./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_cursor_eq_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 f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:13:12,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:13:13,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:13:13,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:13:13,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:13:13,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:13:13,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:13:13,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:13:13,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:13:13,056 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:13:13,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:13:13,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:13:13,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:13:13,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:13:13,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:13:13,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:13:13,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:13:13,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:13:13,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:13:13,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:13:13,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:13:13,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:13:13,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:13:13,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:13:13,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:13:13,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:13:13,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:13:13,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:13:13,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:13:13,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:13:13,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:13:13,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:13:13,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:13:13,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:13:13,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:13:13,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:13:13,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:13:13,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:13:13,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:13:13,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2024-11-19 02:13:13,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:13:13,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:13:13,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:13:13,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:13:13,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:13:13,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-19 02:13:14,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:13:15,282 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:13:15,283 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-19 02:13:15,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367c6c438/01ca20e929724ef58cb7b348239433bd/FLAG6b9a515e8 [2024-11-19 02:13:15,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367c6c438/01ca20e929724ef58cb7b348239433bd [2024-11-19 02:13:15,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:13:15,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:13:15,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:13:15,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:13:15,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:13:15,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:15" (1/1) ... [2024-11-19 02:13:15,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dde999e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:15, skipping insertion in model container [2024-11-19 02:13:15,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:15" (1/1) ... [2024-11-19 02:13:15,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:13:15,812 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_cursor_eq_harness.i[4492,4505] [2024-11-19 02:13:15,821 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_cursor_eq_harness.i[4552,4565] [2024-11-19 02:13:16,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:16,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:13:17,197 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:13:17,211 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_cursor_eq_harness.i[4492,4505] [2024-11-19 02:13:17,216 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_cursor_eq_harness.i[4552,4565] [2024-11-19 02:13:17,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-19 02:13:17,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:17,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-19 02:13:17,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:13:17,712 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:13:17,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17 WrapperNode [2024-11-19 02:13:17,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:13:17,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:13:17,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:13:17,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:13:17,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,880 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-19 02:13:17,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:13:17,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:13:17,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:13:17,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:13:17,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,990 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 4, 38, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2, 0]. [2024-11-19 02:13:17,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:13:18,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:13:18,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:13:18,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:13:18,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:13:18,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:18,123 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) [2024-11-19 02:13:18,126 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 [2024-11-19 02:13:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:13:18,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:13:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:13:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:13:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:13:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:13:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:13:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:13:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:13:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:13:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:13:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:13:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-19 02:13:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-19 02:13:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:13:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:13:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:13:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:13:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:13:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:13:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:13:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:13:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:13:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:13:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:13:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:13:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:13:18,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:13:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:13:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:13:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:13:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:13:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:13:18,547 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:13:18,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:13:26,796 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-19 02:13:26,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:13:26,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:13:26,814 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:13:26,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:26 BoogieIcfgContainer [2024-11-19 02:13:26,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:13:26,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:13:26,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:13:26,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:13:26,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:13:15" (1/3) ... [2024-11-19 02:13:26,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7077a3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:13:26, skipping insertion in model container [2024-11-19 02:13:26,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17" (2/3) ... [2024-11-19 02:13:26,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7077a3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:13:26, skipping insertion in model container [2024-11-19 02:13:26,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:26" (3/3) ... [2024-11-19 02:13:26,822 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2024-11-19 02:13:26,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:13:26,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:13:26,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:13:26,916 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;@59b45a31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:13:26,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:13:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 02:13:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 02:13:26,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:13:26,941 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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, 1, 1] [2024-11-19 02:13:26,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:13:26,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:13:26,949 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-19 02:13:26,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:13:26,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588966110] [2024-11-19 02:13:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:14:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:14:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-19 02:14:47,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:14:47,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588966110] [2024-11-19 02:14:47,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588966110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:14:47,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632841763] [2024-11-19 02:14:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:14:47,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:14:47,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:14:47,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:14:47,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process