./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:42:26,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:42:26,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:42:26,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:42:26,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:42:26,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:42:26,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:42:26,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:42:26,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:42:26,600 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:42:26,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:42:26,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:42:26,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:42:26,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:42:26,600 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:42:26,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:42:26,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:42:26,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:42:26,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:26,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:42:26,603 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe [2025-03-04 02:42:26,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:42:26,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:42:26,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:42:26,851 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:42:26,851 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:42:26,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-03-04 02:42:27,949 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6a4dcc6/9dbe24355cd34bd4937e8bc58699069d/FLAGb53dd9893 [2025-03-04 02:42:28,332 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:42:28,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-03-04 02:42:28,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6a4dcc6/9dbe24355cd34bd4937e8bc58699069d/FLAGb53dd9893 [2025-03-04 02:42:28,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d6a4dcc6/9dbe24355cd34bd4937e8bc58699069d [2025-03-04 02:42:28,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:42:28,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:42:28,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:28,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:42:28,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:42:28,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:28" (1/1) ... [2025-03-04 02:42:28,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53943fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:28, skipping insertion in model container [2025-03-04 02:42:28,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:28" (1/1) ... [2025-03-04 02:42:28,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:42:28,776 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4498,4511] [2025-03-04 02:42:28,782 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4558,4571] [2025-03-04 02:42:29,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:29,693 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:42:29,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4498,4511] [2025-03-04 02:42:29,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4558,4571] [2025-03-04 02:42:29,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-04 02:42:29,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:29,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-04 02:42:29,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:30,041 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:42:30,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30 WrapperNode [2025-03-04 02:42:30,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:30,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:30,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:42:30,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:42:30,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,151 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-03-04 02:42:30,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:30,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:42:30,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:42:30,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:42:30,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,175 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,215 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 23, 7]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 3, 1]. [2025-03-04 02:42:30,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,233 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:42:30,261 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:42:30,262 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:42:30,262 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:42:30,262 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:30,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:30,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:42:30,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:42:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:42:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:42:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:42:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-04 02:42:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:42:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:42:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:42:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:42:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:42:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:42:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-04 02:42:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-04 02:42:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:42:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:42:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:42:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:42:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:42:30,515 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:42:30,531 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:42:30,559 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:42:30,562 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:42:30,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2025-03-04 02:42:30,620 INFO L1325 $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; [2025-03-04 02:42:30,628 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:42:37,059 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:42:37,091 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2025-03-04 02:42:37,091 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:42:37,099 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:42:37,101 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:42:37,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:37 BoogieIcfgContainer [2025-03-04 02:42:37,101 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:42:37,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:42:37,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:42:37,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:42:37,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:42:28" (1/3) ... [2025-03-04 02:42:37,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79768b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:37, skipping insertion in model container [2025-03-04 02:42:37,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (2/3) ... [2025-03-04 02:42:37,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79768b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:37, skipping insertion in model container [2025-03-04 02:42:37,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:37" (3/3) ... [2025-03-04 02:42:37,107 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2025-03-04 02:42:37,117 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:42:37,118 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_secure_zero_harness_negated.i that has 11 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:42:37,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:42:37,156 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;@4ca80f95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:42:37,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:42:37,160 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) [2025-03-04 02:42:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 02:42:37,165 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:42:37,165 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] [2025-03-04 02:42:37,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:42:37,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:42:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash -80615876, now seen corresponding path program 1 times [2025-03-04 02:42:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:42:37,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516269438] [2025-03-04 02:42:37,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:37,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:43:44,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 02:43:44,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 02:43:44,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:43:44,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:43:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-04 02:43:45,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:43:45,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516269438] [2025-03-04 02:43:45,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516269438] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:43:45,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028287540] [2025-03-04 02:43:45,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:45,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:43:45,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:45,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:43:45,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process