./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.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_eq_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:09:24,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:09:24,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:09:24,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:09:24,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:09:24,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:09:24,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:09:24,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:09:24,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:09:24,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:09:24,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:09:24,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:09:24,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:09:24,208 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:09:24,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:09:24,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:09:24,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:09:24,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:09:24,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:09:24,210 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 -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2025-01-09 17:09:24,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:09:24,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:09:24,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:09:24,421 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:09:24,421 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:09:24,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-01-09 17:09:25,525 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03315a1f5/9704108641f34d82af001fc424504b24/FLAG1740bf9ec [2025-01-09 17:09:25,915 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:09:25,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-01-09 17:09:25,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03315a1f5/9704108641f34d82af001fc424504b24/FLAG1740bf9ec [2025-01-09 17:09:26,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03315a1f5/9704108641f34d82af001fc424504b24 [2025-01-09 17:09:26,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:09:26,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:09:26,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:09:26,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:09:26,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:09:26,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:09:26" (1/1) ... [2025-01-09 17:09:26,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429b3c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:26, skipping insertion in model container [2025-01-09 17:09:26,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:09:26" (1/1) ... [2025-01-09 17:09:26,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:09:26,315 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_eq_harness.i[4492,4505] [2025-01-09 17:09:26,321 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_eq_harness.i[4552,4565] [2025-01-09 17:09:26,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,764 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,765 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:26,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:09:27,254 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:09:27,267 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_eq_harness.i[4492,4505] [2025-01-09 17:09:27,267 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_eq_harness.i[4552,4565] [2025-01-09 17:09:27,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-01-09 17:09:27,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:27,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-01-09 17:09:27,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:09:27,587 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:09:27,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27 WrapperNode [2025-01-09 17:09:27,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:09:27,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:09:27,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:09:27,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:09:27,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,715 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-01-09 17:09:27,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:09:27,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:09:27,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:09:27,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:09:27,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,786 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 38, 4, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 0, 2, 0]. [2025-01-09 17:09:27,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,819 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:09:27,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:09:27,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:09:27,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:09:27,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (1/1) ... [2025-01-09 17:09:27,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:09:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:27,875 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 17:09:27,878 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 17:09:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:09:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:09:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:09:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:09:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:09:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-01-09 17:09:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:09:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:09:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:09:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:09:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:09:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:09:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:09:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:09:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:09:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:09:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:09:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:09:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:09:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:09:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:09:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:09:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:09:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:09:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:09:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:09:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:09:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:09:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:09:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:09:28,117 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:09:28,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:09:34,830 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-01-09 17:09:34,831 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:09:34,840 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:09:34,842 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:09:34,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:09:34 BoogieIcfgContainer [2025-01-09 17:09:34,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:09:34,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:09:34,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:09:34,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:09:34,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:09:26" (1/3) ... [2025-01-09 17:09:34,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ac4241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:09:34, skipping insertion in model container [2025-01-09 17:09:34,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:27" (2/3) ... [2025-01-09 17:09:34,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ac4241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:09:34, skipping insertion in model container [2025-01-09 17:09:34,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:09:34" (3/3) ... [2025-01-09 17:09:34,848 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2025-01-09 17:09:34,857 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:09:34,858 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness.i that has 12 procedures, 134 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:09:34,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:09:34,905 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;@1d25ec07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:09:34,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:09:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-09 17:09:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 17:09:34,914 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:09:34,915 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-01-09 17:09:34,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:09:34,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:09:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2025-01-09 17:09:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:09:34,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551313406] [2025-01-09 17:09:34,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:34,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:10:47,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 17:10:48,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 17:10:48,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:10:48,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:10:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-01-09 17:10:48,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:10:48,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551313406] [2025-01-09 17:10:48,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551313406] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:10:48,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091791968] [2025-01-09 17:10:48,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:10:48,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:10:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:10:48,966 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 17:10:48,968 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