./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:39:25,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:39:25,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:39:25,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:39:25,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:39:25,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:39:25,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:39:25,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:39:25,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:39:25,280 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:39:25,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:39:25,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:39:25,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:39:25,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:39:25,282 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:25,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:39:25,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:39:25,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:39:25,283 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 -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2025-02-08 01:39:25,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:39:25,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:39:25,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:39:25,575 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:39:25,575 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:39:25,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2025-02-08 01:39:26,847 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed418050/135f99043b6146b99dc42fc184051f84/FLAGfb039c048 [2025-02-08 01:39:27,379 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:39:27,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2025-02-08 01:39:27,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed418050/135f99043b6146b99dc42fc184051f84/FLAGfb039c048 [2025-02-08 01:39:27,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ed418050/135f99043b6146b99dc42fc184051f84 [2025-02-08 01:39:27,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:39:27,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:39:27,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:27,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:39:27,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:39:27,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:27" (1/1) ... [2025-02-08 01:39:27,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebdb406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:27, skipping insertion in model container [2025-02-08 01:39:27,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:27" (1/1) ... [2025-02-08 01:39:27,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:39:27,724 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_negated.i[4505,4518] [2025-02-08 01:39:27,731 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_negated.i[4565,4578] [2025-02-08 01:39:28,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:28,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:29,109 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:39:29,126 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_negated.i[4505,4518] [2025-02-08 01:39:29,127 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_negated.i[4565,4578] [2025-02-08 01:39:29,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,183 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-08 01:39:29,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:29,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-08 01:39:29,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:29,580 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:39:29,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29 WrapperNode [2025-02-08 01:39:29,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:29,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:29,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:39:29,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:39:29,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,735 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2025-02-08 01:39:29,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:29,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:39:29,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:39:29,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:39:29,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,829 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 46, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3, 0]. [2025-02-08 01:39:29,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,874 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:39:29,907 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:39:29,907 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:39:29,907 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:39:29,908 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (1/1) ... [2025-02-08 01:39:29,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:29,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:29,960 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 01:39:29,963 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 01:39:29,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2025-02-08 01:39:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2025-02-08 01:39:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:39:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:39:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:39:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:39:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:39:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:39:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:39:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:39:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:39:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:39:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:39:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:39:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:39:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:39:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:39:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:39:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:39:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:39:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:39:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:39:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:39:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:39:30,275 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:39:30,277 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:39:30,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:39:30,371 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#3(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#3(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:39:30,372 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if #t~mem603#1 % 18446744073709551616 < ~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:39:30,372 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc #t~mem603#1;call #t~mem604#1 := read~int#3(~storage#1.base, ~storage#1.offset, 8);call #t~mem605#1 := read~int#4(~array#1.base, ~array#1.offset + (if #t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then #t~mem604#1 % 18446744073709551616 % 18446744073709551616 else #t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#3(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:39:30,390 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:39:30,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-02-08 01:39:30,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:39:30,451 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-02-08 01:39:30,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8112: havoc #t~mem1032#1; [2025-02-08 01:39:30,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7301: havoc memcmp_safe_#t~nondet655#1; [2025-02-08 01:39:38,157 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2025-02-08 01:39:38,158 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:39:38,167 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:39:38,167 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:39:38,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:39:38 BoogieIcfgContainer [2025-02-08 01:39:38,168 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:39:38,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:39:38,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:39:38,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:39:38,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:39:27" (1/3) ... [2025-02-08 01:39:38,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f09a9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:39:38, skipping insertion in model container [2025-02-08 01:39:38,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:29" (2/3) ... [2025-02-08 01:39:38,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f09a9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:39:38, skipping insertion in model container [2025-02-08 01:39:38,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:39:38" (3/3) ... [2025-02-08 01:39:38,177 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2025-02-08 01:39:38,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:39:38,194 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lexical_harness_negated.i that has 12 procedures, 145 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:39:38,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:39:38,263 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;@75a09d61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:39:38,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:39:38,268 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 01:39:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 01:39:38,277 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:39:38,278 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 01:39:38,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:39:38,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:39:38,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1127002372, now seen corresponding path program 1 times [2025-02-08 01:39:38,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:39:38,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223060347] [2025-02-08 01:39:38,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:39:38,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:40:45,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 01:40:46,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 01:40:46,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:40:46,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:40:49,327 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 01:40:49,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:40:49,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223060347] [2025-02-08 01:40:49,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223060347] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:40:49,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446117680] [2025-02-08 01:40:49,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:40:49,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:40:49,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:40:49,332 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 01:40:49,333 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