./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.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 fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:02:46,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:02:46,188 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:02:46,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:02:46,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:02:46,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:02:46,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:02:46,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:02:46,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:02:46,216 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:02:46,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:02:46,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:02:46,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:02:46,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:02:46,216 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:02:46,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:02:46,217 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:02:46,217 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:02:46,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:02:46,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:02:46,218 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 -> fa640d76b01d20471995032e33acbe8cd362fa74ac26bb02247b6be5b51a4b6c [2025-02-06 05:02:46,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:02:46,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:02:46,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:02:46,447 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:02:46,448 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:02:46,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2025-02-06 05:02:47,577 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e6b657f9/190448674d974e5d9945a978ac65bfbf/FLAG9d4927002 [2025-02-06 05:02:47,982 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:02:47,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2025-02-06 05:02:48,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e6b657f9/190448674d974e5d9945a978ac65bfbf/FLAG9d4927002 [2025-02-06 05:02:48,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e6b657f9/190448674d974e5d9945a978ac65bfbf [2025-02-06 05:02:48,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:02:48,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:02:48,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:02:48,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:02:48,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:02:48,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:02:48" (1/1) ... [2025-02-06 05:02:48,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228377e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:48, skipping insertion in model container [2025-02-06 05:02:48,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:02:48" (1/1) ... [2025-02-06 05:02:48,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:02:48,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2025-02-06 05:02:48,399 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2025-02-06 05:02:48,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:48,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:02:49,327 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:02:49,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2025-02-06 05:02:49,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2025-02-06 05:02:49,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-06 05:02:49,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:02:49,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-06 05:02:49,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:02:49,633 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:02:49,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49 WrapperNode [2025-02-06 05:02:49,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:02:49,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:02:49,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:02:49,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:02:49,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,762 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2025-02-06 05:02:49,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:02:49,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:02:49,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:02:49,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:02:49,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,830 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 4, 238, 46, 5, 6]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 4, 5, 0]. The 494 writes are split as follows [0, 257, 0, 232, 3, 0, 2]. [2025-02-06 05:02:49,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:02:49,876 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:02:49,876 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:02:49,876 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:02:49,876 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (1/1) ... [2025-02-06 05:02:49,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:02:49,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:02:49,903 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) [2025-02-06 05:02:49,909 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 [2025-02-06 05:02:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:02:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2025-02-06 05:02:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:02:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-06 05:02:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:02:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 05:02:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:02:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:02:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:02:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:02:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:02:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:02:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:02:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:02:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:02:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:02:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:02:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:02:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:02:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:02:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:02:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:02:50,153 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:02:50,155 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:02:50,181 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:02:50,218 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:02:50,230 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:02:50,234 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-02-06 05:02:50,244 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:02:50,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: 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; [2025-02-06 05:02:50,318 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8144: havoc #t~mem1032#1; [2025-02-06 05:02:50,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7333: havoc memcmp_safe_#t~nondet655#1; [2025-02-06 05:02:57,065 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2025-02-06 05:02:57,065 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:02:57,075 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:02:57,075 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:02:57,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:02:57 BoogieIcfgContainer [2025-02-06 05:02:57,076 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:02:57,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:02:57,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:02:57,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:02:57,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:02:48" (1/3) ... [2025-02-06 05:02:57,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9d75e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:02:57, skipping insertion in model container [2025-02-06 05:02:57,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:02:49" (2/3) ... [2025-02-06 05:02:57,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9d75e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:02:57, skipping insertion in model container [2025-02-06 05:02:57,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:02:57" (3/3) ... [2025-02-06 05:02:57,085 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2025-02-06 05:02:57,095 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:02:57,098 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lexical_harness.i that has 12 procedures, 150 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:02:57,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:02:57,149 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;@12f25d9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:02:57,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:02:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 92 states have internal predecessors, (111), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-02-06 05:02:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 05:02:57,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:02:57,163 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:02:57,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:02:57,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:02:57,168 INFO L85 PathProgramCache]: Analyzing trace with hash 23982872, now seen corresponding path program 1 times [2025-02-06 05:02:57,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:02:57,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314650287] [2025-02-06 05:02:57,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:02:57,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:04:03,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 05:04:04,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 05:04:04,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:04:04,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:04:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2025-02-06 05:04:04,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:04:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314650287] [2025-02-06 05:04:04,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314650287] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:04:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898845452] [2025-02-06 05:04:04,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:04:04,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:04:04,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:04:04,774 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) [2025-02-06 05:04:04,775 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