./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:53:39,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:53:39,841 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:53:39,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:53:39,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:53:39,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:53:39,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:53:39,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:53:39,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:53:39,859 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:53:39,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:53:39,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:53:39,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:53:39,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:53:39,860 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:53:39,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:53:39,861 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:53:39,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:53:39,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:53:39,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:53:39,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:53:39,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:53:39,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:53:39,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:53:39,863 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 -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2025-03-08 17:53:40,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:53:40,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:53:40,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:53:40,074 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:53:40,075 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:53:40,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-03-08 17:53:41,185 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ff2023b/036fbd75d061492588f36ce1bfd581c2/FLAG7e3b65be8 [2025-03-08 17:53:41,708 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:53:41,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-03-08 17:53:41,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ff2023b/036fbd75d061492588f36ce1bfd581c2/FLAG7e3b65be8 [2025-03-08 17:53:41,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38ff2023b/036fbd75d061492588f36ce1bfd581c2 [2025-03-08 17:53:41,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:53:41,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:53:41,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:53:41,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:53:41,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:53:41,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:53:41" (1/1) ... [2025-03-08 17:53:41,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cd7107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:41, skipping insertion in model container [2025-03-08 17:53:41,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:53:41" (1/1) ... [2025-03-08 17:53:41,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:53:41,994 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_write_be16_harness.i[4497,4510] [2025-03-08 17:53:42,001 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_write_be16_harness.i[4557,4570] [2025-03-08 17:53:42,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:42,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:53:43,018 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:53:43,028 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_write_be16_harness.i[4497,4510] [2025-03-08 17:53:43,031 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_write_be16_harness.i[4557,4570] [2025-03-08 17:53:43,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:53:43,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:43,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:53:43,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:53:43,294 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:53:43,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43 WrapperNode [2025-03-08 17:53:43,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:53:43,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:53:43,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:53:43,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:53:43,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,444 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-03-08 17:53:43,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:53:43,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:53:43,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:53:43,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:53:43,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,517 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 8, 5]. The 497 writes are split as follows [0, 257, 232, 2, 2, 3, 1]. [2025-03-08 17:53:43,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:53:43,587 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:53:43,587 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:53:43,587 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:53:43,588 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (1/1) ... [2025-03-08 17:53:43,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:53:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:53:43,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:53:43,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:53:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:53:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:53:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:53:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:53:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:53:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:53:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:53:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:53:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:53:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:53:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:53:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:53:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:53:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:53:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:53:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-08 17:53:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:53:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:53:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:53:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:53:43,889 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:53:43,891 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:53:43,918 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:53:44,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: 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; [2025-03-08 17:53:44,062 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:53:44,070 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:53:50,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2025-03-08 17:53:50,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:53:50,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2025-03-08 17:53:50,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8584: havoc aws_byte_buf_write_be16_#t~ret1202#1;call ULTIMATE.dealloc(aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset);havoc aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset; [2025-03-08 17:53:50,932 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:53:50,978 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2025-03-08 17:53:50,978 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:53:50,989 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:53:50,989 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:53:50,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:50 BoogieIcfgContainer [2025-03-08 17:53:50,989 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:53:50,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:53:50,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:53:50,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:53:50,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:53:41" (1/3) ... [2025-03-08 17:53:50,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a99f70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:50, skipping insertion in model container [2025-03-08 17:53:50,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:43" (2/3) ... [2025-03-08 17:53:50,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a99f70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:50, skipping insertion in model container [2025-03-08 17:53:50,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:50" (3/3) ... [2025-03-08 17:53:50,995 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2025-03-08 17:53:51,004 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:53:51,006 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness.i that has 11 procedures, 131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:53:51,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:53:51,051 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;@76ea274a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:53:51,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:53:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 85 states have (on average 1.223529411764706) internal successors, (104), 86 states have internal predecessors, (104), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 17:53:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-08 17:53:51,060 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:53:51,060 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:53:51,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:53:51,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:53:51,064 INFO L85 PathProgramCache]: Analyzing trace with hash 765543549, now seen corresponding path program 1 times [2025-03-08 17:53:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:53:51,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978076898] [2025-03-08 17:53:51,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:54:58,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-08 17:54:58,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-08 17:54:58,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:54:58,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:54:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-08 17:54:59,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:54:59,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978076898] [2025-03-08 17:54:59,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978076898] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:54:59,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909242134] [2025-03-08 17:54:59,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:59,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:54:59,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:59,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:54:59,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process