./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 798a7b37 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_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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:37:54,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:37:55,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:37:55,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:37:55,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:37:55,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:37:55,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:37:55,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:37:55,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:37:55,033 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:37:55,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:37:55,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:37:55,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:37:55,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:37:55,033 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:37:55,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:37:55,034 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:37:55,034 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:37:55,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:37:55,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:37:55,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:37:55,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:37:55,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:37:55,036 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 -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2025-03-04 02:37:55,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:37:55,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:37:55,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:37:55,285 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:37:55,286 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:37:55,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2025-03-04 02:37:56,461 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67bc9506c/12b2358ce72c4c489d40c8da4b1a9388/FLAG37f0e7e49 [2025-03-04 02:37:56,928 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:37:56,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2025-03-04 02:37:56,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67bc9506c/12b2358ce72c4c489d40c8da4b1a9388/FLAG37f0e7e49 [2025-03-04 02:37:57,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67bc9506c/12b2358ce72c4c489d40c8da4b1a9388 [2025-03-04 02:37:57,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:37:57,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:37:57,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:37:57,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:37:57,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:37:57,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:57" (1/1) ... [2025-03-04 02:37:57,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1656868f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:57, skipping insertion in model container [2025-03-04 02:37:57,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:57" (1/1) ... [2025-03-04 02:37:57,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:37:57,324 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_negated.i[4505,4518] [2025-03-04 02:37:57,333 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_negated.i[4565,4578] [2025-03-04 02:37:57,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,977 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,977 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:57,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,467 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:37:58,683 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:37:58,697 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_negated.i[4505,4518] [2025-03-04 02:37:58,697 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_negated.i[4565,4578] [2025-03-04 02:37:58,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,724 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2025-03-04 02:37:58,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:58,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2025-03-04 02:37:58,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:37:59,037 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:37:59,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59 WrapperNode [2025-03-04 02:37:59,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:37:59,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:37:59,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:37:59,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:37:59,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,173 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2025-03-04 02:37:59,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:37:59,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:37:59,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:37:59,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:37:59,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,253 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [2, 257, 238, 9, 1, 32, 9, 20, 4]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 4, 0, 4, 5, 2, 2]. The 494 writes are split as follows [0, 257, 232, 0, 0, 3, 1, 1, 0]. [2025-03-04 02:37:59,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,293 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:37:59,334 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:37:59,335 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:37:59,335 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:37:59,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (1/1) ... [2025-03-04 02:37:59,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:37:59,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:37:59,362 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) [2025-03-04 02:37:59,367 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 [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:37:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:37:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:37:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:37:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:37:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:37:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:37:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:37:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:37:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:37:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:37:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:37:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:37:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:37:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:37:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:37:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-04 02:37:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:37:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:37:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:37:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:37:59,648 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:37:59,649 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:37:59,681 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:37:59,683 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:37:59,745 INFO L1325 $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; [2025-03-04 02:37:59,759 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:37:59,788 INFO L1325 $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; [2025-03-04 02:37:59,837 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:38:06,596 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:38:06,597 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7911: havoc aws_byte_buf_append_with_lookup_#t~ret895#1; [2025-03-04 02:38:06,597 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-04 02:38:06,638 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-04 02:38:06,638 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:38:06,652 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:38:06,652 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:38:06,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:06 BoogieIcfgContainer [2025-03-04 02:38:06,655 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:38:06,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:38:06,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:38:06,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:38:06,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:37:57" (1/3) ... [2025-03-04 02:38:06,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c4c2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:06, skipping insertion in model container [2025-03-04 02:38:06,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:59" (2/3) ... [2025-03-04 02:38:06,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c4c2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:06, skipping insertion in model container [2025-03-04 02:38:06,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:06" (3/3) ... [2025-03-04 02:38:06,661 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2025-03-04 02:38:06,671 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:38:06,672 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. [2025-03-04 02:38:06,717 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:38:06,726 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;@135126ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:38:06,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:38:06,729 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) [2025-03-04 02:38:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-04 02:38:06,736 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:38:06,737 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] [2025-03-04 02:38:06,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:38:06,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:38:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash -558675500, now seen corresponding path program 1 times [2025-03-04 02:38:06,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:38:06,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511436803] [2025-03-04 02:38:06,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:38:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:39:17,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-04 02:39:18,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-04 02:39:18,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:39:18,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:39:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-04 02:39:19,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:39:19,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511436803] [2025-03-04 02:39:19,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511436803] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:39:19,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306014112] [2025-03-04 02:39:19,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:39:19,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:39:19,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:39:19,081 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) [2025-03-04 02:39:19,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process