./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_init_copy_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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:03:36,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:03:37,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:03:37,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:03:37,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:03:37,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:03:37,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:03:37,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:03:37,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:03:37,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:03:37,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:03:37,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:03:37,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:03:37,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:03:37,072 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:03:37,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:03:37,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:03:37,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:03:37,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:03:37,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:03:37,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:03:37,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:03:37,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:03:37,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:03:37,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:03:37,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:03:37,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:03:37,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:03:37,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:03:37,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:37,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:03:37,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:03:37,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:03:37,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:03:37,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:03:37,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:03:37,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:03:37,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:03:37,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:03:37,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2024-11-09 03:03:37,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:03:37,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:03:37,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:03:37,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:03:37,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:03:37,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-09 03:03:38,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:03:39,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:03:39,370 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-09 03:03:39,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ae7ba5d/e0b336a77a4d4256a8bc49d418ffcccf/FLAG923f832b1 [2024-11-09 03:03:39,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ae7ba5d/e0b336a77a4d4256a8bc49d418ffcccf [2024-11-09 03:03:39,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:03:39,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:03:39,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:39,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:03:39,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:03:39,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:39" (1/1) ... [2024-11-09 03:03:39,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c071c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:39, skipping insertion in model container [2024-11-09 03:03:39,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:39" (1/1) ... [2024-11-09 03:03:39,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:03:39,912 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_init_copy_harness_negated.i[4496,4509] [2024-11-09 03:03:39,921 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_init_copy_harness_negated.i[4556,4569] [2024-11-09 03:03:40,614 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,616 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,636 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,297 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:41,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:03:41,468 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_init_copy_harness_negated.i[4496,4509] [2024-11-09 03:03:41,468 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_init_copy_harness_negated.i[4556,4569] [2024-11-09 03:03:41,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,522 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 03:03:41,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 03:03:41,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:42,082 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:03:42,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42 WrapperNode [2024-11-09 03:03:42,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:42,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:42,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:03:42,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:03:42,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,332 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 948 [2024-11-09 03:03:42,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:42,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:03:42,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:03:42,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:03:42,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,447 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [257, 2, 238, 6, 63]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 6, 0, 9]. The 503 writes are split as follows [257, 0, 232, 2, 12]. [2024-11-09 03:03:42,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:03:42,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:03:42,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:03:42,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:03:42,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (1/1) ... [2024-11-09 03:03:42,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:42,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:03:42,611 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) [2024-11-09 03:03:42,614 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 [2024-11-09 03:03:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:03:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:03:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:03:42,665 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:03:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:03:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:03:42,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:03:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:03:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:03:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:03:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:03:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:03:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:03:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:03:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:03:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:03:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:03:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:03:42,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:03:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:03:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:03:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:03:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:03:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 03:03:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 03:03:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 03:03:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-09 03:03:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-09 03:03:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 03:03:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 03:03:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 03:03:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-09 03:03:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-09 03:03:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:03:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:03:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:03:42,674 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:03:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:03:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:03:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:03:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:03:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:03:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:03:42,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:03:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:03:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:03:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:03:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:03:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:03:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:03:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:03:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:03:43,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:03:43,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:03:51,791 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2024-11-09 03:03:51,792 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:03:51,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:03:51,814 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-09 03:03:51,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:51 BoogieIcfgContainer [2024-11-09 03:03:51,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:03:51,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:03:51,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:03:51,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:03:51,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:03:39" (1/3) ... [2024-11-09 03:03:51,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a96ad4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:51, skipping insertion in model container [2024-11-09 03:03:51,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:42" (2/3) ... [2024-11-09 03:03:51,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a96ad4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:51, skipping insertion in model container [2024-11-09 03:03:51,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:51" (3/3) ... [2024-11-09 03:03:51,826 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2024-11-09 03:03:51,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:03:51,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:03:51,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:03:51,939 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;@194894f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:03:51,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:03:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-09 03:03:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 03:03:51,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:03:51,962 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 03:03:51,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:03:51,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:03:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1965116141, now seen corresponding path program 1 times [2024-11-09 03:03:51,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:03:51,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39922350] [2024-11-09 03:03:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:03:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:05:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:05:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:05:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:05:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:05:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:05:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:05:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:05:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:05:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 03:05:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-09 03:05:11,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39922350] [2024-11-09 03:05:11,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39922350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:11,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:11,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:05:11,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719550617] [2024-11-09 03:05:11,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:11,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:05:11,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:11,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:05:11,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:11,604 INFO L87 Difference]: Start difference. First operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 03:05:15,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []