./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.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_string_new_from_c_str_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:27:32,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:27:32,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:27:32,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:27:32,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:27:32,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:27:32,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:27:32,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:27:32,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:27:32,453 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:27:32,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:27:32,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:27:32,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:27:32,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:27:32,454 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:27:32,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:27:32,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:27:32,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:27:32,455 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 -> d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd [2025-02-06 05:27:32,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:27:32,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:27:32,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:27:32,694 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:27:32,695 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:27:32,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-02-06 05:27:33,909 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b8843463/2be6dc24d1c04f4c9ba7b2bfcf44e3c7/FLAG2549be1a9 [2025-02-06 05:27:34,499 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:27:34,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-02-06 05:27:34,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b8843463/2be6dc24d1c04f4c9ba7b2bfcf44e3c7/FLAG2549be1a9 [2025-02-06 05:27:34,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b8843463/2be6dc24d1c04f4c9ba7b2bfcf44e3c7 [2025-02-06 05:27:34,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:27:34,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:27:34,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:27:34,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:27:34,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:27:34,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:27:34" (1/1) ... [2025-02-06 05:27:34,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcdc14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:34, skipping insertion in model container [2025-02-06 05:27:34,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:27:34" (1/1) ... [2025-02-06 05:27:35,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:27:35,306 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4499,4512] [2025-02-06 05:27:35,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4559,4572] [2025-02-06 05:27:36,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:36,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:27:37,376 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:27:37,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4499,4512] [2025-02-06 05:27:37,385 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i[4559,4572] [2025-02-06 05:27:37,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-06 05:27:37,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:27:37,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-02-06 05:27:37,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:27:37,689 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:27:37,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37 WrapperNode [2025-02-06 05:27:37,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:27:37,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:27:37,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:27:37,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:27:37,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,839 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-02-06 05:27:37,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:27:37,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:27:37,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:27:37,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:27:37,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,926 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 238, 2, 5, 14]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 5, 0]. The 494 writes are split as follows [0, 257, 232, 1, 0, 4]. [2025-02-06 05:27:37,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:27:37,979 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:27:37,979 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:27:37,979 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:27:37,979 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (1/1) ... [2025-02-06 05:27:37,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:27:38,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:27:38,038 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 05:27:38,040 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 05:27:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:27:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:27:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-06 05:27:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 05:27:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:27:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:27:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:27:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:27:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:27:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:27:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:27:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:27:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:27:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:27:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:27:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:27:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:27:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:27:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 05:27:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:27:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 05:27:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:27:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:27:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-02-06 05:27:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:27:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:27:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:27:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:27:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:27:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:27:38,350 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:27:38,353 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:27:38,380 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:27:38,406 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-06 05:27:38,408 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:27:38,418 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-06 05:27:38,428 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:27:38,432 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-02-06 05:27:38,465 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-02-06 05:27:38,465 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-02-06 05:27:38,670 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:27:45,668 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8961: havoc aws_string_new_from_c_str_#t~nondet1217#1;havoc aws_string_new_from_c_str_#t~ret1218#1;havoc aws_string_new_from_c_str_#t~ret1219#1.base, aws_string_new_from_c_str_#t~ret1219#1.offset; [2025-02-06 05:27:45,742 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2025-02-06 05:27:45,742 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:27:45,753 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:27:45,753 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:27:45,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:27:45 BoogieIcfgContainer [2025-02-06 05:27:45,754 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:27:45,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:27:45,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:27:45,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:27:45,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:27:34" (1/3) ... [2025-02-06 05:27:45,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f5f9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:27:45, skipping insertion in model container [2025-02-06 05:27:45,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:27:37" (2/3) ... [2025-02-06 05:27:45,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f5f9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:27:45, skipping insertion in model container [2025-02-06 05:27:45,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:27:45" (3/3) ... [2025-02-06 05:27:45,764 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness.i [2025-02-06 05:27:45,784 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:27:45,785 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness.i that has 21 procedures, 163 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-02-06 05:27:45,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:27:45,823 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;@614853f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:27:45,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:27:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 88 states have internal predecessors, (102), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 05:27:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 05:27:45,831 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:27:45,831 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 05:27:45,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:27:45,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:27:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1472732640, now seen corresponding path program 1 times [2025-02-06 05:27:45,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:27:45,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617838012] [2025-02-06 05:27:45,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:27:45,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:28:54,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 05:28:54,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 05:28:54,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:28:54,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:28:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-06 05:28:55,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:28:55,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617838012] [2025-02-06 05:28:55,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617838012] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:28:55,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560891516] [2025-02-06 05:28:55,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:28:55,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:28:55,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:28:55,280 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 05:28:55,288 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