./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_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_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 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:37:48,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:37:48,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:37:48,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:37:48,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:37:48,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:37:48,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:37:48,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:37:48,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:37:48,120 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:37:48,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:37:48,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:37:48,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:37:48,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:37:48,121 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:37:48,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:37:48,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:37:48,122 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:37:48,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:37:48,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:37:48,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:37:48,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:37:48,124 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 -> 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 [2025-03-04 02:37:48,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:37:48,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:37:48,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:37:48,354 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:37:48,355 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:37:48,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-03-04 02:37:49,490 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42c0fed41/24731cfbe44140a891af7617e0f6d8c9/FLAG33f21960a [2025-03-04 02:37:49,916 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:37:49,916 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-03-04 02:37:49,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42c0fed41/24731cfbe44140a891af7617e0f6d8c9/FLAG33f21960a [2025-03-04 02:37:50,064 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42c0fed41/24731cfbe44140a891af7617e0f6d8c9 [2025-03-04 02:37:50,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:37:50,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:37:50,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:37:50,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:37:50,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:37:50,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:50" (1/1) ... [2025-03-04 02:37:50,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370a9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:50, skipping insertion in model container [2025-03-04 02:37:50,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:37:50" (1/1) ... [2025-03-04 02:37:50,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:37:50,310 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_harness_negated.i[4493,4506] [2025-03-04 02:37:50,316 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_harness_negated.i[4553,4566] [2025-03-04 02:37:50,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:50,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:37:51,271 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:37:51,279 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_harness_negated.i[4493,4506] [2025-03-04 02:37:51,279 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_harness_negated.i[4553,4566] [2025-03-04 02:37:51,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,323 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-04 02:37:51,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:37:51,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-04 02:37:51,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:37:51,624 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:37:51,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51 WrapperNode [2025-03-04 02:37:51,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:37:51,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:37:51,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:37:51,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:37:51,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,732 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-03-04 02:37:51,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:37:51,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:37:51,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:37:51,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:37:51,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,747 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,796 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 238, 4, 33, 9, 22, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 2, 4, 5, 2, 4]. The 494 writes are split as follows [257, 0, 232, 0, 3, 1, 1, 0]. [2025-03-04 02:37:51,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,820 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:37:51,839 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:37:51,839 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:37:51,839 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:37:51,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (1/1) ... [2025-03-04 02:37:51,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:37:51,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:37:51,872 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 02:37:51,874 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 02:37:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:37:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:37:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:37:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-03-04 02:37:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:37:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:37:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:37:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:37:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:37:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:37:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:37:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:37:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:37:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:37:51,893 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:37:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:37:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-04 02:37:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:37:51,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:37:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:37:52,154 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:37:52,156 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:37:52,182 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:37:52,184 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:37:52,268 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-04 02:37:52,282 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:37:52,318 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~mem701;havoc #t~mem702.base, #t~mem702.offset;havoc #t~short703;havoc #t~short704;havoc #t~short705;havoc #t~short706; [2025-03-04 02:37:52,361 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc #t~ret876; [2025-03-04 02:37:52,370 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:37:58,875 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:37:58,875 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-04 02:37:58,926 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-03-04 02:37:58,927 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:37:58,935 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:37:58,937 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:37:58,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:37:58 BoogieIcfgContainer [2025-03-04 02:37:58,938 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:37:58,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:37:58,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:37:58,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:37:58,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:37:50" (1/3) ... [2025-03-04 02:37:58,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bf8a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:37:58, skipping insertion in model container [2025-03-04 02:37:58,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:37:51" (2/3) ... [2025-03-04 02:37:58,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bf8a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:37:58, skipping insertion in model container [2025-03-04 02:37:58,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:37:58" (3/3) ... [2025-03-04 02:37:58,945 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2025-03-04 02:37:58,955 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:37:58,956 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness_negated.i that has 14 procedures, 169 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:37:59,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:37:59,010 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;@68e4b70a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:37:59,010 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:37:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 107 states have internal predecessors, (128), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-04 02:37:59,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-04 02:37:59,022 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:37:59,022 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 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] [2025-03-04 02:37:59,023 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:37:59,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:37:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash -419054029, now seen corresponding path program 1 times [2025-03-04 02:37:59,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:37:59,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458438031] [2025-03-04 02:37:59,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:37:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:39:06,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-04 02:39:06,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-04 02:39:06,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:39:06,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:39:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-04 02:39:07,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:39:07,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458438031] [2025-03-04 02:39:07,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458438031] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:39:07,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109843348] [2025-03-04 02:39:07,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:39:07,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:39:07,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:39:07,330 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 02:39:07,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process