./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 10:03:56,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:03:56,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:03:56,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:03:56,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:03:56,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:03:56,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:03:56,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:03:56,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:03:56,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:03:56,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:03:56,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:03:56,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:03:56,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:03:56,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:03:56,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:03:56,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:03:56,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:03:56,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:03:56,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:03:56,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:03:56,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:03:56,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:03:56,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:03:56,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:03:56,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:03:56,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:03:56,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:03:56,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:03:56,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:03:56,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:03:56,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:03:56,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:03:56,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:03:56,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:03:56,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:03:56,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:03:56,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:03:56,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:03:56,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2024-11-20 10:03:56,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:03:56,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:03:56,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:03:56,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:03:56,807 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:03:56,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-20 10:03:58,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:03:59,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:03:59,006 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-20 10:03:59,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c57a617a/1fa7a416b76d4bbcbea22c5c02da292c/FLAG1daeb991c [2024-11-20 10:03:59,087 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c57a617a/1fa7a416b76d4bbcbea22c5c02da292c [2024-11-20 10:03:59,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:03:59,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:03:59,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:03:59,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:03:59,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:03:59,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:03:59" (1/1) ... [2024-11-20 10:03:59,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6861b2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:03:59, skipping insertion in model container [2024-11-20 10:03:59,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:03:59" (1/1) ... [2024-11-20 10:03:59,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:03:59,579 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] [2024-11-20 10:03:59,587 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] [2024-11-20 10:04:00,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:00,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:04:01,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:04:01,422 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] [2024-11-20 10:04:01,426 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] [2024-11-20 10:04:01,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,485 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,486 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,502 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-20 10:04:01,777 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:04:01,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-20 10:04:01,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:04:02,074 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:04:02,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02 WrapperNode [2024-11-20 10:04:02,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:04:02,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:04:02,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:04:02,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:04:02,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,286 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-20 10:04:02,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:04:02,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:04:02,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:04:02,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:04:02,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,396 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 38, 6, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 2, 0, 0]. [2024-11-20 10:04:02,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:04:02,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:04:02,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:04:02,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:04:02,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (1/1) ... [2024-11-20 10:04:02,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:04:02,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:04:02,525 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) [2024-11-20 10:04:02,527 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 [2024-11-20 10:04:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:04:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:04:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:04:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:04:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:04:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:04:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:04:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:04:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:04:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:04:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:04:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:04:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-20 10:04:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-20 10:04:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:04:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:04:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:04:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:04:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 10:04:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:04:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:04:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:04:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:04:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:04:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:04:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:04:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:04:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:04:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:04:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:04:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:04:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-20 10:04:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:04:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:04:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:04:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-20 10:04:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:04:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:04:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:04:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:04:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:04:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:04:02,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:04:02,975 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:04:11,241 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-20 10:04:11,241 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:04:11,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:04:11,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:04:11,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:04:11 BoogieIcfgContainer [2024-11-20 10:04:11,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:04:11,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:04:11,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:04:11,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:04:11,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:03:59" (1/3) ... [2024-11-20 10:04:11,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db964fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:04:11, skipping insertion in model container [2024-11-20 10:04:11,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:04:02" (2/3) ... [2024-11-20 10:04:11,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db964fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:04:11, skipping insertion in model container [2024-11-20 10:04:11,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:04:11" (3/3) ... [2024-11-20 10:04:11,263 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2024-11-20 10:04:11,279 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:04:11,280 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:04:11,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:04:11,357 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;@7a314adf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:04:11,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:04:11,363 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) [2024-11-20 10:04:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 10:04:11,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:04:11,380 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] [2024-11-20 10:04:11,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:04:11,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:04:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-20 10:04:11,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:04:11,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932070971] [2024-11-20 10:04:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:04:11,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:05:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:34,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:05:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:34,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:05:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:34,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:05:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:34,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:05:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:05:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 10:05:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 10:05:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 10:05:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 10:05:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:05:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 10:05:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 10:05:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 10:05:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 10:05:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:05:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:05:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 10:05:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:05:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-20 10:05:35,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:05:35,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932070971] [2024-11-20 10:05:35,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932070971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:05:35,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:05:35,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 10:05:35,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215419170] [2024-11-20 10:05:35,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:05:35,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 10:05:35,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:05:35,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 10:05:35,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 10:05:35,418 INFO L87 Difference]: Start difference. First 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) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)