./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_byte_cursor_compare_lexical_harness_negated.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 c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:03:55,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:03:55,801 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:03:55,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:03:55,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:03:55,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:03:55,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:03:55,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:03:55,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:03:55,827 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:03:55,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:03:55,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:03:55,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:03:55,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:03:55,829 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:03:55,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:03:55,830 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:03:55,830 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:03:55,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:03:55,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:03:55,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:03:55,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:03:55,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:03:55,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:03:55,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:03:55,832 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 -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2025-03-17 07:03:56,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:03:56,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:03:56,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:03:56,067 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:03:56,067 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:03:56,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2025-03-17 07:03:57,207 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4afcad20/e7cabfe2bd664d0a8e36fca09c06f953/FLAG35e8a673f [2025-03-17 07:03:57,623 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:03:57,625 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2025-03-17 07:03:57,662 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4afcad20/e7cabfe2bd664d0a8e36fca09c06f953/FLAG35e8a673f [2025-03-17 07:03:57,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4afcad20/e7cabfe2bd664d0a8e36fca09c06f953 [2025-03-17 07:03:57,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:03:57,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:03:57,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:03:57,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:03:57,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:03:57,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:03:57" (1/1) ... [2025-03-17 07:03:57,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f04abf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:57, skipping insertion in model container [2025-03-17 07:03:57,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:03:57" (1/1) ... [2025-03-17 07:03:57,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:03:58,085 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_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2025-03-17 07:03:58,093 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_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2025-03-17 07:03:58,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,585 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:58,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:03:59,089 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:03:59,104 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_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2025-03-17 07:03:59,105 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_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2025-03-17 07:03:59,146 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,146 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-17 07:03:59,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:03:59,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-17 07:03:59,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:03:59,491 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:03:59,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59 WrapperNode [2025-03-17 07:03:59,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:03:59,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:03:59,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:03:59,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:03:59,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,611 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2025-03-17 07:03:59,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:03:59,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:03:59,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:03:59,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:03:59,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,685 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 6, 46, 4, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 2, 3, 0, 0]. [2025-03-17 07:03:59,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:03:59,746 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:03:59,746 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:03:59,746 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:03:59,746 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (1/1) ... [2025-03-17 07:03:59,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:03:59,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:03:59,773 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 07:03:59,776 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 07:03:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:03:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2025-03-17 07:03:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:03:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-17 07:03:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:03:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:03:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:03:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:03:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:03:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:03:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:03:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:03:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:03:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:03:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:03:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:03:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:03:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:04:00,041 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:04:00,043 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:04:00,079 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:04:00,114 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:04:00,132 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:04:00,139 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-03-17 07:04:00,155 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:04:00,184 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-17 07:04:00,219 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8112: havoc #t~mem1032#1; [2025-03-17 07:04:00,219 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7301: havoc memcmp_safe_#t~nondet655#1; [2025-03-17 07:04:07,042 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2025-03-17 07:04:07,042 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:04:07,052 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:04:07,053 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:04:07,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:07 BoogieIcfgContainer [2025-03-17 07:04:07,054 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:04:07,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:04:07,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:04:07,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:04:07,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:03:57" (1/3) ... [2025-03-17 07:04:07,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201d365d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:07, skipping insertion in model container [2025-03-17 07:04:07,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:59" (2/3) ... [2025-03-17 07:04:07,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201d365d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:07, skipping insertion in model container [2025-03-17 07:04:07,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:07" (3/3) ... [2025-03-17 07:04:07,062 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2025-03-17 07:04:07,073 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:04:07,074 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lexical_harness_negated.i that has 12 procedures, 147 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:04:07,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:04:07,126 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;@179179ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:04:07,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:04:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 88 states have (on average 1.2272727272727273) internal successors, (108), 89 states have internal predecessors, (108), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 07:04:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-17 07:04:07,136 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:04:07,137 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:04:07,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:04:07,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:04:07,141 INFO L85 PathProgramCache]: Analyzing trace with hash 613165372, now seen corresponding path program 1 times [2025-03-17 07:04:07,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:04:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18021526] [2025-03-17 07:04:07,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:04:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:05:16,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 07:05:17,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 07:05:17,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:05:17,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:05:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2025-03-17 07:05:17,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:05:17,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18021526] [2025-03-17 07:05:17,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18021526] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:05:17,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071262364] [2025-03-17 07:05:17,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:05:17,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:05:17,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:05:17,791 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 07:05:17,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process