./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_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_append_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 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:00:14,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:00:14,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:00:14,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:00:14,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:00:14,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:00:14,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:00:14,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:00:14,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:00:14,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:00:14,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:00:14,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:00:14,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:00:14,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:00:14,662 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:00:14,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:00:14,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:00:14,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:00:14,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:00:14,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:00:14,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:00:14,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:00:14,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:00:14,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:00:14,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:00:14,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:00:14,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:00:14,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:00:14,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:00:14,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:00:14,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:00:14,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:00:14,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:00:14,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:00:14,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:00:14,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:00:14,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:00:14,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:00:14,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:00:14,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 [2024-11-09 03:00:14,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:00:14,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:00:14,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:00:14,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:00:14,941 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:00:14,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2024-11-09 03:00:16,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:00:16,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:00:16,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2024-11-09 03:00:17,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a2f623c/b0a54e75bfe149e2aa89ed5eaee30ef7/FLAG6bc010058 [2024-11-09 03:00:17,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a2f623c/b0a54e75bfe149e2aa89ed5eaee30ef7 [2024-11-09 03:00:17,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:00:17,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:00:17,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:00:17,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:00:17,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:00:17,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:17,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec1fe48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17, skipping insertion in model container [2024-11-09 03:00:17,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:17,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:00:17,575 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_append_harness_negated.i[4493,4506] [2024-11-09 03:00:17,585 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_append_harness_negated.i[4553,4566] [2024-11-09 03:00:18,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:18,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:00:18,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:00:18,953 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_append_harness_negated.i[4493,4506] [2024-11-09 03:00:18,957 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_append_harness_negated.i[4553,4566] [2024-11-09 03:00:19,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,018 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 03:00:19,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:19,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 03:00:19,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:00:19,459 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:00:19,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19 WrapperNode [2024-11-09 03:00:19,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:00:19,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:00:19,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:00:19,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:00:19,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,661 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-09 03:00:19,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:00:19,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:00:19,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:00:19,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:00:19,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,773 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [2, 257, 238, 9, 9, 22, 33, 4]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 5, 4, 2, 4, 2]. The 494 writes are split as follows [0, 257, 232, 1, 0, 1, 3, 0]. [2024-11-09 03:00:19,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:00:19,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:00:19,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:00:19,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:00:19,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (1/1) ... [2024-11-09 03:00:19,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:00:19,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:00:19,956 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 03:00:19,961 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 03:00:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:00:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:00:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:00:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:00:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:00:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:00:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:00:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-09 03:00:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-09 03:00:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:00:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:00:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:00:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:00:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:00:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:00:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:00:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:00:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:00:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:00:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:00:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:00:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:00:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:00:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:00:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:00:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:00:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:00:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:00:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:00:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:00:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:00:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:00:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:00:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:00:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:00:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:00:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:00:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:00:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:00:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:00:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:00:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:00:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:00:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:00:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:00:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:00:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:00:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:00:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:00:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:00:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:00:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:00:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:00:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:00:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:00:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:00:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:00:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:00:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-09 03:00:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-09 03:00:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:00:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:00:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:00:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:00:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:00:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:00:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:00:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:00:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:00:20,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:00:20,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:00:29,285 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-09 03:00:29,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:00:29,309 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:00:29,309 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:00:29,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:29 BoogieIcfgContainer [2024-11-09 03:00:29,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:00:29,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:00:29,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:00:29,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:00:29,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:00:17" (1/3) ... [2024-11-09 03:00:29,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce1a678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:29, skipping insertion in model container [2024-11-09 03:00:29,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:19" (2/3) ... [2024-11-09 03:00:29,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce1a678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:29, skipping insertion in model container [2024-11-09 03:00:29,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:29" (3/3) ... [2024-11-09 03:00:29,322 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2024-11-09 03:00:29,339 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:00:29,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:00:29,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:00:29,435 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;@a27657d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:00:29,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:00:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 108 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 03:00:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 03:00:29,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:00:29,458 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:00:29,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:00:29,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:00:29,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1551601725, now seen corresponding path program 1 times [2024-11-09 03:00:29,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:00:29,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446242439] [2024-11-09 03:00:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:00:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:01:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:01:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:01:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:01:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:01:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:01:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:01:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:01:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:01:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:01:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 03:01:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 03:01:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:01:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:01:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:01:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-09 03:01:49,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:01:49,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446242439] [2024-11-09 03:01:49,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446242439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:01:49,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:01:49,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:01:49,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390242203] [2024-11-09 03:01:49,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:01:49,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:01:49,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:01:49,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:01:49,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:01:49,470 INFO L87 Difference]: Start difference. First operand has 170 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 108 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-09 03:01:53,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []