./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_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-?-8fc3dc6-m [2025-03-17 07:01:23,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:01:23,405 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:01:23,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:01:23,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:01:23,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:01:23,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:01:23,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:01:23,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:01:23,433 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:01:23,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:01:23,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:01:23,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:01:23,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:01:23,434 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:01:23,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:01:23,435 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:01:23,436 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:01:23,436 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:01:23,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:01:23,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:01:23,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:01:23,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:01:23,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:01:23,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:01:23,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:01:23,437 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 [2025-03-17 07:01:23,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:01:23,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:01:23,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:01:23,659 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:01:23,659 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:01:23,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-03-17 07:01:24,764 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0f054bd8/e77e6e30be62487d9bd9be3c0c532ccb/FLAG1f33ff3f1 [2025-03-17 07:01:25,243 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:01:25,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-03-17 07:01:25,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0f054bd8/e77e6e30be62487d9bd9be3c0c532ccb/FLAG1f33ff3f1 [2025-03-17 07:01:25,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0f054bd8/e77e6e30be62487d9bd9be3c0c532ccb [2025-03-17 07:01:25,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:01:25,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:01:25,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:01:25,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:01:25,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:01:25,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:01:25" (1/1) ... [2025-03-17 07:01:25,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21877b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:25, skipping insertion in model container [2025-03-17 07:01:25,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:01:25" (1/1) ... [2025-03-17 07:01:25,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:01:25,586 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] [2025-03-17 07:01:25,593 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] [2025-03-17 07:01:26,004 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,005 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,005 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,006 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:01:26,528 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:01:26,538 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] [2025-03-17 07:01:26,540 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] [2025-03-17 07:01:26,585 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-17 07:01:26,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:26,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-17 07:01:26,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:01:26,889 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:01:26,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26 WrapperNode [2025-03-17 07:01:26,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:01:26,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:01:26,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:01:26,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:01:26,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:26,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,041 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-03-17 07:01:27,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:01:27,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:01:27,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:01:27,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:01:27,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,103 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 7, 257, 238, 23]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 0, 6, 4]. The 493 writes are split as follows [0, 1, 257, 232, 3]. [2025-03-17 07:01:27,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:01:27,170 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:01:27,170 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:01:27,170 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:01:27,171 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (1/1) ... [2025-03-17 07:01:27,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:01:27,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:27,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:01:27,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:01:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:01:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:01:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-17 07:01:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:01:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:01:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:01:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:01:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:01:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:01:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:01:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 07:01:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 07:01:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 07:01:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 07:01:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:01:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:01:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:01:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:01:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:01:27,452 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:01:27,454 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:01:27,493 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:01:27,495 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:01:27,502 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2025-03-17 07:01:27,549 INFO L1322 $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; [2025-03-17 07:01:27,571 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:01:34,113 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:01:34,255 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2025-03-17 07:01:34,256 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:01:34,265 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:01:34,266 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:01:34,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:01:34 BoogieIcfgContainer [2025-03-17 07:01:34,267 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:01:34,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:01:34,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:01:34,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:01:34,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:01:25" (1/3) ... [2025-03-17 07:01:34,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a62ca05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:01:34, skipping insertion in model container [2025-03-17 07:01:34,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:26" (2/3) ... [2025-03-17 07:01:34,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a62ca05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:01:34, skipping insertion in model container [2025-03-17 07:01:34,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:01:34" (3/3) ... [2025-03-17 07:01:34,273 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2025-03-17 07:01:34,286 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:01:34,287 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. [2025-03-17 07:01:34,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:01:34,338 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;@4cd2b7b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:01:34,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:01:34,341 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) [2025-03-17 07:01:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-17 07:01:34,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:01:34,349 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] [2025-03-17 07:01:34,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:01:34,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:01:34,355 INFO L85 PathProgramCache]: Analyzing trace with hash -597801525, now seen corresponding path program 1 times [2025-03-17 07:01:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:01:34,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563843494] [2025-03-17 07:01:34,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:34,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:02:42,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 07:02:43,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 07:02:43,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:02:43,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:02:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-17 07:02:43,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:02:43,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563843494] [2025-03-17 07:02:43,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563843494] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:02:43,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970859358] [2025-03-17 07:02:43,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:02:43,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:02:43,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:02:43,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:02:43,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process