./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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.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 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:08:09,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:08:10,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:08:10,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:08:10,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:08:10,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:08:10,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:08:10,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:08:10,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:08:10,047 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:08:10,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:08:10,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:08:10,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:08:10,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:08:10,049 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:08:10,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:08:10,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:08:10,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:08:10,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:08:10,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:08:10,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:08:10,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:08:10,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:08:10,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:08:10,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:08:10,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:08:10,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:08:10,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:08:10,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:08:10,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:08:10,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:08:10,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:08:10,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:08:10,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:08:10,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:08:10,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:08:10,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:08:10,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:08:10,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:08:10,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2024-11-22 14:08:10,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:08:10,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:08:10,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:08:10,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:08:10,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:08:10,278 INFO L431 ainManager$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.i [2024-11-22 14:08:11,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:08:11,964 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:08:11,965 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-22 14:08:11,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b14c98ca/aa1f5d0f6b784b89b7d5fa6b6e935426/FLAG1254c6990 [2024-11-22 14:08:12,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b14c98ca/aa1f5d0f6b784b89b7d5fa6b6e935426 [2024-11-22 14:08:12,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:08:12,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:08:12,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:08:12,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:08:12,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:08:12,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:12" (1/1) ... [2024-11-22 14:08:12,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6ca0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:12, skipping insertion in model container [2024-11-22 14:08:12,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:12" (1/1) ... [2024-11-22 14:08:12,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:08:12,462 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.i[4498,4511] [2024-11-22 14:08:12,469 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.i[4558,4571] [2024-11-22 14:08:13,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,066 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:08:13,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:08:13,606 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.i[4498,4511] [2024-11-22 14:08:13,609 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.i[4558,4571] [2024-11-22 14:08:13,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-22 14:08:13,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:13,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-22 14:08:13,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:08:13,974 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:08:13,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13 WrapperNode [2024-11-22 14:08:13,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:08:13,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:08:13,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:08:13,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:08:13,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,120 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-22 14:08:14,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:08:14,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:08:14,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:08:14,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:08:14,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,190 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]. [2024-11-22 14:08:14,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:08:14,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:08:14,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:08:14,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:08:14,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (1/1) ... [2024-11-22 14:08:14,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:08:14,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:08:14,264 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) [2024-11-22 14:08:14,266 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 [2024-11-22 14:08:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:08:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:08:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:08:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:08:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:08:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:08:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:08:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-22 14:08:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:08:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:08:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:08:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:08:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:08:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:08:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:08:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:08:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:08:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:08:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:08:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:08:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:08:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:08:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:08:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:08:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:08:14,542 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:08:14,544 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:08:21,191 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-22 14:08:21,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:08:21,204 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:08:21,204 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:08:21,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:21 BoogieIcfgContainer [2024-11-22 14:08:21,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:08:21,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:08:21,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:08:21,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:08:21,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:08:12" (1/3) ... [2024-11-22 14:08:21,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c89e5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:21, skipping insertion in model container [2024-11-22 14:08:21,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:13" (2/3) ... [2024-11-22 14:08:21,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c89e5c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:21, skipping insertion in model container [2024-11-22 14:08:21,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:21" (3/3) ... [2024-11-22 14:08:21,213 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2024-11-22 14:08:21,225 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:08:21,226 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:08:21,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:08:21,277 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;@22fdea0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:08:21,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:08:21,280 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) [2024-11-22 14:08:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 14:08:21,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:08:21,291 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] [2024-11-22 14:08:21,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:08:21,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:08:21,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1770303730, now seen corresponding path program 1 times [2024-11-22 14:08:21,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:08:21,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620038119] [2024-11-22 14:08:21,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:08:21,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:09:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:09:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-22 14:09:35,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:09:35,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620038119] [2024-11-22 14:09:35,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620038119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:09:35,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367174804] [2024-11-22 14:09:35,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:09:35,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:09:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:09:35,689 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) [2024-11-22 14:09:35,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process