./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_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 ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:39:46,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:39:46,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:39:46,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:39:46,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:39:46,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:39:46,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:39:46,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:39:46,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:39:46,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:39:46,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:39:46,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:39:46,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:39:46,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:39:46,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:39:46,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:39:46,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:39:46,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:39:46,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:39:46,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:39:46,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:39:46,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:39:46,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:39:46,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:39:46,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:39:46,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:39:46,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:39:46,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:39:46,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:39:46,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:39:46,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:39:46,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:39:46,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:39:46,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:39:46,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:39:46,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:39:46,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:39:46,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:39:46,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:39:46,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2024-11-12 08:39:47,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:39:47,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:39:47,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:39:47,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:39:47,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:39:47,164 INFO L431 ainManager$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.i [2024-11-12 08:39:48,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:39:49,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:39:49,118 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2024-11-12 08:39:49,161 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26fb9e649/7627185cb2b043f5bb8a69031dfe692f/FLAG9aa98b52a [2024-11-12 08:39:49,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26fb9e649/7627185cb2b043f5bb8a69031dfe692f [2024-11-12 08:39:49,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:39:49,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:39:49,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:39:49,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:39:49,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:39:49,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:39:49" (1/1) ... [2024-11-12 08:39:49,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f166e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:49, skipping insertion in model container [2024-11-12 08:39:49,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:39:49" (1/1) ... [2024-11-12 08:39:49,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:39:49,538 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.i[4502,4515] [2024-11-12 08:39:49,544 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.i[4562,4575] [2024-11-12 08:39:50,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,139 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,156 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,160 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,605 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:39:50,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:39:50,733 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.i[4502,4515] [2024-11-12 08:39:50,737 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.i[4562,4575] [2024-11-12 08:39:50,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,768 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2024-11-12 08:39:50,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:39:50,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2024-11-12 08:39:50,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:39:51,186 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:39:51,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51 WrapperNode [2024-11-12 08:39:51,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:39:51,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:39:51,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:39:51,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:39:51,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,320 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-11-12 08:39:51,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:39:51,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:39:51,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:39:51,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:39:51,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,414 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 7, 32]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 497 writes are split as follows [0, 257, 232, 1, 7]. [2024-11-12 08:39:51,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:39:51,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:39:51,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:39:51,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:39:51,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (1/1) ... [2024-11-12 08:39:51,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:39:51,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:39:51,497 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) [2024-11-12 08:39:51,499 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 [2024-11-12 08:39:51,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:39:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:39:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:39:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:39:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:39:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:39:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:39:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:39:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-12 08:39:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:39:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:39:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:39:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 08:39:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:39:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:39:51,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:39:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-12 08:39:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-12 08:39:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-12 08:39:51,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:39:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:39:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:39:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:39:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:39:51,748 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:39:51,750 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:39:59,289 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-12 08:39:59,291 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:39:59,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:39:59,308 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 08:39:59,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:39:59 BoogieIcfgContainer [2024-11-12 08:39:59,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:39:59,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:39:59,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:39:59,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:39:59,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:39:49" (1/3) ... [2024-11-12 08:39:59,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ac824e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:39:59, skipping insertion in model container [2024-11-12 08:39:59,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:39:51" (2/3) ... [2024-11-12 08:39:59,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ac824e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:39:59, skipping insertion in model container [2024-11-12 08:39:59,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:39:59" (3/3) ... [2024-11-12 08:39:59,317 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2024-11-12 08:39:59,331 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:39:59,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:39:59,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:39:59,397 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;@1ccbb89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:39:59,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:39:59,402 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) [2024-11-12 08:39:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-12 08:39:59,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:39:59,414 INFO L218 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] [2024-11-12 08:39:59,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:39:59,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:39:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash -2095082959, now seen corresponding path program 1 times [2024-11-12 08:39:59,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:39:59,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986126228] [2024-11-12 08:39:59,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:39:59,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:41:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:41:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:41:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 08:41:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:41:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:41:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 08:41:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 08:41:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 08:41:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 08:41:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 08:41:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 08:41:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:41:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-12 08:41:20,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:41:20,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986126228] [2024-11-12 08:41:20,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986126228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:41:20,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526842461] [2024-11-12 08:41:20,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:41:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:41:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:41:20,706 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) [2024-11-12 08:41:20,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process