./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.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_write_be32_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 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:42:54,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:42:54,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:42:54,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:42:54,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:42:54,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:42:54,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:42:54,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:42:54,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:42:54,291 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:42:54,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:42:54,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:42:54,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:42:54,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:42:54,292 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:42:54,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:42:54,293 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:42:54,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:54,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:42:54,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:42:54,294 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 -> 08bedf130def9ff60f4cf2e9bb71ec26d1fb4e6ee787835be29e85d2a9a146c4 [2025-03-04 02:42:54,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:42:54,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:42:54,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:42:54,518 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:42:54,518 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:42:54,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2025-03-04 02:42:55,606 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7253380e/47e9a9995a414065aa62ae5e982dde34/FLAGd67cabc60 [2025-03-04 02:42:56,044 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:42:56,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2025-03-04 02:42:56,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7253380e/47e9a9995a414065aa62ae5e982dde34/FLAGd67cabc60 [2025-03-04 02:42:56,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7253380e/47e9a9995a414065aa62ae5e982dde34 [2025-03-04 02:42:56,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:42:56,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:42:56,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:56,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:42:56,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:42:56,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:56" (1/1) ... [2025-03-04 02:42:56,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14637e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:56, skipping insertion in model container [2025-03-04 02:42:56,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:56" (1/1) ... [2025-03-04 02:42:56,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:42:56,325 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_be32_harness.i[4497,4510] [2025-03-04 02:42:56,332 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_be32_harness.i[4557,4570] [2025-03-04 02:42:56,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:56,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:57,337 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:42:57,345 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_be32_harness.i[4497,4510] [2025-03-04 02:42:57,345 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_be32_harness.i[4557,4570] [2025-03-04 02:42:57,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-04 02:42:57,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:57,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-04 02:42:57,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:57,629 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:42:57,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57 WrapperNode [2025-03-04 02:42:57,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:57,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:57,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:42:57,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:42:57,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,782 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2025-03-04 02:42:57,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:57,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:42:57,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:42:57,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:42:57,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,798 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,854 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 4, 47, 8, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 8, 5, 0]. The 497 writes are split as follows [0, 257, 232, 2, 3, 1, 2]. [2025-03-04 02:42:57,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,891 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:42:57,918 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:42:57,918 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:42:57,919 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:42:57,922 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (1/1) ... [2025-03-04 02:42:57,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:57,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:57,947 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 02:42:57,950 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 02:42:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:42:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:42:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2025-03-04 02:42:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2025-03-04 02:42:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:42:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:42:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:42:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:42:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:42:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:42:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:42:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:42:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:42:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:42:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:42:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:42:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:42:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:42:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:42:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:42:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:42:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:42:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:42:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:42:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:42:58,195 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:42:58,196 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:42:58,219 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:42:58,344 INFO L1325 $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; [2025-03-04 02:42:58,352 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc #t~nondet243; [2025-03-04 02:42:58,357 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:42:58,363 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:43:05,134 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8591: havoc aws_byte_buf_write_be32_#t~ret1206#1;call ULTIMATE.dealloc(aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset);havoc aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset; [2025-03-04 02:43:05,134 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:43:05,134 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc nondet_uint32_t_#t~nondet8#1; [2025-03-04 02:43:05,134 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:43:05,198 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-03-04 02:43:05,198 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:43:05,207 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:43:05,207 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:43:05,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:05 BoogieIcfgContainer [2025-03-04 02:43:05,207 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:43:05,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:43:05,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:43:05,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:43:05,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:42:56" (1/3) ... [2025-03-04 02:43:05,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621274ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:05, skipping insertion in model container [2025-03-04 02:43:05,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:57" (2/3) ... [2025-03-04 02:43:05,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621274ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:05, skipping insertion in model container [2025-03-04 02:43:05,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:05" (3/3) ... [2025-03-04 02:43:05,214 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2025-03-04 02:43:05,224 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:43:05,226 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness.i that has 12 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:43:05,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:43:05,276 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;@4e9aa925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:43:05,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:43:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 88 states have internal predecessors, (106), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 02:43:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-04 02:43:05,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:43:05,287 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, 1, 1, 1, 1] [2025-03-04 02:43:05,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:43:05,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:43:05,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1314157148, now seen corresponding path program 1 times [2025-03-04 02:43:05,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:43:05,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026922423] [2025-03-04 02:43:05,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:44:11,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-04 02:44:11,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 02:44:11,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:44:11,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:44:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-04 02:44:12,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:44:12,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026922423] [2025-03-04 02:44:12,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026922423] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:44:12,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575235566] [2025-03-04 02:44:12,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:12,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:44:12,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:12,638 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 02:44:12,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process