./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_clean_up_secure_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 ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:00:31,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:00:31,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:00:31,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:00:31,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:00:31,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:00:31,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:00:31,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:00:31,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:00:31,165 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:00:31,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:00:31,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:00:31,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:00:31,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:00:31,165 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:00:31,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:00:31,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:00:31,167 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:31,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:00:31,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:31,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:00:31,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:00:31,168 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 -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2025-01-09 17:00:31,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:00:31,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:00:31,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:00:31,404 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:00:31,404 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:00:31,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-01-09 17:00:32,488 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4dc139809/ebb22d4765c944709f26d98aee05099c/FLAG62cd7e71b [2025-01-09 17:00:32,902 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:00:32,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-01-09 17:00:32,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4dc139809/ebb22d4765c944709f26d98aee05099c/FLAG62cd7e71b [2025-01-09 17:00:33,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4dc139809/ebb22d4765c944709f26d98aee05099c [2025-01-09 17:00:33,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:00:33,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:00:33,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:00:33,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:00:33,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:00:33,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:00:33" (1/1) ... [2025-01-09 17:00:33,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf16568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:33, skipping insertion in model container [2025-01-09 17:00:33,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:00:33" (1/1) ... [2025-01-09 17:00:33,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:00:33,287 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_clean_up_secure_harness.i[4502,4515] [2025-01-09 17:00:33,293 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_clean_up_secure_harness.i[4562,4575] [2025-01-09 17:00:33,773 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:33,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,119 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,120 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:00:34,189 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:00:34,203 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_clean_up_secure_harness.i[4502,4515] [2025-01-09 17:00:34,203 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_clean_up_secure_harness.i[4562,4575] [2025-01-09 17:00:34,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2025-01-09 17:00:34,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:34,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2025-01-09 17:00:34,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:00:34,504 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:00:34,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34 WrapperNode [2025-01-09 17:00:34,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:00:34,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:00:34,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:00:34,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:00:34,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,593 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-01-09 17:00:34,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:00:34,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:00:34,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:00:34,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:00:34,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,665 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 7, 32]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 497 writes are split as follows [0, 257, 232, 1, 7]. [2025-01-09 17:00:34,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:00:34,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:00:34,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:00:34,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:00:34,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (1/1) ... [2025-01-09 17:00:34,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:34,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:34,758 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) [2025-01-09 17:00:34,760 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 [2025-01-09 17:00:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:00:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:00:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:00:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:00:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:00:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:00:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-01-09 17:00:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:00:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:00:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:00:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:00:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:00:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:00:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:00:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:00:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:00:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:00:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:00:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:00:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-01-09 17:00:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-01-09 17:00:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:00:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:00:34,991 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:00:34,992 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:00:42,313 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-01-09 17:00:42,313 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:00:42,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:00:42,323 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:00:42,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:00:42 BoogieIcfgContainer [2025-01-09 17:00:42,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:00:42,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:00:42,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:00:42,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:00:42,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:00:33" (1/3) ... [2025-01-09 17:00:42,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c590e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:00:42, skipping insertion in model container [2025-01-09 17:00:42,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:34" (2/3) ... [2025-01-09 17:00:42,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c590e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:00:42, skipping insertion in model container [2025-01-09 17:00:42,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:00:42" (3/3) ... [2025-01-09 17:00:42,333 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2025-01-09 17:00:42,349 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:00:42,353 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness.i that has 11 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:00:42,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:00:42,397 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;@27b67c50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:00:42,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:00:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 79 states have internal predecessors, (95), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:00:42,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-09 17:00:42,404 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:00:42,405 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-09 17:00:42,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:00:42,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:00:42,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1294042109, now seen corresponding path program 1 times [2025-01-09 17:00:42,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:00:42,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236626737] [2025-01-09 17:00:42,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:42,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:01:51,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-09 17:01:51,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-09 17:01:51,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:01:51,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:01:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-09 17:01:52,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:01:52,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236626737] [2025-01-09 17:01:52,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236626737] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:01:52,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987939527] [2025-01-09 17:01:52,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:01:52,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:01:52,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:01:52,393 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) [2025-01-09 17:01:52,394 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