./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_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_byte_cursor_from_string_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 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:59:35,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:59:35,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:59:35,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:59:35,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:59:35,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:59:35,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:59:35,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:59:35,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:59:35,748 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:59:35,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:59:35,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:59:35,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:59:35,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:59:35,750 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:59:35,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:59:35,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:59:35,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:59:35,751 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 -> 50b1ca614ebad9eb3dfd79de33e45d91140d59dc37b022f2a8ddcabf14cf16e8 [2025-03-08 17:59:35,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:59:35,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:59:35,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:59:35,981 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:59:35,982 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:59:35,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-03-08 17:59:37,095 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d0a7758/1f13dc2de20147faa9e9c7ad8538169b/FLAG3aff4978e [2025-03-08 17:59:37,613 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:59:37,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness_negated.i [2025-03-08 17:59:37,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d0a7758/1f13dc2de20147faa9e9c7ad8538169b/FLAG3aff4978e [2025-03-08 17:59:38,171 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d0a7758/1f13dc2de20147faa9e9c7ad8538169b [2025-03-08 17:59:38,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:59:38,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:59:38,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:59:38,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:59:38,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:59:38,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:59:38" (1/1) ... [2025-03-08 17:59:38,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3042c4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:38, skipping insertion in model container [2025-03-08 17:59:38,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:59:38" (1/1) ... [2025-03-08 17:59:38,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:59:38,394 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_byte_cursor_from_string_harness_negated.i[4501,4514] [2025-03-08 17:59:38,401 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_byte_cursor_from_string_harness_negated.i[4561,4574] [2025-03-08 17:59:38,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:38,878 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:59:39,405 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:59:39,415 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_byte_cursor_from_string_harness_negated.i[4501,4514] [2025-03-08 17:59:39,416 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_byte_cursor_from_string_harness_negated.i[4561,4574] [2025-03-08 17:59:39,463 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,463 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-03-08 17:59:39,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:59:39,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-03-08 17:59:39,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:59:39,761 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:59:39,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39 WrapperNode [2025-03-08 17:59:39,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:59:39,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:59:39,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:59:39,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:59:39,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,873 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-03-08 17:59:39,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:59:39,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:59:39,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:59:39,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:59:39,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,941 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 257, 5, 16, 249, 14]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 16, 6, 2]. The 494 writes are split as follows [0, 257, 0, 0, 235, 2]. [2025-03-08 17:59:39,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:39,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:59:39,995 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:59:39,995 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:59:39,995 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:59:39,996 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (1/1) ... [2025-03-08 17:59:40,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:59:40,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:59:40,029 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 17:59:40,032 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 17:59:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 17:59:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 17:59:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:59:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:59:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-08 17:59:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-08 17:59:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:59:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:59:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:59:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:59:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:59:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:59:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:59:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:59:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:59:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:59:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:59:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-03-08 17:59:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-03-08 17:59:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:59:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:59:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:59:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:59:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:59:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:59:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:59:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:59:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:59:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:59:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:59:40,293 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:59:40,295 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:59:40,321 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:59:40,345 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 17:59:40,347 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:59:40,364 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:59:40,402 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 17:59:40,429 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-08 17:59:47,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8209: havoc aws_byte_cursor_from_array_#t~mem1080#1;havoc aws_byte_cursor_from_array_#t~mem1081#1.base, aws_byte_cursor_from_array_#t~mem1081#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset);havoc aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset; [2025-03-08 17:59:47,105 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9484: havoc aws_byte_cursor_from_string_#t~ret1346#1.base, aws_byte_cursor_from_string_#t~ret1346#1.offset;havoc aws_byte_cursor_from_string_#t~mem1347#1;havoc aws_byte_cursor_from_string_#t~ret1348#1.len, aws_byte_cursor_from_string_#t~ret1348#1.ptr.base, aws_byte_cursor_from_string_#t~ret1348#1.ptr.offset; [2025-03-08 17:59:47,129 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2025-03-08 17:59:47,129 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:59:47,139 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:59:47,139 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:59:47,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:59:47 BoogieIcfgContainer [2025-03-08 17:59:47,139 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:59:47,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:59:47,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:59:47,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:59:47,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:59:38" (1/3) ... [2025-03-08 17:59:47,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e33d144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:59:47, skipping insertion in model container [2025-03-08 17:59:47,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:59:39" (2/3) ... [2025-03-08 17:59:47,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e33d144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:59:47, skipping insertion in model container [2025-03-08 17:59:47,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:59:47" (3/3) ... [2025-03-08 17:59:47,146 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness_negated.i [2025-03-08 17:59:47,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:59:47,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness_negated.i that has 11 procedures, 104 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 17:59:47,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:59:47,206 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;@1221ea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:59:47,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:59:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-08 17:59:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-08 17:59:47,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:59:47,218 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 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] [2025-03-08 17:59:47,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:59:47,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:59:47,222 INFO L85 PathProgramCache]: Analyzing trace with hash -887177288, now seen corresponding path program 1 times [2025-03-08 17:59:47,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:59:47,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061167451] [2025-03-08 17:59:47,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:59:47,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:00:57,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-08 18:00:57,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-08 18:00:57,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:00:57,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:00:58,575 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-08 18:00:58,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:00:58,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061167451] [2025-03-08 18:00:58,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061167451] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:00:58,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630183579] [2025-03-08 18:00:58,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:00:58,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:00:58,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:00:58,578 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 18:00:58,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process