./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.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_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:00:41,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:00:41,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:00:41,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:00:41,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:00:41,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:00:41,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:00:41,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:00:41,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:00:41,255 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:00:41,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:00:41,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:00:41,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:00:41,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:00:41,257 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:00:41,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:00:41,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:00:41,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:00:41,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:00:41,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:00:41,258 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:00:41,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:41,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:00:41,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:00:41,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:00:41,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:00:41,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:41,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:00:41,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:00:41,261 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 -> bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 [2025-01-09 17:00:41,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:00:41,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:00:41,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:00:41,531 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:00:41,531 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:00:41,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-01-09 17:00:42,773 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/366e35a7a/a5cb0d4d57ae40fe9a914a9315a9e9ba/FLAGfb9a05866 [2025-01-09 17:00:43,426 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:00:43,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-01-09 17:00:43,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/366e35a7a/a5cb0d4d57ae40fe9a914a9315a9e9ba/FLAGfb9a05866 [2025-01-09 17:00:43,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/366e35a7a/a5cb0d4d57ae40fe9a914a9315a9e9ba [2025-01-09 17:00:43,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:00:43,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:00:43,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:00:43,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:00:43,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:00:43,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:00:43" (1/1) ... [2025-01-09 17:00:43,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57472dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:43, skipping insertion in model container [2025-01-09 17:00:43,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:00:43" (1/1) ... [2025-01-09 17:00:43,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:00:43,832 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_negated.i[4502,4515] [2025-01-09 17:00:43,840 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_negated.i[4562,4575] [2025-01-09 17:00:44,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:44,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:00:44,984 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:00:45,002 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_negated.i[4502,4515] [2025-01-09 17:00:45,003 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_negated.i[4562,4575] [2025-01-09 17:00:45,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2025-01-09 17:00:45,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:00:45,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2025-01-09 17:00:45,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:00:45,449 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:00:45,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45 WrapperNode [2025-01-09 17:00:45,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:00:45,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:00:45,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:00:45,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:00:45,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,582 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-01-09 17:00:45,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:00:45,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:00:45,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:00:45,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:00:45,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,677 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 17:00:45,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:00:45,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:00:45,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:00:45,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:00:45,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (1/1) ... [2025-01-09 17:00:45,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:45,765 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 17:00:45,772 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 17:00:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:00:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:00:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:00:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:00:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:00:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-01-09 17:00:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:00:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:00:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:00:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:00:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:00:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:00:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:00:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:00:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:00:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:00:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:00:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:00:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:00:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-01-09 17:00:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-01-09 17:00:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-01-09 17:00:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-01-09 17:00:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:00:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:00:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:00:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:00:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:00:46,078 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:00:46,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:00:54,075 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-01-09 17:00:54,076 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:00:54,087 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:00:54,090 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:00:54,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:00:54 BoogieIcfgContainer [2025-01-09 17:00:54,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:00:54,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:00:54,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:00:54,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:00:54,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:00:43" (1/3) ... [2025-01-09 17:00:54,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2841c1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:00:54, skipping insertion in model container [2025-01-09 17:00:54,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:00:45" (2/3) ... [2025-01-09 17:00:54,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2841c1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:00:54, skipping insertion in model container [2025-01-09 17:00:54,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:00:54" (3/3) ... [2025-01-09 17:00:54,100 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2025-01-09 17:00:54,116 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:00:54,117 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness_negated.i that has 11 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:00:54,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:00:54,178 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;@653b7180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:00:54,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:00:54,182 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 17:00:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-09 17:00:54,190 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:00:54,191 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 17:00:54,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:00:54,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:00:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1294042109, now seen corresponding path program 1 times [2025-01-09 17:00:54,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:00:54,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290791] [2025-01-09 17:00:54,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:54,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:02:00,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-09 17:02:01,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-09 17:02:01,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:02:01,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:02:02,124 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 17:02:02,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:02:02,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290791] [2025-01-09 17:02:02,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290791] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:02:02,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772059903] [2025-01-09 17:02:02,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:02:02,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:02:02,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:02:02,128 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 17:02:02,129 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