./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 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_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-?-48c9605-m [2025-02-08 02:01:04,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:01:04,458 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:01:04,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:01:04,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:01:04,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:01:04,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:01:04,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:01:04,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:01:04,480 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:01:04,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:01:04,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:01:04,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:01:04,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:01:04,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:01:04,482 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:01:04,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:01:04,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:01:04,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:01:04,483 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 [2025-02-08 02:01:04,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:01:04,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:01:04,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:01:04,702 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:01:04,702 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:01:04,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-02-08 02:01:05,877 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f262396c/245b34a1be23466f8dab8ce850afd982/FLAG68e8c0a4a [2025-02-08 02:01:06,371 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:01:06,371 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-02-08 02:01:06,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f262396c/245b34a1be23466f8dab8ce850afd982/FLAG68e8c0a4a [2025-02-08 02:01:06,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f262396c/245b34a1be23466f8dab8ce850afd982 [2025-02-08 02:01:06,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:01:06,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:01:06,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:01:06,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:01:06,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:01:06,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:01:06" (1/1) ... [2025-02-08 02:01:06,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dd2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:06, skipping insertion in model container [2025-02-08 02:01:06,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:01:06" (1/1) ... [2025-02-08 02:01:06,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:01:06,703 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] [2025-02-08 02:01:06,712 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] [2025-02-08 02:01:07,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:01:07,794 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:01:07,808 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] [2025-02-08 02:01:07,809 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] [2025-02-08 02:01:07,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-08 02:01:07,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:01:07,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-08 02:01:07,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:01:08,139 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:01:08,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08 WrapperNode [2025-02-08 02:01:08,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:01:08,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:01:08,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:01:08,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:01:08,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,234 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-02-08 02:01:08,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:01:08,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:01:08,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:01:08,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:01:08,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,313 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 12, 5, 257, 238, 16, 13]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 0, 6, 16, 2]. The 493 writes are split as follows [0, 3, 0, 257, 232, 0, 1]. [2025-02-08 02:01:08,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:01:08,348 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:01:08,348 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:01:08,348 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:01:08,349 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (1/1) ... [2025-02-08 02:01:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:01:08,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:01:08,388 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 02:01:08,392 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 02:01:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:01:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:01:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 02:01:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 02:01:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:01:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:01:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:01:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:01:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:01:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:01:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:01:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:01:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 02:01:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:01:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:01:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:01:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:01:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:01:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:01:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:01:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 02:01:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 02:01:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:01:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:01:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:01:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:01:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 02:01:08,635 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:01:08,637 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:01:08,675 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:01:08,695 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:01:08,698 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:01:08,718 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2025-02-08 02:01:08,730 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:01:08,761 INFO L1324 $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; [2025-02-08 02:01:08,788 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 02:01:15,784 INFO L1324 $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; [2025-02-08 02:01:15,804 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-02-08 02:01:15,805 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:01:15,815 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:01:15,815 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:01:15,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:01:15 BoogieIcfgContainer [2025-02-08 02:01:15,816 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:01:15,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:01:15,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:01:15,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:01:15,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:01:06" (1/3) ... [2025-02-08 02:01:15,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ad20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:01:15, skipping insertion in model container [2025-02-08 02:01:15,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:01:08" (2/3) ... [2025-02-08 02:01:15,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ad20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:01:15, skipping insertion in model container [2025-02-08 02:01:15,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:01:15" (3/3) ... [2025-02-08 02:01:15,822 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2025-02-08 02:01:15,831 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:01:15,834 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness_negated.i that has 11 procedures, 118 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 02:01:15,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:01:15,901 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;@cb052fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:01:15,902 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:01:15,904 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 02:01:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 02:01:15,910 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:01:15,910 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 02:01:15,911 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:01:15,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:01:15,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1428746446, now seen corresponding path program 1 times [2025-02-08 02:01:15,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:01:15,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967950846] [2025-02-08 02:01:15,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:01:15,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:02:23,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 02:02:24,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 02:02:24,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:02:24,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:02:25,167 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 02:02:25,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:02:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967950846] [2025-02-08 02:02:25,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967950846] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:02:25,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210016485] [2025-02-08 02:02:25,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:02:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:02:25,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:02:25,175 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 02:02:25,231 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