./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:03:16,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:03:16,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:03:16,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:03:16,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:03:16,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:03:16,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:03:16,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:03:16,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:03:16,912 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:03:16,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:03:16,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:03:16,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:03:16,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:03:16,913 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:03:16,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:03:16,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:03:16,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:03:16,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:03:16,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:03:16,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:03:16,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:03:16,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:03:16,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:03:16,915 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:03:16,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:03:16,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:03:16,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:03:16,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:03:16,916 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:03:16,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:03:16,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:03:16,916 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 -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2025-02-06 05:03:17,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:03:17,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:03:17,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:03:17,139 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:03:17,139 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:03:17,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-02-06 05:03:18,389 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e721498ea/db38ac24935a45cca77cc86d106f85b5/FLAG39674ffc5 [2025-02-06 05:03:18,892 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:03:18,892 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-02-06 05:03:18,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e721498ea/db38ac24935a45cca77cc86d106f85b5/FLAG39674ffc5 [2025-02-06 05:03:18,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e721498ea/db38ac24935a45cca77cc86d106f85b5 [2025-02-06 05:03:18,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:03:18,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:03:18,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:03:18,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:03:18,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:03:18,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:03:18" (1/1) ... [2025-02-06 05:03:18,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7bd285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:18, skipping insertion in model container [2025-02-06 05:03:18,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:03:18" (1/1) ... [2025-02-06 05:03:19,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:03:19,235 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_byte_cursor_compare_lookup_harness_negated.i[4504,4517] [2025-02-06 05:03:19,243 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_byte_cursor_compare_lookup_harness_negated.i[4564,4577] [2025-02-06 05:03:19,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,702 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,717 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,720 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:19,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:03:20,252 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:03:20,264 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_byte_cursor_compare_lookup_harness_negated.i[4504,4517] [2025-02-06 05:03:20,268 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_byte_cursor_compare_lookup_harness_negated.i[4564,4577] [2025-02-06 05:03:20,305 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,315 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-06 05:03:20,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:03:20,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-06 05:03:20,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:03:20,621 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:03:20,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20 WrapperNode [2025-02-06 05:03:20,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:03:20,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:03:20,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:03:20,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:03:20,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,819 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-02-06 05:03:20,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:03:20,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:03:20,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:03:20,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:03:20,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,886 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 2, 6, 34, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0, 0]. [2025-02-06 05:03:20,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:03:20,918 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:03:20,918 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:03:20,918 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:03:20,918 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (1/1) ... [2025-02-06 05:03:20,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:03:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:03:20,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:03:20,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:03:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:03:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:03:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:03:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-06 05:03:20,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-06 05:03:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:03:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 05:03:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:03:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:03:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:03:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 05:03:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:03:20,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:03:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:03:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:03:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 05:03:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:03:20,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:03:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-02-06 05:03:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-02-06 05:03:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:03:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:03:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:03:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:03:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:03:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:03:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:03:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 05:03:21,202 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:03:21,204 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:03:21,240 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:03:21,276 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:03:21,293 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-02-06 05:03:21,309 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:03:21,336 INFO L1309 $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; [2025-02-06 05:03:28,356 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-06 05:03:28,356 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:03:28,364 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:03:28,364 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:03:28,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:03:28 BoogieIcfgContainer [2025-02-06 05:03:28,365 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:03:28,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:03:28,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:03:28,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:03:28,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:03:18" (1/3) ... [2025-02-06 05:03:28,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2b905d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:03:28, skipping insertion in model container [2025-02-06 05:03:28,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:03:20" (2/3) ... [2025-02-06 05:03:28,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2b905d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:03:28, skipping insertion in model container [2025-02-06 05:03:28,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:03:28" (3/3) ... [2025-02-06 05:03:28,371 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2025-02-06 05:03:28,381 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:03:28,383 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness_negated.i that has 11 procedures, 133 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 05:03:28,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:03:28,437 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;@2a3e2138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:03:28,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:03:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-06 05:03:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 05:03:28,454 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:03:28,454 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-02-06 05:03:28,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:03:28,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:03:28,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1109241577, now seen corresponding path program 1 times [2025-02-06 05:03:28,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:03:28,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356377051] [2025-02-06 05:03:28,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:03:28,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:04:34,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 05:04:35,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 05:04:35,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:04:35,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:04:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-06 05:04:36,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:04:36,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356377051] [2025-02-06 05:04:36,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356377051] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:04:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203640718] [2025-02-06 05:04:36,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:04:36,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:04:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:04:36,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:04:36,105 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