./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 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_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-?-c00e63d-m [2025-02-06 05:04:35,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:04:35,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:04:35,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:04:35,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:04:36,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:04:36,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:04:36,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:04:36,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:04:36,009 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:04:36,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:04:36,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:04:36,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:04:36,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:04:36,010 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:04:36,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:04:36,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:04:36,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:04:36,012 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:04:36,012 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:04:36,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:04:36,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:04:36,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:04:36,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:04:36,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:04:36,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:04:36,013 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:04:36,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:04:36,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:04:36,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:04:36,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:04:36,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:04:36,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:04:36,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:04:36,014 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 [2025-02-06 05:04:36,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:04:36,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:04:36,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:04:36,296 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:04:36,296 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:04:36,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-02-06 05:04:37,694 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ed11bea27/dcaa472c01c84dd0817094d884627af0/FLAG097a99869 [2025-02-06 05:04:38,226 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:04:38,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-02-06 05:04:38,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ed11bea27/dcaa472c01c84dd0817094d884627af0/FLAG097a99869 [2025-02-06 05:04:38,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ed11bea27/dcaa472c01c84dd0817094d884627af0 [2025-02-06 05:04:38,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:04:38,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:04:38,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:04:38,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:04:38,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:04:38,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:04:38" (1/1) ... [2025-02-06 05:04:38,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755a91b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:38, skipping insertion in model container [2025-02-06 05:04:38,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:04:38" (1/1) ... [2025-02-06 05:04:38,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:04:38,608 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] [2025-02-06 05:04:38,616 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] [2025-02-06 05:04:39,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:04:39,812 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:04:39,828 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] [2025-02-06 05:04:39,828 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] [2025-02-06 05:04:39,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,882 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:39,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-06 05:04:39,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:40,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:40,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-06 05:04:40,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:04:40,255 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:04:40,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40 WrapperNode [2025-02-06 05:04:40,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:04:40,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:04:40,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:04:40,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:04:40,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,415 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-02-06 05:04:40,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:04:40,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:04:40,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:04:40,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:04:40,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,522 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 38, 238, 4, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 4, 6, 0, 0, 5]. The 494 writes are split as follows [0, 257, 3, 232, 0, 2, 0]. [2025-02-06 05:04:40,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:04:40,599 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:04:40,599 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:04:40,599 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:04:40,600 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (1/1) ... [2025-02-06 05:04:40,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:04:40,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:04:40,630 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 05:04:40,634 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 05:04:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:04:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:04:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:04:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-06 05:04:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:04:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 05:04:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:04:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:04:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:04:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:04:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:04:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:04:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:04:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:04:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:04:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:04:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-06 05:04:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:04:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:04:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:04:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:04:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:04:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:04:40,937 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:04:40,940 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:04:40,969 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:04:40,999 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:04:41,012 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:04:41,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7695: havoc #t~nondet818; [2025-02-06 05:04:41,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-02-06 05:04:41,043 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:04:41,085 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 05:04:48,907 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-02-06 05:04:48,908 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:04:48,918 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:04:48,918 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:04:48,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:04:48 BoogieIcfgContainer [2025-02-06 05:04:48,919 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:04:48,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:04:48,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:04:48,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:04:48,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:04:38" (1/3) ... [2025-02-06 05:04:48,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a94a2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:04:48, skipping insertion in model container [2025-02-06 05:04:48,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:40" (2/3) ... [2025-02-06 05:04:48,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a94a2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:04:48, skipping insertion in model container [2025-02-06 05:04:48,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:04:48" (3/3) ... [2025-02-06 05:04:48,929 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2025-02-06 05:04:48,946 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:04:48,948 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness_negated.i that has 12 procedures, 134 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:04:48,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:04:49,010 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;@263d9a8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:04:49,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:04:49,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 05:04:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 05:04:49,024 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:04:49,025 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, 1] [2025-02-06 05:04:49,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:04:49,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:04:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 185412092, now seen corresponding path program 1 times [2025-02-06 05:04:49,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:04:49,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524987284] [2025-02-06 05:04:49,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:04:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:05:57,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 05:05:58,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 05:05:58,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:05:58,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:05:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-02-06 05:05:59,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:05:59,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524987284] [2025-02-06 05:05:59,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524987284] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:05:59,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28279892] [2025-02-06 05:05:59,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:05:59,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:05:59,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:05:59,327 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 05:05:59,330 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