./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_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_clean_up_secure_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 bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:04:31,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:04:31,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:04:31,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:04:31,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:04:31,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:04:31,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:04:31,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:04:31,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:04:31,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:04:31,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:04:31,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:04:31,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:04:31,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:04:31,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:04:31,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:04:31,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:04:31,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:04:31,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:04:31,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:04:31,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:04:31,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:04:31,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:04:31,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:04:31,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:04:31,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:04:31,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:04:31,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:04:31,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:31,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:04:31,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:04:31,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:04:31,692 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 [2024-11-22 14:04:31,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:04:31,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:04:31,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:04:31,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:04:31,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:04:31,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-22 14:04:33,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:04:33,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:04:33,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-22 14:04:33,535 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf20d818/24ed1567178a4c33b057cccccccaa2ec/FLAG265098e1f [2024-11-22 14:04:33,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf20d818/24ed1567178a4c33b057cccccccaa2ec [2024-11-22 14:04:33,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:04:33,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:04:33,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:33,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:04:33,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:04:33,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:33" (1/1) ... [2024-11-22 14:04:33,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e94b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:33, skipping insertion in model container [2024-11-22 14:04:33,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:33" (1/1) ... [2024-11-22 14:04:33,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:04:34,038 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_clean_up_secure_harness_negated.i[4502,4515] [2024-11-22 14:04:34,047 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_clean_up_secure_harness_negated.i[4562,4575] [2024-11-22 14:04:34,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:34,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:35,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:04:35,207 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_clean_up_secure_harness_negated.i[4502,4515] [2024-11-22 14:04:35,208 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_clean_up_secure_harness_negated.i[4562,4575] [2024-11-22 14:04:35,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-22 14:04:35,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:35,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-22 14:04:35,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:35,563 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:04:35,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35 WrapperNode [2024-11-22 14:04:35,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:35,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:35,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:04:35,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:04:35,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,709 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-11-22 14:04:35,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:35,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:04:35,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:04:35,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:04:35,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,787 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 32, 238, 7]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 4, 6, 5]. The 497 writes are split as follows [0, 257, 7, 232, 1]. [2024-11-22 14:04:35,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:04:35,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:04:35,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:04:35,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:04:35,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (1/1) ... [2024-11-22 14:04:35,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:35,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:04:35,898 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 14:04:35,899 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 14:04:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:04:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:04:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:04:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:04:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:04:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:04:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:04:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:04:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:04:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:04:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:04:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-22 14:04:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:04:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:04:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:04:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-22 14:04:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:04:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:04:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:04:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-22 14:04:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-22 14:04:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:04:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:04:36,221 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:04:36,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:04:43,611 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-22 14:04:43,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:04:43,625 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:04:43,626 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:04:43,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:04:43 BoogieIcfgContainer [2024-11-22 14:04:43,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:04:43,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:04:43,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:04:43,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:04:43,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:04:33" (1/3) ... [2024-11-22 14:04:43,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e3fbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:04:43, skipping insertion in model container [2024-11-22 14:04:43,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:35" (2/3) ... [2024-11-22 14:04:43,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e3fbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:04:43, skipping insertion in model container [2024-11-22 14:04:43,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:04:43" (3/3) ... [2024-11-22 14:04:43,635 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2024-11-22 14:04:43,647 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:04:43,648 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:04:43,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:04:43,713 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;@6e5379ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:04:43,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:04:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 80 states have (on average 1.225) internal successors, (98), 81 states have internal predecessors, (98), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-22 14:04:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 14:04:43,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:04:43,729 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-22 14:04:43,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:04:43,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:04:43,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-11-22 14:04:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:04:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562305616] [2024-11-22 14:04:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:04:43,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:05:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:05:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-22 14:05:58,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:05:58,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562305616] [2024-11-22 14:05:58,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562305616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:05:58,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931189572] [2024-11-22 14:05:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:05:58,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:05:58,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:05:58,818 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 14:05:58,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process