./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_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_string_eq_byte_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 02:00:54,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:00:54,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:00:54,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:00:54,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:00:54,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:00:54,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:00:54,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:00:54,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:00:54,484 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:00:54,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:00:54,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:00:54,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:00:54,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:00:54,485 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:00:54,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:00:54,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:00:54,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:00:54,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:00:54,488 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:00:54,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:54,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:00:54,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:00:54,489 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 -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2025-02-08 02:00:54,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:00:54,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:00:54,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:00:54,798 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:00:54,798 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:00:54,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-02-08 02:00:56,074 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff17239cc/7459a3ceffa34023b3af29a93dcb97f5/FLAG43775c267 [2025-02-08 02:00:56,603 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:00:56,603 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-02-08 02:00:56,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff17239cc/7459a3ceffa34023b3af29a93dcb97f5/FLAG43775c267 [2025-02-08 02:00:56,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ff17239cc/7459a3ceffa34023b3af29a93dcb97f5 [2025-02-08 02:00:56,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:00:56,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:00:56,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:56,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:00:56,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:00:56,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:56" (1/1) ... [2025-02-08 02:00:56,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58686f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:56, skipping insertion in model container [2025-02-08 02:00:56,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:56" (1/1) ... [2025-02-08 02:00:56,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:00:56,981 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_string_eq_byte_cursor_harness.i[4499,4512] [2025-02-08 02:00:56,990 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_string_eq_byte_cursor_harness.i[4559,4572] [2025-02-08 02:00:57,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:57,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:58,462 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:00:58,476 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_string_eq_byte_cursor_harness.i[4499,4512] [2025-02-08 02:00:58,480 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_string_eq_byte_cursor_harness.i[4559,4572] [2025-02-08 02:00:58,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,545 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-02-08 02:00:58,657 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,658 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:58,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-02-08 02:00:58,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:58,989 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:00:58,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58 WrapperNode [2025-02-08 02:00:58,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:58,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:58,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:00:58,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:00:58,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,173 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-02-08 02:00:59,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:59,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:00:59,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:00:59,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:00:59,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,267 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 238, 13, 16, 5, 12]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 6, 2, 16, 5, 0]. The 493 writes are split as follows [0, 257, 232, 1, 0, 0, 3]. [2025-02-08 02:00:59,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,304 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:00:59,340 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:00:59,340 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:00:59,340 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:00:59,341 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (1/1) ... [2025-02-08 02:00:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:59,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:59,375 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 02:00:59,386 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 02:00:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:00:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:00:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 02:00:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:00:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:00:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 02:00:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:00:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:00:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:00:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:00:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:00:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 02:00:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 02:00:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 02:00:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 02:00:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 02:00:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 02:00:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 02:00:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 02:00:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:00:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:00:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 02:00:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:00:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:00:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:00:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:00:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:00:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:00:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 02:00:59,764 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:00:59,767 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:00:59,820 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:00:59,861 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:00:59,865 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:00:59,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-02-08 02:00:59,911 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:00:59,942 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-02-08 02:00:59,966 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 02:01:08,015 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9349: havoc aws_string_eq_byte_cursor_#t~mem1302#1;havoc aws_string_eq_byte_cursor_#t~mem1303#1.base, aws_string_eq_byte_cursor_#t~mem1303#1.offset;havoc aws_string_eq_byte_cursor_#t~mem1304#1;havoc aws_string_eq_byte_cursor_#t~ret1305#1; [2025-02-08 02:01:08,042 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-02-08 02:01:08,042 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:01:08,050 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:01:08,051 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:01:08,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:01:08 BoogieIcfgContainer [2025-02-08 02:01:08,051 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:01:08,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:01:08,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:01:08,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:01:08,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:00:56" (1/3) ... [2025-02-08 02:01:08,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3966da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:01:08, skipping insertion in model container [2025-02-08 02:01:08,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:58" (2/3) ... [2025-02-08 02:01:08,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3966da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:01:08, skipping insertion in model container [2025-02-08 02:01:08,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:01:08" (3/3) ... [2025-02-08 02:01:08,059 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2025-02-08 02:01:08,071 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:01:08,074 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness.i that has 11 procedures, 118 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 02:01:08,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:01:08,135 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;@39ad9e64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:01:08,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:01:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 78 states have internal predecessors, (100), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-08 02:01:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 02:01:08,150 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:01:08,150 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2025-02-08 02:01:08,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:01:08,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:01:08,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1428746446, now seen corresponding path program 1 times [2025-02-08 02:01:08,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:01:08,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133167484] [2025-02-08 02:01:08,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:01:08,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:02:15,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 02:02:16,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 02:02:16,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:02:16,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:02:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 02:02:17,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:02:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133167484] [2025-02-08 02:02:17,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133167484] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:02:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184467819] [2025-02-08 02:02:17,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:02:17,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:02:17,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:02:17,579 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 02:02:17,580 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