./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_buf_append_with_lookup_harness.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 f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:56:21,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:56:22,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:56:22,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:56:22,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:56:22,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:56:22,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:56:22,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:56:22,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:56:22,060 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:56:22,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:56:22,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:56:22,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:56:22,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:56:22,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:56:22,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:56:22,063 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:56:22,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:22,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:56:22,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:56:22,064 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 -> f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a [2025-03-17 06:56:22,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:56:22,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:56:22,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:56:22,303 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:56:22,303 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:56:22,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2025-03-17 06:56:23,537 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ea24a11/dd6e41b53f0a4ff3a2ab8d7bb55d1f83/FLAG0a2b5f4c1 [2025-03-17 06:56:24,085 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:56:24,086 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2025-03-17 06:56:24,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ea24a11/dd6e41b53f0a4ff3a2ab8d7bb55d1f83/FLAG0a2b5f4c1 [2025-03-17 06:56:24,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ea24a11/dd6e41b53f0a4ff3a2ab8d7bb55d1f83 [2025-03-17 06:56:24,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:56:24,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:56:24,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:24,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:56:24,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:56:24,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:24" (1/1) ... [2025-03-17 06:56:24,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3f53cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:24, skipping insertion in model container [2025-03-17 06:56:24,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:24" (1/1) ... [2025-03-17 06:56:24,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:56:24,494 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_buf_append_with_lookup_harness.i[4505,4518] [2025-03-17 06:56:24,505 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_buf_append_with_lookup_harness.i[4565,4578] [2025-03-17 06:56:25,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,150 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,535 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,605 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:25,754 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:56:25,769 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_buf_append_with_lookup_harness.i[4505,4518] [2025-03-17 06:56:25,769 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_buf_append_with_lookup_harness.i[4565,4578] [2025-03-17 06:56:25,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2025-03-17 06:56:25,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:25,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2025-03-17 06:56:26,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:26,196 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:56:26,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26 WrapperNode [2025-03-17 06:56:26,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:26,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:26,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:56:26,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:56:26,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,333 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2025-03-17 06:56:26,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:26,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:56:26,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:56:26,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:56:26,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,415 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [257, 2, 238, 9, 1, 9, 32, 20, 4]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 0, 5, 4, 2, 2]. The 494 writes are split as follows [257, 0, 232, 0, 0, 1, 3, 1, 0]. [2025-03-17 06:56:26,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:56:26,499 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:56:26,499 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:56:26,499 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:56:26,500 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (1/1) ... [2025-03-17 06:56:26,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:26,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:56:26,556 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) [2025-03-17 06:56:26,561 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 [2025-03-17 06:56:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:56:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:56:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:56:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:56:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:56:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:56:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:56:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 06:56:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:56:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:56:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 06:56:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:56:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 06:56:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 06:56:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 06:56:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 06:56:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:56:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:56:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:56:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 06:56:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-17 06:56:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 06:56:26,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 06:56:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 06:56:26,870 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:56:26,872 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:56:26,914 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:56:26,918 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 06:56:26,984 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7405: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-03-17 06:56:27,002 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:56:27,026 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7415: havoc #t~mem696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~mem700;havoc #t~mem701.base, #t~mem701.offset;havoc #t~short702;havoc #t~short703;havoc #t~short704;havoc #t~short705; [2025-03-17 06:56:27,046 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 06:56:34,304 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7943: havoc aws_byte_buf_append_with_lookup_#t~ret895#1; [2025-03-17 06:56:34,304 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-17 06:56:34,304 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 06:56:34,535 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2025-03-17 06:56:34,535 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:56:34,548 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:56:34,548 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:56:34,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:34 BoogieIcfgContainer [2025-03-17 06:56:34,549 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:56:34,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:56:34,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:56:34,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:56:34,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:56:24" (1/3) ... [2025-03-17 06:56:34,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763e03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:34, skipping insertion in model container [2025-03-17 06:56:34,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:26" (2/3) ... [2025-03-17 06:56:34,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763e03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:34, skipping insertion in model container [2025-03-17 06:56:34,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:34" (3/3) ... [2025-03-17 06:56:34,559 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness.i [2025-03-17 06:56:34,573 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:56:34,574 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_with_lookup_harness.i that has 13 procedures, 158 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 06:56:34,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:56:34,636 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;@5658b178, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:56:34,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:56:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 100 states have (on average 1.24) internal successors, (124), 101 states have internal predecessors, (124), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-17 06:56:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 06:56:34,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:56:34,650 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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] [2025-03-17 06:56:34,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:56:34,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:56:34,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1802110139, now seen corresponding path program 1 times [2025-03-17 06:56:34,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:56:34,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52872434] [2025-03-17 06:56:34,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:56:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:57:49,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 06:57:50,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 06:57:50,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:57:50,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:57:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-03-17 06:57:53,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:57:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52872434] [2025-03-17 06:57:53,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52872434] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:57:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809306042] [2025-03-17 06:57:53,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:57:53,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:57:53,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:57:53,356 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) [2025-03-17 06:57:53,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process