./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 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_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:59:37,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:59:37,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:59:37,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:59:37,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:59:37,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:59:37,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:59:37,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:59:37,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:59:37,584 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:59:37,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:59:37,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:59:37,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:59:37,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:59:37,585 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:59:37,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:59:37,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:59:37,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:59:37,586 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:59:37,586 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:37,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:59:37,587 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe [2025-02-06 04:59:37,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:59:37,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:59:37,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:59:37,827 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:59:37,827 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:59:37,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-02-06 04:59:38,970 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/830161720/d3a05fc773844bad8067382a050e2a69/FLAG3f1e3d261 [2025-02-06 04:59:39,430 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:59:39,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2025-02-06 04:59:39,465 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/830161720/d3a05fc773844bad8067382a050e2a69/FLAG3f1e3d261 [2025-02-06 04:59:39,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/830161720/d3a05fc773844bad8067382a050e2a69 [2025-02-06 04:59:39,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:59:39,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:59:39,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:39,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:59:39,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:59:39,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:39" (1/1) ... [2025-02-06 04:59:39,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c663fe9 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 04:59:39,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:39" (1/1) ... [2025-02-06 04:59:39,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:59:39,797 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4498,4511] [2025-02-06 04:59:39,806 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4558,4571] [2025-02-06 04:59:40,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,837 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:40,927 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:59:40,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4498,4511] [2025-02-06 04:59:40,943 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i[4558,4571] [2025-02-06 04:59:40,991 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:40,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:41,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-06 04:59:41,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:41,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:41,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-06 04:59:41,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:41,302 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:59:41,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:41 WrapperNode [2025-02-06 04:59:41,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:41,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:41,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:59:41,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:59:41,307 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 04:59:41,424 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 04:59:41,479 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-02-06 04:59:41,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:41,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:59:41,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:59:41,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:59:41,489 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 04:59:41,489 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 04:59:41,495 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 04:59:41,545 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]. [2025-02-06 04:59:41,546 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 04:59:41,548 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 04:59:41,573 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 04:59:41,574 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 04:59:41,579 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 04:59:41,583 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 04:59:41,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:59:41,590 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:59:41,590 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:59:41,590 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:59:41,591 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 04:59:41,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:41,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:41,627 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 04:59:41,629 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 04:59:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:59:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:59:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:59:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:59:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:59:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:59:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:59:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:59:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:59:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:59:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:59:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:59:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:59:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:59:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:59:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 04:59:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 04:59:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:59:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:59:41,844 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:59:41,846 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:59:41,871 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:59:41,873 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:59:41,881 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2025-02-06 04:59:41,939 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-02-06 04:59:41,952 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:59:48,595 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:59:48,638 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2025-02-06 04:59:48,638 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:59:48,646 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:59:48,646 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:59:48,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:48 BoogieIcfgContainer [2025-02-06 04:59:48,647 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:59:48,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:59:48,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:59:48,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:59:48,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:59:39" (1/3) ... [2025-02-06 04:59:48,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d3e74d 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 04:59:48,654 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 04:59:48,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d3e74d 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 04:59:48,654 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 04:59:48,655 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2025-02-06 04:59:48,666 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:59:48,667 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. [2025-02-06 04:59:48,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:59:48,722 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;@1915ce3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:59:48,723 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:59:48,733 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 04:59:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 04:59:48,741 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:59:48,742 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 04:59:48,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:59:48,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:59:48,747 INFO L85 PathProgramCache]: Analyzing trace with hash -80615876, now seen corresponding path program 1 times [2025-02-06 04:59:48,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:59:48,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065646639] [2025-02-06 04:59:48,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:48,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:00:58,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 05:00:58,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 05:00:58,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:00:58,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:00:59,750 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 05:00:59,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:00:59,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065646639] [2025-02-06 05:00:59,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065646639] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:00:59,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95729509] [2025-02-06 05:00:59,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:00:59,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:00:59,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:00:59,755 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 05:00:59,756 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