./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_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_string_eq_byte_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:26:03,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:26:03,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:26:03,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:26:03,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:26:03,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:26:03,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:26:03,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:26:03,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:26:03,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:26:03,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:26:03,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:26:03,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:26:03,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:26:03,139 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:26:03,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:26:03,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:26:03,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:26:03,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:26:03,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:26:03,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:26:03,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:26:03,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:26:03,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:26:03,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:26:03,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:26:03,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:26:03,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:26:03,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:26:03,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:26:03,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:26:03,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:26:03,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:26:03,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:26:03,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:26:03,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:26:03,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:26:03,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:26:03,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:26:03,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2024-11-19 02:26:03,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:26:03,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:26:03,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:26:03,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:26:03,427 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:26:03,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-19 02:26:04,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:26:05,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:26:05,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-19 02:26:05,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca9a7027/806a6ceb377a4a62b8fef1a0fcf9cd85/FLAGfbb09b9a1 [2024-11-19 02:26:05,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca9a7027/806a6ceb377a4a62b8fef1a0fcf9cd85 [2024-11-19 02:26:05,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:26:05,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:26:05,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:26:05,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:26:05,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:26:05,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:05" (1/1) ... [2024-11-19 02:26:05,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d6880f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:05, skipping insertion in model container [2024-11-19 02:26:05,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:05" (1/1) ... [2024-11-19 02:26:05,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:26:05,809 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_string_eq_byte_cursor_harness.i[4499,4512] [2024-11-19 02:26:05,822 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_string_eq_byte_cursor_harness.i[4559,4572] [2024-11-19 02:26:06,489 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,489 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,490 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,508 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:26:07,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:26:07,273 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_string_eq_byte_cursor_harness.i[4499,4512] [2024-11-19 02:26:07,275 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_string_eq_byte_cursor_harness.i[4559,4572] [2024-11-19 02:26:07,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-19 02:26:07,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:07,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-19 02:26:07,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:26:07,931 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:26:07,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07 WrapperNode [2024-11-19 02:26:07,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:26:07,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:26:07,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:26:07,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:26:07,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,157 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-19 02:26:08,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:26:08,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:26:08,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:26:08,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:26:08,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,279 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 238, 16, 5, 13, 12]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 6, 16, 5, 2, 0]. The 493 writes are split as follows [0, 257, 232, 0, 0, 1, 3]. [2024-11-19 02:26:08,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:26:08,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:26:08,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:26:08,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:26:08,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (1/1) ... [2024-11-19 02:26:08,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:26:08,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:26:08,409 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 02:26:08,411 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 02:26:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:26:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:26:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:26:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:26:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:26:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:26:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:26:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:26:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:26:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:26:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:26:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:26:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:26:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:26:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:26:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:26:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:26:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:26:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:26:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:26:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:26:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:26:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:26:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:26:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:26:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:26:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:26:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:26:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:26:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:26:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:26:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:26:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:26:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:26:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:26:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:26:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:26:08,458 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:26:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:26:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:26:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:26:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:26:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:26:08,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:26:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:26:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:26:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:26:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:26:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:26:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:26:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:26:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:26:08,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:26:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:26:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:26:08,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:26:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:26:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:26:08,464 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:26:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:26:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:26:08,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:26:08,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:26:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:26:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:26:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:26:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:26:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:26:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:26:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:26:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:26:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:26:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:26:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:26:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:26:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:26:08,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:26:08,777 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:26:16,871 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-19 02:26:16,871 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:26:16,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:26:16,891 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:26:16,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:16 BoogieIcfgContainer [2024-11-19 02:26:16,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:26:16,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:26:16,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:26:16,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:26:16,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:26:05" (1/3) ... [2024-11-19 02:26:16,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c84f8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:16, skipping insertion in model container [2024-11-19 02:26:16,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:07" (2/3) ... [2024-11-19 02:26:16,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c84f8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:16, skipping insertion in model container [2024-11-19 02:26:16,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:16" (3/3) ... [2024-11-19 02:26:16,906 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2024-11-19 02:26:16,922 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:26:16,923 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:26:16,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:26:17,005 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;@6060e8b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:26:17,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:26:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-19 02:26:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 02:26:17,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:26:17,025 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-19 02:26:17,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:26:17,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:26:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-19 02:26:17,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:26:17,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352268812] [2024-11-19 02:26:17,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:26:17,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:27:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:27:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 02:27:38,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:27:38,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352268812] [2024-11-19 02:27:38,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352268812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:27:38,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336191128] [2024-11-19 02:27:38,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:27:38,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:27:38,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:27:38,563 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 02:27:38,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process