./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:30:54,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:30:55,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:30:55,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:30:55,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:30:55,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:30:55,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:30:55,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:30:55,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:30:55,058 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:30:55,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:30:55,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:30:55,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:30:55,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:30:55,059 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:30:55,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:30:55,060 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:30:55,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:30:55,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:30:55,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:55,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:30:55,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:30:55,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:30:55,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:30:55,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:55,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:30:55,062 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2025-01-09 17:30:55,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:30:55,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:30:55,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:30:55,303 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:30:55,303 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:30:55,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-01-09 17:30:56,418 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6d1e9cc3/0dc58e18e5a840a3aa4b77944a09bb7e/FLAG53b83ab7d [2025-01-09 17:30:56,896 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:30:56,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-01-09 17:30:56,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6d1e9cc3/0dc58e18e5a840a3aa4b77944a09bb7e/FLAG53b83ab7d [2025-01-09 17:30:56,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6d1e9cc3/0dc58e18e5a840a3aa4b77944a09bb7e [2025-01-09 17:30:56,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:30:56,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:30:56,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:30:56,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:30:56,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:30:56,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:30:56" (1/1) ... [2025-01-09 17:30:56,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b308837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:56, skipping insertion in model container [2025-01-09 17:30:56,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:30:56" (1/1) ... [2025-01-09 17:30:57,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:30:57,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4499,4512] [2025-01-09 17:30:57,210 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4559,4572] [2025-01-09 17:30:57,666 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:57,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:30:58,182 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:30:58,190 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4499,4512] [2025-01-09 17:30:58,190 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i[4559,4572] [2025-01-09 17:30:58,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-01-09 17:30:58,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:58,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-01-09 17:30:58,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:30:58,540 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:30:58,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58 WrapperNode [2025-01-09 17:30:58,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:30:58,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:30:58,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:30:58,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:30:58,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,641 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-01-09 17:30:58,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:30:58,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:30:58,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:30:58,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:30:58,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,707 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 13, 12, 5, 257, 238, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 0, 5, 0, 6, 16]. The 493 writes are split as follows [0, 1, 3, 0, 257, 232, 0]. [2025-01-09 17:30:58,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:30:58,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:30:58,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:30:58,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:30:58,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (1/1) ... [2025-01-09 17:30:58,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:30:58,801 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) [2025-01-09 17:30:58,806 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 [2025-01-09 17:30:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:30:58,818 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:30:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:30:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:30:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:30:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:30:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:30:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:30:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:30:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:30:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:30:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:30:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:30:58,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:30:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:30:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:30:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:30:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:30:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:30:59,042 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:30:59,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:31:05,941 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-01-09 17:31:05,941 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:31:05,951 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:31:05,953 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:31:05,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:31:05 BoogieIcfgContainer [2025-01-09 17:31:05,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:31:05,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:31:05,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:31:05,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:31:05,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:30:56" (1/3) ... [2025-01-09 17:31:05,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b6e497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:31:05, skipping insertion in model container [2025-01-09 17:31:05,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:58" (2/3) ... [2025-01-09 17:31:05,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b6e497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:31:05, skipping insertion in model container [2025-01-09 17:31:05,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:31:05" (3/3) ... [2025-01-09 17:31:05,962 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2025-01-09 17:31:05,974 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:31:05,976 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:31:06,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:31:06,028 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;@237fef0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:31:06,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:31:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-09 17:31:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-09 17:31:06,036 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:31:06,036 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:31:06,036 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:31:06,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:31:06,039 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2025-01-09 17:31:06,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:31:06,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998360062] [2025-01-09 17:31:06,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:31:06,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:32:12,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-09 17:32:13,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-09 17:32:13,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:32:13,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:32:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-09 17:32:15,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:32:15,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998360062] [2025-01-09 17:32:15,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998360062] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:32:15,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431077922] [2025-01-09 17:32:15,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:32:15,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:32:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:32:15,081 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) [2025-01-09 17:32:15,082 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