./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 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_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-803cd42-m [2024-11-22 14:08:32,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:08:32,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:08:32,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:08:32,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:08:32,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:08:32,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:08:32,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:08:32,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:08:32,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:08:32,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:08:32,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:08:32,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:08:32,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:08:32,124 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:08:32,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:08:32,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:08:32,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:08:32,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:08:32,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:08:32,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:08:32,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:08:32,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:08:32,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:08:32,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:08:32,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:08:32,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:08:32,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:08:32,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:08:32,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:08:32,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:08:32,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:08:32,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:08:32,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:08:32,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:08:32,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:08:32,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:08:32,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:08:32,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:08:32,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe [2024-11-22 14:08:32,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:08:32,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:08:32,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:08:32,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:08:32,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:08:32,371 INFO L431 ainManager$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 [2024-11-22 14:08:33,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:08:34,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:08:34,135 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2024-11-22 14:08:34,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4a67128/00097453e00b4d16b12fdc8abf8c906a/FLAGa192ea7c1 [2024-11-22 14:08:34,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4a67128/00097453e00b4d16b12fdc8abf8c906a [2024-11-22 14:08:34,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:08:34,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:08:34,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:08:34,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:08:34,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:08:34,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:34" (1/1) ... [2024-11-22 14:08:34,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9e228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:34, skipping insertion in model container [2024-11-22 14:08:34,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:08:34" (1/1) ... [2024-11-22 14:08:34,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:08:34,517 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] [2024-11-22 14:08:34,522 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] [2024-11-22 14:08:35,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,042 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,042 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,422 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,422 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:08:35,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:08:35,562 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] [2024-11-22 14:08:35,565 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] [2024-11-22 14:08:35,605 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,608 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,610 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,610 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,617 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-22 14:08:35,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:08:35,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-22 14:08:35,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:08:35,941 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:08:35,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35 WrapperNode [2024-11-22 14:08:35,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:08:35,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:08:35,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:08:35,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:08:35,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,091 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-22 14:08:36,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:08:36,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:08:36,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:08:36,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:08:36,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,179 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 14:08:36,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:08:36,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:08:36,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:08:36,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:08:36,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (1/1) ... [2024-11-22 14:08:36,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:08:36,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:08:36,272 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 14:08:36,274 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 14:08:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:08:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:08:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:08:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:08:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:08:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:08:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:08:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:08:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:08:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:08:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-22 14:08:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-22 14:08:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:08:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:08:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:08:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:08:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:08:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:08:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:08:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:08:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:08:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:08:36,312 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:08:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:08:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:08:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:08:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:08:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:08:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:08:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:08:36,549 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:08:36,550 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:08:43,402 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-22 14:08:43,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:08:43,415 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:08:43,415 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:08:43,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:43 BoogieIcfgContainer [2024-11-22 14:08:43,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:08:43,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:08:43,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:08:43,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:08:43,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:08:34" (1/3) ... [2024-11-22 14:08:43,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d6e9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:43, skipping insertion in model container [2024-11-22 14:08:43,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:08:35" (2/3) ... [2024-11-22 14:08:43,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d6e9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:08:43, skipping insertion in model container [2024-11-22 14:08:43,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:08:43" (3/3) ... [2024-11-22 14:08:43,424 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2024-11-22 14:08:43,437 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:08:43,437 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:08:43,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:08:43,497 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;@293df774, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:08:43,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:08:43,502 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 14:08:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 14:08:43,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:08:43,511 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 14:08:43,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:08:43,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:08:43,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1770303730, now seen corresponding path program 1 times [2024-11-22 14:08:43,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:08:43,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110913705] [2024-11-22 14:08:43,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:08:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:09:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:09:58,462 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 14:09:58,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:09:58,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110913705] [2024-11-22 14:09:58,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110913705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:09:58,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082678020] [2024-11-22 14:09:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:09:58,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:09:58,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:09:58,474 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 14:09:58,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process