./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 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_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-?-48c9605-m [2025-02-08 01:39:18,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:39:18,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:39:18,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:39:18,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:39:18,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:39:18,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:39:18,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:39:18,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:39:18,407 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:39:18,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:39:18,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:39:18,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:39:18,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:39:18,408 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:39:18,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:39:18,409 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:39:18,409 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:18,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:39:18,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:39:18,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:39:18,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:39:18,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:39:18,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:39:18,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:39:18,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:39:18,411 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 [2025-02-08 01:39:18,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:39:18,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:39:18,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:39:18,616 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:39:18,617 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:39:18,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2025-02-08 01:39:19,724 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3aebd1207/eba405f30165477bb67b3b499348a288/FLAGb985fb02b [2025-02-08 01:39:20,183 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:39:20,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2025-02-08 01:39:20,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3aebd1207/eba405f30165477bb67b3b499348a288/FLAGb985fb02b [2025-02-08 01:39:20,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3aebd1207/eba405f30165477bb67b3b499348a288 [2025-02-08 01:39:20,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:39:20,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:39:20,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:20,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:39:20,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:39:20,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:20" (1/1) ... [2025-02-08 01:39:20,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dfb291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:20, skipping insertion in model container [2025-02-08 01:39:20,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:20" (1/1) ... [2025-02-08 01:39:20,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:39:20,523 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] [2025-02-08 01:39:20,529 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] [2025-02-08 01:39:20,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:20,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:20,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:20,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:20,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,003 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:21,512 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:39:21,521 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] [2025-02-08 01:39:21,522 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] [2025-02-08 01:39:21,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-08 01:39:21,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:21,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-08 01:39:21,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:21,812 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:39:21,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21 WrapperNode [2025-02-08 01:39:21,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:21,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:21,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:39:21,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:39:21,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:21,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:21,929 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2025-02-08 01:39:21,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:21,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:39:21,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:39:21,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:39:21,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:21,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:21,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,018 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 46, 6, 4, 5]. 46 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, 2, 0, 0]. [2025-02-08 01:39:22,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,056 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:39:22,077 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:39:22,078 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:39:22,078 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:39:22,078 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (1/1) ... [2025-02-08 01:39:22,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:22,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:22,104 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 01:39:22,106 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 01:39:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2025-02-08 01:39:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:39:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:39:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:39:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:39:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:39:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:39:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:39:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:39:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:39:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:39:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:39:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:39:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:39:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:39:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:39:22,375 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:39:22,378 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:39:22,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:39:22,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137-1: 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 01:39:22,466 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc #t~mem603#1;call #t~mem604#1 := read~int#4(~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#4(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:39:22,466 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#4(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#4(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:39:22,483 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:39:22,492 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-02-08 01:39:22,506 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:39:22,539 INFO L1324 $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; [2025-02-08 01:39:22,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8144: havoc #t~mem1032#1; [2025-02-08 01:39:22,577 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7333: havoc memcmp_safe_#t~nondet655#1; [2025-02-08 01:39:29,427 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2025-02-08 01:39:29,427 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:39:29,434 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:39:29,435 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:39:29,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:39:29 BoogieIcfgContainer [2025-02-08 01:39:29,435 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:39:29,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:39:29,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:39:29,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:39:29,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:39:20" (1/3) ... [2025-02-08 01:39:29,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159da8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:39:29, skipping insertion in model container [2025-02-08 01:39:29,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:21" (2/3) ... [2025-02-08 01:39:29,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159da8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:39:29, skipping insertion in model container [2025-02-08 01:39:29,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:39:29" (3/3) ... [2025-02-08 01:39:29,443 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2025-02-08 01:39:29,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:39:29,453 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lexical_harness.i that has 12 procedures, 145 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:39:29,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:39:29,502 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;@70cca39f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:39:29,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:39:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 86 states have (on average 1.2325581395348837) internal successors, (106), 88 states have internal predecessors, (106), 45 states have call successors, (45), 11 states have call predecessors, (45), 11 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 01:39:29,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 01:39:29,515 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:39:29,515 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] [2025-02-08 01:39:29,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:39:29,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:39:29,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1127002372, now seen corresponding path program 1 times [2025-02-08 01:39:29,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:39:29,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524247041] [2025-02-08 01:39:29,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:39:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:40:39,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 01:40:40,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 01:40:40,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:40:40,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:40:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-02-08 01:40:42,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:40:42,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524247041] [2025-02-08 01:40:42,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524247041] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:40:42,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978190600] [2025-02-08 01:40:42,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:40:42,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:40:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:40:42,770 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 01:40:42,774 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