./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_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 f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:36:15,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:36:15,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:36:15,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:36:15,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:36:15,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:36:15,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:36:15,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:36:15,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:36:15,795 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:36:15,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:36:15,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:36:15,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:36:15,796 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:36:15,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:15,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:36:15,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:36:15,797 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 -> f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe [2025-02-08 01:36:16,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:36:16,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:36:16,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:36:16,062 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:36:16,062 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:36:16,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-02-08 01:36:17,323 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/824a252ea/4eac3373ea2c421f896db7a9fae7d733/FLAG832532654 [2025-02-08 01:36:17,750 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:36:17,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-02-08 01:36:17,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/824a252ea/4eac3373ea2c421f896db7a9fae7d733/FLAG832532654 [2025-02-08 01:36:17,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/824a252ea/4eac3373ea2c421f896db7a9fae7d733 [2025-02-08 01:36:17,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:36:17,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:36:17,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:17,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:36:17,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:36:17,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:17" (1/1) ... [2025-02-08 01:36:17,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39718001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:17, skipping insertion in model container [2025-02-08 01:36:17,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:17" (1/1) ... [2025-02-08 01:36:17,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:36:18,041 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_secure_zero_harness_negated.i[4498,4511] [2025-02-08 01:36:18,045 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_secure_zero_harness_negated.i[4558,4571] [2025-02-08 01:36:18,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:18,953 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:36:18,967 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_secure_zero_harness_negated.i[4498,4511] [2025-02-08 01:36:18,968 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_secure_zero_harness_negated.i[4558,4571] [2025-02-08 01:36:18,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:18,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:19,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-08 01:36:19,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:19,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:19,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-08 01:36:19,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:19,287 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:36:19,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19 WrapperNode [2025-02-08 01:36:19,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:19,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:19,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:36:19,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:36:19,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,442 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-02-08 01:36:19,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:19,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:36:19,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:36:19,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:36:19,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,514 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 7, 23]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 1, 3]. [2025-02-08 01:36:19,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:36:19,577 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:36:19,577 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:36:19,578 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:36:19,578 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (1/1) ... [2025-02-08 01:36:19,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:19,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:19,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:36:19,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:36:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:36:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:36:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:36:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:36:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:36:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:36:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:36:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-08 01:36:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:36:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:36:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:36:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:36:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:36:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:36:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:36:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:36:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-08 01:36:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-08 01:36:19,634 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:36:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:36:19,828 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:36:19,830 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:36:19,883 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:36:19,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:36:19,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2025-02-08 01:36:19,941 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-02-08 01:36:19,958 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:36:26,625 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:36:26,751 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2025-02-08 01:36:26,752 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:36:26,758 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:36:26,758 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:36:26,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:26 BoogieIcfgContainer [2025-02-08 01:36:26,759 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:36:26,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:36:26,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:36:26,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:36:26,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:36:17" (1/3) ... [2025-02-08 01:36:26,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b95a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:26, skipping insertion in model container [2025-02-08 01:36:26,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:19" (2/3) ... [2025-02-08 01:36:26,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b95a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:26, skipping insertion in model container [2025-02-08 01:36:26,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:26" (3/3) ... [2025-02-08 01:36:26,767 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2025-02-08 01:36:26,777 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:36:26,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_secure_zero_harness_negated.i that has 11 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:36:26,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:36:26,827 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;@5566f2fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:36:26,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:36:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 64 states have internal predecessors, (78), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 01:36:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 01:36:26,837 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:36:26,838 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:36:26,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:36:26,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:36:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash -597801525, now seen corresponding path program 1 times [2025-02-08 01:36:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:36:26,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473903865] [2025-02-08 01:36:26,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:37:34,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 01:37:34,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 01:37:34,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:37:34,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:37:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-08 01:37:35,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:37:35,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473903865] [2025-02-08 01:37:35,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473903865] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:37:35,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722888879] [2025-02-08 01:37:35,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:37:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:35,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:37:35,472 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