./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:54:22,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:54:22,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:54:22,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:54:22,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:54:23,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:54:23,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:54:23,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:54:23,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:54:23,013 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:54:23,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:54:23,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:54:23,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:54:23,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:54:23,014 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:54:23,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:54:23,015 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:54:23,015 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:23,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:54:23,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:54:23,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:54:23,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:54:23,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:54:23,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:54:23,017 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 -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2025-02-06 04:54:23,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:54:23,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:54:23,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:54:23,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:54:23,254 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:54:23,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2025-02-06 04:54:24,493 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9381b65b/608cc607b18f41b5b80197743885dbfd/FLAGde82e2964 [2025-02-06 04:54:25,057 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:54:25,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2025-02-06 04:54:25,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9381b65b/608cc607b18f41b5b80197743885dbfd/FLAGde82e2964 [2025-02-06 04:54:25,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9381b65b/608cc607b18f41b5b80197743885dbfd [2025-02-06 04:54:25,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:54:25,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:54:25,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:25,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:54:25,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:54:25,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:25" (1/1) ... [2025-02-06 04:54:25,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ebac8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:25, skipping insertion in model container [2025-02-06 04:54:25,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:25" (1/1) ... [2025-02-06 04:54:25,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:54:25,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2025-02-06 04:54:25,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2025-02-06 04:54:25,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,287 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:26,496 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:54:26,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2025-02-06 04:54:26,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2025-02-06 04:54:26,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,562 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,566 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,695 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2025-02-06 04:54:26,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2025-02-06 04:54:26,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:26,946 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:54:26,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26 WrapperNode [2025-02-06 04:54:26,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:26,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:26,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:54:26,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:54:26,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,056 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2025-02-06 04:54:27,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:27,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:54:27,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:54:27,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:54:27,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,140 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [9, 2, 257, 238, 20, 4, 1, 32, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [5, 2, 0, 6, 2, 2, 0, 4, 4]. The 494 writes are split as follows [1, 0, 257, 232, 1, 0, 0, 3, 0]. [2025-02-06 04:54:27,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:54:27,238 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:54:27,238 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:54:27,238 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:54:27,239 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:27,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:54:27,275 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 04:54:27,280 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 04:54:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:54:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:54:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:27,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:54:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:54:27,309 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:54:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:54:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 04:54:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 04:54:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 04:54:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:54:27,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:54:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:54:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:54:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:54:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:54:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:54:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 04:54:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:54:27,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:54:27,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:54:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 04:54:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-02-06 04:54:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:54:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 04:54:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 04:54:27,589 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:54:27,591 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:54:27,620 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:54:27,624 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:54:27,694 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: 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; [2025-02-06 04:54:27,707 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:54:27,732 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7383: 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; [2025-02-06 04:54:27,760 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 04:54:34,483 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:54:34,484 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7911: havoc aws_byte_buf_append_with_lookup_#t~ret895#1; [2025-02-06 04:54:34,484 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-02-06 04:54:34,528 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-02-06 04:54:34,528 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:54:34,539 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:54:34,539 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:54:34,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:34 BoogieIcfgContainer [2025-02-06 04:54:34,540 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:54:34,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:54:34,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:54:34,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:54:34,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:54:25" (1/3) ... [2025-02-06 04:54:34,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334d372b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:34, skipping insertion in model container [2025-02-06 04:54:34,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (2/3) ... [2025-02-06 04:54:34,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334d372b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:34, skipping insertion in model container [2025-02-06 04:54:34,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:34" (3/3) ... [2025-02-06 04:54:34,550 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2025-02-06 04:54:34,563 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:54:34,566 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_with_lookup_harness_negated.i that has 13 procedures, 164 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:54:34,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:54:34,623 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;@68c42f0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:54:34,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:54:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 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) [2025-02-06 04:54:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-06 04:54:34,634 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:54:34,635 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, 1, 1, 1] [2025-02-06 04:54:34,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:54:34,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:54:34,639 INFO L85 PathProgramCache]: Analyzing trace with hash -558675500, now seen corresponding path program 1 times [2025-02-06 04:54:34,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:54:34,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271286656] [2025-02-06 04:54:34,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:54:34,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:55:53,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-06 04:55:53,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-06 04:55:53,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:55:53,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:55:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-02-06 04:55:54,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:55:54,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271286656] [2025-02-06 04:55:54,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271286656] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:55:54,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021170671] [2025-02-06 04:55:54,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:55:54,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:55:54,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:54,507 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 04:55:54,509 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