./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:09:06,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:09:06,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:09:06,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:09:06,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:09:06,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:09:06,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:09:06,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:09:06,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:09:06,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:09:06,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:09:07,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:09:07,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:09:07,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:09:07,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:09:07,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:09:07,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:09:07,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:09:07,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:09:07,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:09:07,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:09:07,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:09:07,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:09:07,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:09:07,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:09:07,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:09:07,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:09:07,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:09:07,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:09:07,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:09:07,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:09:07,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:09:07,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:09:07,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:09:07,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:09:07,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:09:07,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:09:07,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:09:07,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:09:07,018 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe [2024-11-19 02:09:07,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:09:07,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:09:07,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:09:07,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:09:07,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:09:07,337 INFO L431 ainManager$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 [2024-11-19 02:09:08,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:09:09,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:09:09,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2024-11-19 02:09:09,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6c0e9cb/7cdd32d5c5bf430e9841ca170824ab9f/FLAG88b3038d8 [2024-11-19 02:09:09,349 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6c0e9cb/7cdd32d5c5bf430e9841ca170824ab9f [2024-11-19 02:09:09,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:09:09,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:09:09,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:09:09,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:09:09,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:09:09,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:09:09" (1/1) ... [2024-11-19 02:09:09,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ecaf01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:09, skipping insertion in model container [2024-11-19 02:09:09,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:09:09" (1/1) ... [2024-11-19 02:09:09,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:09:09,743 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] [2024-11-19 02:09:09,748 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] [2024-11-19 02:09:10,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:09:10,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:09:10,898 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] [2024-11-19 02:09:10,899 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] [2024-11-19 02:09:10,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,980 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:10,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:11,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-19 02:09:11,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:11,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:09:11,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-19 02:09:11,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:09:11,312 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:09:11,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11 WrapperNode [2024-11-19 02:09:11,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:09:11,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:09:11,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:09:11,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:09:11,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,463 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-19 02:09:11,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:09:11,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:09:11,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:09:11,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:09:11,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,549 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 7, 23]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 1, 3]. [2024-11-19 02:09:11,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:09:11,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:09:11,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:09:11,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:09:11,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (1/1) ... [2024-11-19 02:09:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:09:11,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:09:11,626 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) [2024-11-19 02:09:11,633 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 [2024-11-19 02:09:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:09:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:09:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:09:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:09:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:09:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:09:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:09:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:09:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:09:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-19 02:09:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-19 02:09:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:09:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:09:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:09:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:09:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:09:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:09:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:09:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:09:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:09:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:09:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:09:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:09:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:09:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:09:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:09:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:09:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:09:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:09:11,675 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:09:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:09:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-19 02:09:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-19 02:09:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:09:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:09:11,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:09:11,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:09:19,277 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-19 02:09:19,277 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:09:19,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:09:19,290 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:09:19,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:09:19 BoogieIcfgContainer [2024-11-19 02:09:19,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:09:19,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:09:19,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:09:19,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:09:19,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:09:09" (1/3) ... [2024-11-19 02:09:19,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276076b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:09:19, skipping insertion in model container [2024-11-19 02:09:19,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:09:11" (2/3) ... [2024-11-19 02:09:19,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276076b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:09:19, skipping insertion in model container [2024-11-19 02:09:19,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:09:19" (3/3) ... [2024-11-19 02:09:19,300 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2024-11-19 02:09:19,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:09:19,313 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:09:19,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:09:19,389 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;@645f79aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:09:19,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:09:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 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) [2024-11-19 02:09:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 02:09:19,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:09:19,401 INFO L215 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] [2024-11-19 02:09:19,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:09:19,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:09:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1770303730, now seen corresponding path program 1 times [2024-11-19 02:09:19,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:09:19,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618503669] [2024-11-19 02:09:19,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:09:19,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:10:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:10:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-19 02:10:41,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:10:41,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618503669] [2024-11-19 02:10:41,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618503669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:10:41,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519611780] [2024-11-19 02:10:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:10:41,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:10:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:10:41,801 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) [2024-11-19 02:10:41,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process