./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.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_u8_harness.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 e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:38:17,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:38:17,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:38:17,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:38:17,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:38:17,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:38:17,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:38:17,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:38:17,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:38:17,899 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:38:17,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:38:17,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:38:17,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:38:17,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:38:17,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:38:17,901 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:17,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:38:17,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:38:17,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:38:17,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:38:17,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:38:17,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:38:17,902 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 -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2025-02-08 01:38:18,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:38:18,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:38:18,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:38:18,133 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:38:18,133 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:38:18,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-02-08 01:38:19,292 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1941f7926/7a29adb8fb8f4c369e1ef4c459414690/FLAG03556f498 [2025-02-08 01:38:19,745 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:38:19,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-02-08 01:38:19,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1941f7926/7a29adb8fb8f4c369e1ef4c459414690/FLAG03556f498 [2025-02-08 01:38:19,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1941f7926/7a29adb8fb8f4c369e1ef4c459414690 [2025-02-08 01:38:19,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:38:19,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:38:19,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:19,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:38:19,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:38:19,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:19" (1/1) ... [2025-02-08 01:38:19,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c921a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:19, skipping insertion in model container [2025-02-08 01:38:19,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:38:19" (1/1) ... [2025-02-08 01:38:19,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:38:20,134 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_u8_harness.i[4495,4508] [2025-02-08 01:38:20,139 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_u8_harness.i[4555,4568] [2025-02-08 01:38:20,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,951 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:20,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:21,069 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:38:21,084 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_u8_harness.i[4495,4508] [2025-02-08 01:38:21,085 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_u8_harness.i[4555,4568] [2025-02-08 01:38:21,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,119 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-08 01:38:21,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:38:21,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-08 01:38:21,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:38:21,424 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:38:21,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21 WrapperNode [2025-02-08 01:38:21,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:38:21,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:21,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:38:21,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:38:21,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,550 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-02-08 01:38:21,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:38:21,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:38:21,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:38:21,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:38:21,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,628 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 8, 47, 6, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 8, 0, 0]. The 496 writes are split as follows [0, 257, 232, 1, 3, 2, 1]. [2025-02-08 01:38:21,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:38:21,708 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:38:21,708 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:38:21,708 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:38:21,712 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (1/1) ... [2025-02-08 01:38:21,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:38:21,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:38:21,737 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 01:38:21,743 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 01:38:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:38:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:38:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:38:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:38:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:38:21,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:38:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:38:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:38:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:38:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:38:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:38:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:38:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:38:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:38:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:38:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:38:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:38:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:38:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:38:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:38:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:38:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:38:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:38:21,996 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:38:21,998 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:38:22,039 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:38:22,145 INFO L1324 $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; [2025-02-08 01:38:22,153 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:38:22,158 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:38:29,155 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137-1: 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 01:38:29,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#5(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#3(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#5(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 01:38:29,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-02-08 01:38:29,156 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#5(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#5(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:38:29,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8577: havoc aws_byte_buf_write_u8_#t~ret1198#1;call ULTIMATE.dealloc(aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset);havoc aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset; [2025-02-08 01:38:29,156 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:38:29,200 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-02-08 01:38:29,201 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:38:29,209 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:38:29,210 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:38:29,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:38:29 BoogieIcfgContainer [2025-02-08 01:38:29,211 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:38:29,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:38:29,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:38:29,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:38:29,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:38:19" (1/3) ... [2025-02-08 01:38:29,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c65cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:38:29, skipping insertion in model container [2025-02-08 01:38:29,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:38:21" (2/3) ... [2025-02-08 01:38:29,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c65cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:38:29, skipping insertion in model container [2025-02-08 01:38:29,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:38:29" (3/3) ... [2025-02-08 01:38:29,217 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2025-02-08 01:38:29,226 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:38:29,227 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness.i that has 11 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:38:29,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:38:29,303 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;@638d9680, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:38:29,303 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:38:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 81 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 01:38:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 01:38:29,319 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:38:29,320 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] [2025-02-08 01:38:29,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:38:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:38:29,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2116315724, now seen corresponding path program 1 times [2025-02-08 01:38:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:38:29,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694413989] [2025-02-08 01:38:29,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:38:29,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:39:34,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 01:39:35,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 01:39:35,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:39:35,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:39:35,887 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 01:39:35,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:39:35,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694413989] [2025-02-08 01:39:35,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694413989] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:39:35,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961681680] [2025-02-08 01:39:35,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:39:35,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:39:35,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:35,890 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 01:39:35,892 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