./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:18:37,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:18:37,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:18:37,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:18:37,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:18:37,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:18:37,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:18:37,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:18:37,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:18:37,448 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:18:37,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:18:37,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:18:37,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:18:37,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:18:37,449 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:18:37,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:18:37,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:18:37,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:18:37,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:18:37,450 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:18:37,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:18:37,450 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2025-03-08 18:18:37,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:18:37,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:18:37,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:18:37,684 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:18:37,684 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:18:37,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-03-08 18:18:38,801 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c52fe837/79699ed8d4cb465dab5c8206ce5877c5/FLAG20bc0d207 [2025-03-08 18:18:39,319 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:18:39,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-03-08 18:18:39,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c52fe837/79699ed8d4cb465dab5c8206ce5877c5/FLAG20bc0d207 [2025-03-08 18:18:39,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c52fe837/79699ed8d4cb465dab5c8206ce5877c5 [2025-03-08 18:18:39,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:18:39,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:18:39,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:18:39,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:18:39,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:18:39,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:18:39" (1/1) ... [2025-03-08 18:18:39,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da30404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:39, skipping insertion in model container [2025-03-08 18:18:39,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:18:39" (1/1) ... [2025-03-08 18:18:39,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:18:40,156 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4499,4512] [2025-03-08 18:18:40,163 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4559,4572] [2025-03-08 18:18:40,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:40,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,290 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:18:41,412 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:18:41,423 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4499,4512] [2025-03-08 18:18:41,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4559,4572] [2025-03-08 18:18:41,486 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-03-08 18:18:41,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:18:41,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-03-08 18:18:41,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:18:41,745 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:18:41,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41 WrapperNode [2025-03-08 18:18:41,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:18:41,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:18:41,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:18:41,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:18:41,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,879 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-03-08 18:18:41,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:18:41,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:18:41,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:18:41,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:18:41,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,951 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 12, 257, 238, 5, 16, 13]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 0, 6, 5, 16, 2]. The 493 writes are split as follows [0, 3, 257, 232, 0, 0, 1]. [2025-03-08 18:18:41,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:41,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:42,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:18:42,002 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:18:42,002 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:18:42,002 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:18:42,002 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (1/1) ... [2025-03-08 18:18:42,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:18:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:18:42,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:18:42,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:18:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 18:18:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:18:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:18:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:18:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:18:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:18:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:18:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:18:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:18:42,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:18:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-08 18:18:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:18:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:18:42,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:18:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:18:42,310 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:18:42,312 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:18:42,339 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:18:42,365 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:18:42,369 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:18:42,390 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2025-03-08 18:18:42,402 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:18:42,422 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-08 18:18:42,460 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-08 18:18:49,551 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9315: havoc aws_string_eq_byte_cursor_#t~mem1302#1;havoc aws_string_eq_byte_cursor_#t~mem1303#1.base, aws_string_eq_byte_cursor_#t~mem1303#1.offset;havoc aws_string_eq_byte_cursor_#t~mem1304#1;havoc aws_string_eq_byte_cursor_#t~ret1305#1; [2025-03-08 18:18:49,572 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-03-08 18:18:49,572 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:18:49,579 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:18:49,579 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:18:49,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:18:49 BoogieIcfgContainer [2025-03-08 18:18:49,580 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:18:49,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:18:49,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:18:49,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:18:49,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:18:39" (1/3) ... [2025-03-08 18:18:49,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710d50c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:18:49, skipping insertion in model container [2025-03-08 18:18:49,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:18:41" (2/3) ... [2025-03-08 18:18:49,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710d50c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:18:49, skipping insertion in model container [2025-03-08 18:18:49,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:18:49" (3/3) ... [2025-03-08 18:18:49,587 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2025-03-08 18:18:49,597 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:18:49,600 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness_negated.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 18:18:49,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:18:49,644 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;@65898588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:18:49,644 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:18:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-08 18:18:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-08 18:18:49,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:18:49,655 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:18:49,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:18:49,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:18:49,659 INFO L85 PathProgramCache]: Analyzing trace with hash -456262206, now seen corresponding path program 1 times [2025-03-08 18:18:49,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:18:49,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689593676] [2025-03-08 18:18:49,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:18:49,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:20:09,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-08 18:20:09,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-08 18:20:09,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:20:09,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:20:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-08 18:20:11,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:20:11,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689593676] [2025-03-08 18:20:11,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689593676] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:20:11,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335395718] [2025-03-08 18:20:11,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:20:11,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:20:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:20:11,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:20:11,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process