./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:36:31,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:36:31,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:36:31,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:36:31,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:36:31,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:36:31,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:36:31,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:36:31,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:36:31,712 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:36:31,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:36:31,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:36:31,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:36:31,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:36:31,714 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:36:31,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:36:31,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:36:31,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:36:31,715 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:36:31,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:31,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:36:31,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:36:31,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:36:31,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:36:31,717 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2025-02-08 01:36:31,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:36:31,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:36:31,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:36:31,954 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:36:31,954 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:36:31,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-02-08 01:36:33,126 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9c0ae62e8/a6c7c7488fe9470fa1c78b47e3d4ec22/FLAG79ed013dc [2025-02-08 01:36:33,570 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:36:33,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-02-08 01:36:33,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9c0ae62e8/a6c7c7488fe9470fa1c78b47e3d4ec22/FLAG79ed013dc [2025-02-08 01:36:33,703 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9c0ae62e8/a6c7c7488fe9470fa1c78b47e3d4ec22 [2025-02-08 01:36:33,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:36:33,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:36:33,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:33,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:36:33,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:36:33,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:33" (1/1) ... [2025-02-08 01:36:33,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2084d0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:33, skipping insertion in model container [2025-02-08 01:36:33,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:33" (1/1) ... [2025-02-08 01:36:33,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:36:33,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4497,4510] [2025-02-08 01:36:33,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4557,4570] [2025-02-08 01:36:34,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,973 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:34,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:35,102 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:36:35,112 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4497,4510] [2025-02-08 01:36:35,112 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i[4557,4570] [2025-02-08 01:36:35,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,159 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-08 01:36:35,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:35,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-08 01:36:35,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:35,461 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:36:35,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35 WrapperNode [2025-02-08 01:36:35,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:35,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:35,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:36:35,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:36:35,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,581 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2025-02-08 01:36:35,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:35,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:36:35,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:36:35,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:36:35,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,639 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 6, 238, 8, 47, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 6, 5, 8, 0]. The 497 writes are split as follows [0, 257, 2, 232, 1, 3, 2]. [2025-02-08 01:36:35,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,658 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:36:35,673 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:36:35,673 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:36:35,673 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:36:35,674 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (1/1) ... [2025-02-08 01:36:35,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:35,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:35,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:36:35,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:36:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2025-02-08 01:36:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:36:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:36:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:36:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:36:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:36:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:36:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:36:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:36:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:36:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:36:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:36:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:36:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:36:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:36:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:36:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:36:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:36:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:36:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:36:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:36:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:36:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:36:35,982 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:36:35,983 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:36:36,021 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:36:36,135 INFO L1324 $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; [2025-02-08 01:36:36,143 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc #t~nondet243; [2025-02-08 01:36:36,147 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:36:36,154 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:36:43,259 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:36:43,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem603#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:36:43,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#2(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem605#1 := read~int#4(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#2(save_byte_from_array_#t~mem605#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem604#1;havoc save_byte_from_array_#t~mem605#1; [2025-02-08 01:36:43,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#2(save_byte_from_array_#t~ret602#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret602#1;call save_byte_from_array_#t~mem603#1 := read~int#2(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:36:43,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8559: 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; [2025-02-08 01:36:43,260 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc nondet_uint32_t_#t~nondet8#1; [2025-02-08 01:36:43,304 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2025-02-08 01:36:43,304 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:36:43,311 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:36:43,311 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:36:43,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:43 BoogieIcfgContainer [2025-02-08 01:36:43,311 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:36:43,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:36:43,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:36:43,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:36:43,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:36:33" (1/3) ... [2025-02-08 01:36:43,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cba745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:43, skipping insertion in model container [2025-02-08 01:36:43,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:35" (2/3) ... [2025-02-08 01:36:43,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cba745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:43, skipping insertion in model container [2025-02-08 01:36:43,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:43" (3/3) ... [2025-02-08 01:36:43,320 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2025-02-08 01:36:43,330 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:36:43,331 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness_negated.i that has 12 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:36:43,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:36:43,376 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;@3d21b338, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:36:43,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:36:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 84 states have internal predecessors, (100), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 01:36:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 01:36:43,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:36:43,388 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] [2025-02-08 01:36:43,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:36:43,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:36:43,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1502939948, now seen corresponding path program 1 times [2025-02-08 01:36:43,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:36:43,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866395138] [2025-02-08 01:36:43,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:37:51,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 01:37:52,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 01:37:52,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:37:52,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:37:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-08 01:37:53,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:37:53,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866395138] [2025-02-08 01:37:53,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866395138] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:37:53,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038708491] [2025-02-08 01:37:53,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:53,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:37:53,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:53,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:37:53,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process