./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_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_write_be16_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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:05:15,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:05:16,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:05:16,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:05:16,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:05:16,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:05:16,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:05:16,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:05:16,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:05:16,087 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:05:16,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:05:16,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:05:16,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:05:16,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:05:16,091 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:05:16,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:05:16,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:05:16,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:05:16,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:05:16,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:05:16,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:05:16,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:05:16,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:05:16,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:05:16,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:05:16,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:05:16,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:05:16,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:05:16,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:05:16,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:05:16,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:05:16,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:05:16,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:05:16,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:05:16,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:05:16,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:05:16,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:05:16,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:05:16,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:05:16,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2024-11-09 03:05:16,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:05:16,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:05:16,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:05:16,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:05:16,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:05:16,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-09 03:05:17,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:05:18,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:05:18,238 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2024-11-09 03:05:18,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4c528ca/4d4f6dbdf82d4d7089bc0608447ff4b9/FLAG402ad08ae [2024-11-09 03:05:18,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4c528ca/4d4f6dbdf82d4d7089bc0608447ff4b9 [2024-11-09 03:05:18,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:05:18,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:05:18,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:05:18,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:05:18,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:05:18,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:05:18" (1/1) ... [2024-11-09 03:05:18,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754197f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:18, skipping insertion in model container [2024-11-09 03:05:18,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:05:18" (1/1) ... [2024-11-09 03:05:18,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:05:18,806 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_write_be16_harness_negated.i[4497,4510] [2024-11-09 03:05:18,818 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_write_be16_harness_negated.i[4557,4570] [2024-11-09 03:05:19,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,552 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:19,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:05:20,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:05:20,285 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_write_be16_harness_negated.i[4497,4510] [2024-11-09 03:05:20,286 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_write_be16_harness_negated.i[4557,4570] [2024-11-09 03:05:20,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-09 03:05:20,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,618 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:20,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-09 03:05:20,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:05:20,932 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:05:20,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20 WrapperNode [2024-11-09 03:05:20,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:05:20,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:05:20,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:05:20,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:05:20,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,122 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-09 03:05:21,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:05:21,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:05:21,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:05:21,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:05:21,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,229 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 47, 4, 8, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 0, 5, 0]. The 497 writes are split as follows [0, 257, 232, 3, 2, 1, 2]. [2024-11-09 03:05:21,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:05:21,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:05:21,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:05:21,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:05:21,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (1/1) ... [2024-11-09 03:05:21,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:05:21,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:05:21,358 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 03:05:21,365 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 03:05:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:05:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:05:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:05:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:05:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:05:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:05:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:05:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:05:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:05:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:05:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:05:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:05:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:05:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:05:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:05:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:05:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:05:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:05:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:05:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:05:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:05:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:05:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:05:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:05:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:05:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:05:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:05:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:05:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:05:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:05:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:05:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:05:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:05:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:05:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:05:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:05:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 03:05:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:05:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:05:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:05:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:05:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:05:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:05:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:05:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:05:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:05:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:05:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:05:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:05:21,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:05:21,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:05:30,245 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-09 03:05:30,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:05:30,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:05:30,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:05:30,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:05:30 BoogieIcfgContainer [2024-11-09 03:05:30,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:05:30,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:05:30,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:05:30,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:05:30,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:05:18" (1/3) ... [2024-11-09 03:05:30,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5269d083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:05:30, skipping insertion in model container [2024-11-09 03:05:30,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:20" (2/3) ... [2024-11-09 03:05:30,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5269d083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:05:30, skipping insertion in model container [2024-11-09 03:05:30,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:05:30" (3/3) ... [2024-11-09 03:05:30,272 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2024-11-09 03:05:30,290 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:05:30,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:05:30,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:05:30,363 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;@5b083ce6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:05:30,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:05:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 03:05:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 03:05:30,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:30,384 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:05:30,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:30,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:30,392 INFO L85 PathProgramCache]: Analyzing trace with hash 632268755, now seen corresponding path program 1 times [2024-11-09 03:05:30,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996038895] [2024-11-09 03:05:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:06:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 03:06:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 03:06:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 03:06:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:06:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:06:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:06:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:06:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:06:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:06:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 03:06:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 03:06:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 03:06:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:06:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 03:06:51,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:06:51,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996038895] [2024-11-09 03:06:51,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996038895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:06:51,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:06:51,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:06:51,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972014871] [2024-11-09 03:06:51,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:06:51,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:06:51,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:06:51,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:06:51,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:06:51,544 INFO L87 Difference]: Start difference. First operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 03:06:55,738 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 []