./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 c00e63dc 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-?-c00e63d-m [2025-02-06 05:01:40,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:01:40,295 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:01:40,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:01:40,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:01:40,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:01:40,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:01:40,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:01:40,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:01:40,328 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:01:40,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:01:40,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:01:40,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:01:40,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:01:40,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:01:40,331 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:01:40,331 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:01:40,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:01:40,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:01:40,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:01:40,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:40,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:01:40,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:01:40,332 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:01:40,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:01:40,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:01:40,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:01:40,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:01:40,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:01:40,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:01:40,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:01:40,333 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 [2025-02-06 05:01:40,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:01:40,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:01:40,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:01:40,619 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:01:40,619 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:01:40,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-02-06 05:01:41,870 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b5dd4f98/b472d954e30e4658a54fea63c5b1dda7/FLAG697f89174 [2025-02-06 05:01:42,319 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:01:42,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-02-06 05:01:42,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b5dd4f98/b472d954e30e4658a54fea63c5b1dda7/FLAG697f89174 [2025-02-06 05:01:42,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b5dd4f98/b472d954e30e4658a54fea63c5b1dda7 [2025-02-06 05:01:42,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:01:42,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:01:42,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:42,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:01:42,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:01:42,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:42" (1/1) ... [2025-02-06 05:01:42,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709691d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:42, skipping insertion in model container [2025-02-06 05:01:42,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:42" (1/1) ... [2025-02-06 05:01:42,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:01:42,762 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] [2025-02-06 05:01:42,771 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] [2025-02-06 05:01:43,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,434 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,435 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:43,967 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:44,112 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:01:44,122 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] [2025-02-06 05:01:44,126 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] [2025-02-06 05:01:44,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-06 05:01:44,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:44,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-06 05:01:44,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:44,497 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:01:44,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44 WrapperNode [2025-02-06 05:01:44,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:44,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:44,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:01:44,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:01:44,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,648 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-02-06 05:01:44,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:44,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:01:44,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:01:44,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:01:44,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,662 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,727 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 238, 2, 6, 8, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 5, 8]. The 496 writes are split as follows [0, 257, 232, 1, 2, 1, 3]. [2025-02-06 05:01:44,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:01:44,814 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:01:44,815 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:01:44,815 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:01:44,816 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (1/1) ... [2025-02-06 05:01:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:44,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:01:44,846 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) [2025-02-06 05:01:44,848 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 [2025-02-06 05:01:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:01:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:01:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:01:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:01:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:01:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:01:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:01:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:01:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:01:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:01:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:01:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:01:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:01:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 05:01:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:01:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:01:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:01:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:01:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 05:01:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-06 05:01:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:01:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:01:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:01:45,141 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:01:45,143 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:01:45,169 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:01:45,263 INFO L1309 $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; [2025-02-06 05:01:45,272 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:01:45,305 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-06 05:01:52,500 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-02-06 05:01:52,500 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:01:52,501 INFO L1309 $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; [2025-02-06 05:01:52,501 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 05:01:52,550 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-02-06 05:01:52,550 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:01:52,559 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:01:52,559 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:01:52,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:52 BoogieIcfgContainer [2025-02-06 05:01:52,560 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:01:52,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:01:52,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:01:52,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:01:52,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:01:42" (1/3) ... [2025-02-06 05:01:52,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f507230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:52, skipping insertion in model container [2025-02-06 05:01:52,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:44" (2/3) ... [2025-02-06 05:01:52,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f507230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:52, skipping insertion in model container [2025-02-06 05:01:52,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:52" (3/3) ... [2025-02-06 05:01:52,575 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2025-02-06 05:01:52,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:01:52,596 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness.i that has 11 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 05:01:52,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:01:52,650 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;@29d107f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:01:52,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:01:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 85 states have internal predecessors, (103), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 05:01:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 05:01:52,662 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:01:52,663 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] [2025-02-06 05:01:52,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:01:52,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:01:52,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1124650777, now seen corresponding path program 1 times [2025-02-06 05:01:52,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:01:52,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877800401] [2025-02-06 05:01:52,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:01:52,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:03:00,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 05:03:00,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 05:03:00,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:03:00,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:03:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-06 05:03:01,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:03:01,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877800401] [2025-02-06 05:03:01,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877800401] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:03:01,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939783504] [2025-02-06 05:03:01,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:03:01,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:03:01,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:03:01,396 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) [2025-02-06 05:03:01,400 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