./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_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 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:25:43,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:25:43,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:25:43,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:25:43,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:25:43,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:25:43,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:25:43,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:25:43,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:25:43,858 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:25:43,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:25:43,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:25:43,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:25:43,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:25:43,859 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:25:43,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:25:43,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:25:43,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:25:43,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:25:43,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:25:43,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:25:43,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:25:43,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:25:43,862 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:25:43,862 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:25:43,862 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:25:43,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:25:43,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:25:43,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:25:43,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:25:43,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:25:43,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:25:43,863 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 -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2025-02-06 05:25:44,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:25:44,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:25:44,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:25:44,158 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:25:44,158 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:25:44,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-02-06 05:25:45,537 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e496be8f3/cd78479bac224928a87424e06a70eeb3/FLAG3e4ad9301 [2025-02-06 05:25:46,151 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:25:46,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-02-06 05:25:46,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e496be8f3/cd78479bac224928a87424e06a70eeb3/FLAG3e4ad9301 [2025-02-06 05:25:46,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e496be8f3/cd78479bac224928a87424e06a70eeb3 [2025-02-06 05:25:46,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:25:46,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:25:46,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:25:46,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:25:46,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:25:46,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:25:46" (1/1) ... [2025-02-06 05:25:46,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e72001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:46, skipping insertion in model container [2025-02-06 05:25:46,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:25:46" (1/1) ... [2025-02-06 05:25:46,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:25:46,608 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_negated.i[4499,4512] [2025-02-06 05:25:46,616 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_negated.i[4559,4572] [2025-02-06 05:25:47,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,719 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:47,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:25:48,666 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:25:48,684 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_negated.i[4499,4512] [2025-02-06 05:25:48,684 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_negated.i[4559,4572] [2025-02-06 05:25:48,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,733 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-06 05:25:48,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:48,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-06 05:25:48,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:25:49,167 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:25:49,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49 WrapperNode [2025-02-06 05:25:49,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:25:49,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:25:49,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:25:49,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:25:49,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,351 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-02-06 05:25:49,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:25:49,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:25:49,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:25:49,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:25:49,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,468 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 13, 257, 12, 238, 16, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 0, 0, 6, 16, 5]. The 493 writes are split as follows [0, 1, 257, 3, 232, 0, 0]. [2025-02-06 05:25:49,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,523 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:25:49,560 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:25:49,560 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:25:49,560 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:25:49,561 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (1/1) ... [2025-02-06 05:25:49,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:25:49,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:49,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:25:49,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:25:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:25:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:25:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:25:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:25:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:25:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:25:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:25:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:25:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:25:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:25:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:25:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:25:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:25:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-06 05:25:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:25:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:25:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:25:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:25:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:25:49,964 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:25:49,966 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:25:49,996 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:25:50,020 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-06 05:25:50,022 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:25:50,039 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2025-02-06 05:25:50,062 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:25:50,088 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: 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; [2025-02-06 05:25:50,135 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-06 05:25:58,273 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9315: 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; [2025-02-06 05:25:58,308 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-02-06 05:25:58,308 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:25:58,319 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:25:58,319 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:25:58,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:25:58 BoogieIcfgContainer [2025-02-06 05:25:58,322 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:25:58,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:25:58,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:25:58,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:25:58,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:25:46" (1/3) ... [2025-02-06 05:25:58,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b9df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:25:58, skipping insertion in model container [2025-02-06 05:25:58,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:49" (2/3) ... [2025-02-06 05:25:58,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b9df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:25:58, skipping insertion in model container [2025-02-06 05:25:58,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:25:58" (3/3) ... [2025-02-06 05:25:58,333 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2025-02-06 05:25:58,345 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:25:58,349 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness_negated.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:25:58,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:25:58,405 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;@58f5aed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:25:58,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:25:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 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) [2025-02-06 05:25:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 05:25:58,417 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:25:58,418 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, 1, 1] [2025-02-06 05:25:58,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:25:58,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:25:58,423 INFO L85 PathProgramCache]: Analyzing trace with hash -456262206, now seen corresponding path program 1 times [2025-02-06 05:25:58,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:25:58,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011223970] [2025-02-06 05:25:58,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:27:00,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 05:27:01,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 05:27:01,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:27:01,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:27:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 05:27:04,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:27:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011223970] [2025-02-06 05:27:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011223970] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:27:04,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212235248] [2025-02-06 05:27:04,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:27:04,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:27:04,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:27:04,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:27:04,342 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