./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.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.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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:00:10,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:00:10,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:00:10,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:00:10,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:00:10,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:00:10,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:00:10,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:00:10,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:00:10,898 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:00:10,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:00:10,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:00:10,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:00:10,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:00:10,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:00:10,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:00:10,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:00:10,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:00:10,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:00:10,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:00:10,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:00:10,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:00:10,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:00:10,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:00:10,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:00:10,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:00:10,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:00:10,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:00:10,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:00:10,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:00:10,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:00:10,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:00:10,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:00:10,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:00:10,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:00:10,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:00:10,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:00:10,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:00:10,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:00:10,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2024-11-09 03:00:11,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:00:11,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:00:11,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:00:11,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:00:11,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:00:11,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-09 03:00:13,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:00:13,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:00:13,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2024-11-09 03:00:13,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9792566/74b1b4b50f114fe4bea417c8c749458a/FLAG2ba3ad55c [2024-11-09 03:00:13,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9792566/74b1b4b50f114fe4bea417c8c749458a [2024-11-09 03:00:13,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:00:13,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:00:13,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:00:13,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:00:13,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:00:13,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:13" (1/1) ... [2024-11-09 03:00:13,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64211b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:13, skipping insertion in model container [2024-11-09 03:00:13,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:00:13" (1/1) ... [2024-11-09 03:00:13,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:00:14,186 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.i[4493,4506] [2024-11-09 03:00:14,200 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.i[4553,4566] [2024-11-09 03:00:16,269 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,272 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,273 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:16,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:00:17,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:00:17,218 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.i[4493,4506] [2024-11-09 03:00:17,218 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.i[4553,4566] [2024-11-09 03:00:17,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-09 03:00:17,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:00:17,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-09 03:00:17,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:00:17,711 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:00:17,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17 WrapperNode [2024-11-09 03:00:17,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:00:17,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:00:17,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:00:17,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:00:17,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:17,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:17,912 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2024-11-09 03:00:17,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:00:17,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:00:17,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:00:17,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:00:17,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:17,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:17,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,021 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 238, 9, 33, 22, 4, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 4, 2, 2, 5]. The 494 writes are split as follows [257, 0, 232, 0, 3, 1, 0, 1]. [2024-11-09 03:00:18,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:00:18,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:00:18,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:00:18,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:00:18,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (1/1) ... [2024-11-09 03:00:18,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:00:18,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:00:18,213 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 03:00:18,216 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 03:00:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:00:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:00:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:00:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:00:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:00:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:00:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:00:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2024-11-09 03:00:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2024-11-09 03:00:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:00:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:00:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:00:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:00:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:00:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:00:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:00:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:00:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:00:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:00:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:00:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:00:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:00:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:00:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:00:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:00:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:00:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:00:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:00:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:00:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:00:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:00:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:00:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:00:18,279 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:00:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:00:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:00:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:00:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:00:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:00:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:00:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:00:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:00:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:00:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:00:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:00:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:00:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:00:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:00:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:00:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:00:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:00:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:00:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:00:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-09 03:00:18,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-09 03:00:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:00:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:00:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:00:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:00:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:00:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:00:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:00:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:00:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:00:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:00:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:00:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:00:18,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:00:18,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:00:27,514 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-09 03:00:27,515 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:00:27,538 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:00:27,538 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:00:27,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:27 BoogieIcfgContainer [2024-11-09 03:00:27,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:00:27,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:00:27,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:00:27,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:00:27,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:00:13" (1/3) ... [2024-11-09 03:00:27,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207eb46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:27, skipping insertion in model container [2024-11-09 03:00:27,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:00:17" (2/3) ... [2024-11-09 03:00:27,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207eb46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:00:27, skipping insertion in model container [2024-11-09 03:00:27,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:00:27" (3/3) ... [2024-11-09 03:00:27,550 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2024-11-09 03:00:27,569 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:00:27,570 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:00:27,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:00:27,667 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;@69e7a536, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:00:27,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:00:27,675 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 03:00:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 03:00:27,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:00:27,693 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 03:00:27,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:00:27,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:00:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1551601725, now seen corresponding path program 1 times [2024-11-09 03:00:27,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:00:27,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910740647] [2024-11-09 03:00:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:00:27,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:01:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:01:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:01:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:01:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:01:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:01:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:01:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:01:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:01:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:01:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 03:01:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 03:01:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:01:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:01:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:01:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:01:43,629 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 03:01:43,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:01:43,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910740647] [2024-11-09 03:01:43,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910740647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:01:43,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:01:43,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:01:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635440328] [2024-11-09 03:01:43,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:01:43,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:01:43,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:01:43,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:01:43,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:01:43,666 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 03:01:47,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []