./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:56:56,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:56:56,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:56:56,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:56:56,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:56:56,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:56:56,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:56:56,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:56:56,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:56:56,346 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:56:56,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:56:56,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:56:56,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:56:56,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:56:56,347 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:56:56,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:56:56,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:56:56,348 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:56:56,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:56,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:56:56,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:56:56,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:56:56,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:56:56,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2025-03-17 06:56:56,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:56:56,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:56:56,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:56:56,587 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:56:56,588 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:56:56,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-03-17 06:56:57,744 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3041ea506/b4e9428c03b8487e981e35ac3639a07d/FLAG3ea7c42c2 [2025-03-17 06:56:58,193 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:56:58,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-03-17 06:56:58,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3041ea506/b4e9428c03b8487e981e35ac3639a07d/FLAG3ea7c42c2 [2025-03-17 06:56:58,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3041ea506/b4e9428c03b8487e981e35ac3639a07d [2025-03-17 06:56:58,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:56:58,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:56:58,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:58,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:56:58,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:56:58,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:58" (1/1) ... [2025-03-17 06:56:58,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f4b70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:58, skipping insertion in model container [2025-03-17 06:56:58,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:58" (1/1) ... [2025-03-17 06:56:58,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:56:58,573 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2025-03-17 06:56:58,583 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2025-03-17 06:56:59,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:59,610 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:56:59,625 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2025-03-17 06:56:59,626 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2025-03-17 06:56:59,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,672 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,679 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,680 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2025-03-17 06:56:59,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:59,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2025-03-17 06:56:59,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:57:00,010 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:57:00,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00 WrapperNode [2025-03-17 06:57:00,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:57:00,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:57:00,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:57:00,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:57:00,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,134 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-03-17 06:57:00,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:57:00,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:57:00,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:57:00,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:57:00,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,150 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,206 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]. [2025-03-17 06:57:00,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,230 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:57:00,259 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:57:00,259 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:57:00,259 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:57:00,260 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (1/1) ... [2025-03-17 06:57:00,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:57:00,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:57:00,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 06:57:00,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 06:57:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:57:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:57:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:57:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:57:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:57:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:57:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:57:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:57:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:57:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:57:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:57:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-17 06:57:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:57:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:57:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:57:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 06:57:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:57:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:57:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:57:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 06:57:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 06:57:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:57:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:57:00,551 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:57:00,573 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:57:00,628 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:57:00,633 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7124: havoc #t~ret595.base, #t~ret595.offset; [2025-03-17 06:57:00,684 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7181: havoc #t~mem620;havoc #t~mem621;havoc #t~short622;havoc #t~mem623.base, #t~mem623.offset;havoc #t~short624;havoc #t~mem625;havoc #t~mem626;havoc #t~mem627;havoc #t~short628;havoc #t~mem629;havoc #t~mem630.base, #t~mem630.offset;havoc #t~short631;havoc #t~short632;havoc #t~short633;havoc #t~short634; [2025-03-17 06:57:00,697 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:57:07,387 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 06:57:07,549 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-17 06:57:07,549 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:57:07,559 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:57:07,560 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:57:07,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:57:07 BoogieIcfgContainer [2025-03-17 06:57:07,561 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:57:07,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:57:07,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:57:07,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:57:07,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:56:58" (1/3) ... [2025-03-17 06:57:07,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9ffec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:57:07, skipping insertion in model container [2025-03-17 06:57:07,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:00" (2/3) ... [2025-03-17 06:57:07,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9ffec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:57:07, skipping insertion in model container [2025-03-17 06:57:07,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:57:07" (3/3) ... [2025-03-17 06:57:07,568 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2025-03-17 06:57:07,582 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:57:07,583 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness.i that has 11 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 06:57:07,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:57:07,641 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;@1391d587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:57:07,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:57:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 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) [2025-03-17 06:57:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 06:57:07,652 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:57:07,653 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] [2025-03-17 06:57:07,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:57:07,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:57:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash 298928984, now seen corresponding path program 1 times [2025-03-17 06:57:07,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:57:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038781632] [2025-03-17 06:57:07,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:57:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:58:15,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 06:58:16,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 06:58:16,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:58:16,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:58:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-17 06:58:17,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:58:17,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038781632] [2025-03-17 06:58:17,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038781632] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:58:17,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804613675] [2025-03-17 06:58:17,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:58:17,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:58:17,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:58:17,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 06:58:17,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process