./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:59:37,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:59:37,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:59:37,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:59:37,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:59:37,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:59:37,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:59:37,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:59:37,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:59:37,513 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:59:37,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:59:37,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:59:37,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:59:37,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:59:37,515 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:59:37,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:59:37,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:59:37,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:59:37,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:59:37,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:59:37,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:59:37,516 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:59:37,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:37,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:59:37,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:59:37,517 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:59:37,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:59:37,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:59:37,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:59:37,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:59:37,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:59:37,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:59:37,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:59:37,518 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 -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2025-02-06 04:59:37,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:59:37,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:59:37,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:59:37,763 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:59:37,763 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:59:37,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2025-02-06 04:59:38,939 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ecd92217d/888484ddcf8b4eb09d9b1b331759fa51/FLAG416687d59 [2025-02-06 04:59:39,453 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:59:39,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2025-02-06 04:59:39,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ecd92217d/888484ddcf8b4eb09d9b1b331759fa51/FLAG416687d59 [2025-02-06 04:59:39,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ecd92217d/888484ddcf8b4eb09d9b1b331759fa51 [2025-02-06 04:59:39,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:59:39,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:59:39,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:39,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:59:39,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:59:39,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:39" (1/1) ... [2025-02-06 04:59:39,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3439acca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:39, skipping insertion in model container [2025-02-06 04:59:39,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:39" (1/1) ... [2025-02-06 04:59:39,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:59:39,781 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.i[4498,4511] [2025-02-06 04:59:39,786 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.i[4558,4571] [2025-02-06 04:59:40,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:40,808 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:59:40,818 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.i[4498,4511] [2025-02-06 04:59:40,822 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.i[4558,4571] [2025-02-06 04:59:40,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-06 04:59:40,960 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,960 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-06 04:59:40,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:41,122 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:59:41,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41 WrapperNode [2025-02-06 04:59:41,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:41,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:41,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:59:41,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:59:41,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,251 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-02-06 04:59:41,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:41,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:59:41,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:59:41,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:59:41,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,354 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]. [2025-02-06 04:59:41,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:59:41,389 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:59:41,389 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:59:41,389 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:59:41,390 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (1/1) ... [2025-02-06 04:59:41,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:41,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:41,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:59:41,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:59:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:59:41,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:59:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:59:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:59:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:59:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:59:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:59:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:59:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:59:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:59:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:59:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:59:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:59:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:59:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:59:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:59:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:59:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:59:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 04:59:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 04:59:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:59:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:59:41,671 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:59:41,673 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:59:41,694 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:59:41,695 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:59:41,699 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-02-06 04:59:41,731 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: 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; [2025-02-06 04:59:41,740 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:59:48,331 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:59:48,374 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2025-02-06 04:59:48,374 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:59:48,382 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:59:48,383 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:59:48,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:48 BoogieIcfgContainer [2025-02-06 04:59:48,383 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:59:48,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:59:48,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:59:48,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:59:48,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:59:39" (1/3) ... [2025-02-06 04:59:48,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7f80e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:48, skipping insertion in model container [2025-02-06 04:59:48,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41" (2/3) ... [2025-02-06 04:59:48,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7f80e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:48, skipping insertion in model container [2025-02-06 04:59:48,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:48" (3/3) ... [2025-02-06 04:59:48,396 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2025-02-06 04:59:48,405 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:59:48,407 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_secure_zero_harness.i that has 11 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:59:48,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:59:48,448 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;@9bb2e36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:59:48,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:59:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 70 states have internal predecessors, (84), 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) [2025-02-06 04:59:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 04:59:48,464 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:59:48,464 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, 1, 1] [2025-02-06 04:59:48,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:59:48,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:59:48,468 INFO L85 PathProgramCache]: Analyzing trace with hash -80615876, now seen corresponding path program 1 times [2025-02-06 04:59:48,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:59:48,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690792944] [2025-02-06 04:59:48,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:48,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:01:00,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 05:01:00,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 05:01:00,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:01:00,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:01:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-06 05:01:01,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:01:01,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690792944] [2025-02-06 05:01:01,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690792944] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:01:01,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21499418] [2025-02-06 05:01:01,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:01:01,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:01:01,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:01:01,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:01:01,517 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