./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-8fc3dc6-m [2025-03-17 07:25:41,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:25:41,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:25:41,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:25:41,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:25:41,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:25:41,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:25:41,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:25:41,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:25:41,540 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:25:41,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:25:41,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:25:41,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:25:41,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:25:41,540 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:25:41,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:25:41,541 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:25:41,541 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:25:41,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:25:41,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:25:41,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:25:41,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:25:41,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:25:41,543 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/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 [2025-03-17 07:25:41,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:25:41,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:25:41,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:25:41,861 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:25:41,861 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:25:41,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-03-17 07:25:43,147 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08cdd123/4bde1bee572340d890be0ab458f48fbd/FLAG738b2be6d [2025-03-17 07:25:43,577 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:25:43,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-03-17 07:25:43,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08cdd123/4bde1bee572340d890be0ab458f48fbd/FLAG738b2be6d [2025-03-17 07:25:43,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f08cdd123/4bde1bee572340d890be0ab458f48fbd [2025-03-17 07:25:43,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:25:43,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:25:43,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:25:43,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:25:43,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:25:43,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:25:43" (1/1) ... [2025-03-17 07:25:43,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ec3761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:43, skipping insertion in model container [2025-03-17 07:25:43,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:25:43" (1/1) ... [2025-03-17 07:25:43,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:25:43,849 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4499,4512] [2025-03-17 07:25:43,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4559,4572] [2025-03-17 07:25:44,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,319 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:25:44,944 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:25:44,955 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4499,4512] [2025-03-17 07:25:44,956 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4559,4572] [2025-03-17 07:25:44,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:44,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:45,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-17 07:25:45,120 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:45,120 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:45,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-17 07:25:45,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:25:45,337 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:25:45,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45 WrapperNode [2025-03-17 07:25:45,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:25:45,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:25:45,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:25:45,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:25:45,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,461 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-03-17 07:25:45,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:25:45,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:25:45,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:25:45,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:25:45,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,479 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,557 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 12, 238, 16, 5, 13]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 0, 6, 16, 5, 2]. The 493 writes are split as follows [0, 257, 3, 232, 0, 0, 1]. [2025-03-17 07:25:45,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,595 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:25:45,622 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:25:45,622 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:25:45,622 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:25:45,623 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (1/1) ... [2025-03-17 07:25:45,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:25:45,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:25:45,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:25:45,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:25:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:25:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:25:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:25:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:25:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:25:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:25:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:25:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:25:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:25:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:25:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:25:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:25:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:25:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 07:25:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:25:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:25:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:25:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:25:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:25:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:25:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:25:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:25:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:25:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:25:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:25:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:25:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:25:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:25:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:25:45,947 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:25:45,950 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:25:45,998 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:25:46,020 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:25:46,023 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:25:46,036 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-03-17 07:25:46,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:25:46,104 INFO L1322 $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; [2025-03-17 07:25:46,147 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-17 07:25:53,943 INFO L1322 $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; [2025-03-17 07:25:53,976 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-03-17 07:25:53,976 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:25:53,986 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:25:53,986 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:25:53,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:25:53 BoogieIcfgContainer [2025-03-17 07:25:53,989 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:25:53,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:25:53,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:25:53,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:25:53,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:25:43" (1/3) ... [2025-03-17 07:25:53,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39769d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:25:53, skipping insertion in model container [2025-03-17 07:25:53,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:45" (2/3) ... [2025-03-17 07:25:53,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39769d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:25:53, skipping insertion in model container [2025-03-17 07:25:53,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:25:53" (3/3) ... [2025-03-17 07:25:53,995 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2025-03-17 07:25:54,006 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:25:54,010 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. [2025-03-17 07:25:54,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:25:54,061 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;@7020fc92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:25:54,061 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:25:54,065 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) [2025-03-17 07:25:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 07:25:54,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:25:54,072 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] [2025-03-17 07:25:54,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:25:54,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:25:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1428746446, now seen corresponding path program 1 times [2025-03-17 07:25:54,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:25:54,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168575441] [2025-03-17 07:25:54,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:25:54,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:27:11,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 07:27:12,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 07:27:12,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:27:12,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:27:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 07:27:12,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:27:12,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168575441] [2025-03-17 07:27:12,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168575441] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:27:12,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916640787] [2025-03-17 07:27:12,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:27:12,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:27:12,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:27:12,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:27:12,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process