39:59,248 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:39:59,250 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:39:59,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:39:59,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#3(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#3(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:39:59,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if #t~mem603#1 % 18446744073709551616 < ~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:39:59,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc #t~mem603#1;call #t~mem604#1 := read~int#3(~storage#1.base, ~storage#1.offset, 8);call #t~mem605#1 := read~int#5(~array#1.base, ~array#1.offset + (if #t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then #t~mem604#1 % 18446744073709551616 % 18446744073709551616 else #t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#3(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:39:59,350 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-02-08 01:39:59,361 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:39:59,385 INFO L1324 $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; [2025-02-08 01:40:06,355 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-08 01:40:06,355 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:40:06,362 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:40:06,363 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:40:06,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:40:06 BoogieIcfgContainer [2025-02-08 01:40:06,363 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:40:06,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:40:06,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:40:06,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:40:06,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:39:57" (1/3) ... [2025-02-08 01:40:06,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50086c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:40:06, skipping insertion in model container [2025-02-08 01:40:06,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (2/3) ... [2025-02-08 01:40:06,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50086c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:40:06, skipping insertion in model container [2025-02-08 01:40:06,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:40:06" (3/3) ... [2025-02-08 01:40:06,370 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2025-02-08 01:40:06,380 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:40:06,381 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness_negated.i that has 11 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:40:06,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:40:06,463 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;@4f360ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:40:06,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:40:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 77 states have internal predecessors, (95), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 01:40:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 01:40:06,473 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:40:06,474 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] [2025-02-08 01:40:06,475 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:40:06,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:40:06,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1902200702, now seen corresponding path program 1 times [2025-02-08 01:40:06,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:40:06,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740408472] [2025-02-08 01:40:06,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:40:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:41:14,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 01:41:14,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 01:41:14,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:41:14,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:41:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 01:41:15,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:41:15,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740408472] [2025-02-08 01:41:15,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740408472] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:41:15,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60199400] [2025-02-08 01:41:15,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:41:15,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:41:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:41:15,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:41:15,288 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