./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:41:06,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:41:06,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:41:06,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:41:06,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:41:06,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:41:06,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:41:06,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:41:06,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:41:06,131 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:41:06,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:41:06,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:41:06,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:41:06,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:41:06,132 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:41:06,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:41:06,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:41:06,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:41:06,133 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:41:06,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:41:06,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:41:06,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:41:06,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:41:06,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:41:06,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:41:06,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:41:06,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:41:06,135 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 -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2025-02-08 01:41:06,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:41:06,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:41:06,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:41:06,359 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:41:06,359 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:41:06,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-02-08 01:41:07,508 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/172382de9/3aae9d6379ed4d3b91719e4157a49af3/FLAG501943dc6 [2025-02-08 01:41:07,982 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:41:07,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-02-08 01:41:08,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/172382de9/3aae9d6379ed4d3b91719e4157a49af3/FLAG501943dc6 [2025-02-08 01:41:08,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/172382de9/3aae9d6379ed4d3b91719e4157a49af3 [2025-02-08 01:41:08,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:41:08,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:41:08,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:41:08,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:41:08,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:41:08,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:41:08" (1/1) ... [2025-02-08 01:41:08,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60475603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:08, skipping insertion in model container [2025-02-08 01:41:08,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:41:08" (1/1) ... [2025-02-08 01:41:08,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:41:08,357 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_eq_harness_negated.i[4492,4505] [2025-02-08 01:41:08,364 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_eq_harness_negated.i[4552,4565] [2025-02-08 01:41:08,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:41:09,317 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:41:09,325 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_eq_harness_negated.i[4492,4505] [2025-02-08 01:41:09,326 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_eq_harness_negated.i[4552,4565] [2025-02-08 01:41:09,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-08 01:41:09,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-08 01:41:09,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:41:09,640 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:41:09,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09 WrapperNode [2025-02-08 01:41:09,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:41:09,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:41:09,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:41:09,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:41:09,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,747 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-02-08 01:41:09,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:41:09,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:41:09,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:41:09,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:41:09,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,812 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 38, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0]. [2025-02-08 01:41:09,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:41:09,856 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:41:09,856 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:41:09,856 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:41:09,856 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:41:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:41:09,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:41:09,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:41:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:41:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:41:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:41:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:41:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:41:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:41:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:41:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-08 01:41:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:41:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:41:09,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:41:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:41:09,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:41:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:41:09,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:41:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:41:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:41:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 01:41:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:41:09,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:41:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:41:09,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:41:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:41:10,142 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:41:10,144 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:41:10,197 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:41:10,229 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#4(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#4(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:41:10,233 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if #t~mem603#1 % 18446744073709551616 < ~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:41:10,233 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc #t~mem603#1;call #t~mem604#1 := read~int#4(~storage#1.base, ~storage#1.offset, 8);call #t~mem605#1 := read~int#3(~array#1.base, ~array#1.offset + (if #t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then #t~mem604#1 % 18446744073709551616 % 18446744073709551616 else #t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#4(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:41:10,253 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:41:10,265 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7695: havoc #t~nondet818; [2025-02-08 01:41:10,271 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-02-08 01:41:10,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:41:10,310 INFO L1324 $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; [2025-02-08 01:41:17,323 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2025-02-08 01:41:17,324 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:41:17,330 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:41:17,331 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:41:17,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:41:17 BoogieIcfgContainer [2025-02-08 01:41:17,331 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:41:17,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:41:17,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:41:17,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:41:17,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:41:08" (1/3) ... [2025-02-08 01:41:17,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f12d9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:41:17, skipping insertion in model container [2025-02-08 01:41:17,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (2/3) ... [2025-02-08 01:41:17,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f12d9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:41:17, skipping insertion in model container [2025-02-08 01:41:17,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:41:17" (3/3) ... [2025-02-08 01:41:17,337 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2025-02-08 01:41:17,346 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:41:17,348 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness_negated.i that has 12 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:41:17,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:41:17,426 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;@58fd1580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:41:17,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:41:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 77 states have internal predecessors, (94), 39 states have call successors, (39), 11 states have call predecessors, (39), 11 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 01:41:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 01:41:17,438 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:41:17,439 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-02-08 01:41:17,439 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:41:17,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:41:17,442 INFO L85 PathProgramCache]: Analyzing trace with hash -868093217, now seen corresponding path program 1 times [2025-02-08 01:41:17,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:41:17,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839931716] [2025-02-08 01:41:17,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:41:17,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:42:26,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 01:42:27,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 01:42:27,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:42:27,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:42:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-02-08 01:42:27,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:42:27,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839931716] [2025-02-08 01:42:27,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839931716] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:42:27,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307570998] [2025-02-08 01:42:27,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:42:27,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:42:27,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:42:27,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:42:27,978 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