./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 803cd42f 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 ../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-803cd42-m [2024-11-22 14:12:41,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:12:41,543 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:12:41,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:12:41,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:12:41,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:12:41,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:12:41,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:12:41,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:12:41,578 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:12:41,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:12:41,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:12:41,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:12:41,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:12:41,580 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:12:41,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:12:41,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:12:41,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:12:41,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:12:41,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:12:41,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:12:41,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:12:41,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:12:41,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:12:41,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:12:41,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:12:41,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:12:41,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:12:41,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:12:41,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:12:41,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:12:41,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:12:41,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:12:41,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:12:41,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:12:41,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:12:41,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:12:41,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:12:41,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:12:41,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2024-11-22 14:12:41,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:12:41,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:12:41,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:12:41,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:12:41,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:12:41,841 INFO L431 ainManager$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 [2024-11-22 14:12:43,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:12:43,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:12:43,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2024-11-22 14:12:43,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6090675/501303b752194d2ca28798fc962b265a/FLAG59a887099 [2024-11-22 14:12:43,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be6090675/501303b752194d2ca28798fc962b265a [2024-11-22 14:12:43,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:12:43,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:12:43,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:12:43,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:12:43,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:12:43,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:12:43" (1/1) ... [2024-11-22 14:12:43,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206b788f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:43, skipping insertion in model container [2024-11-22 14:12:43,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:12:43" (1/1) ... [2024-11-22 14:12:43,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:12:43,908 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] [2024-11-22 14:12:43,916 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] [2024-11-22 14:12:44,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:44,560 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:12:45,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:12:45,124 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] [2024-11-22 14:12:45,125 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] [2024-11-22 14:12:45,164 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,164 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,172 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,172 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-22 14:12:45,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:12:45,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-22 14:12:45,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:12:45,469 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:12:45,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45 WrapperNode [2024-11-22 14:12:45,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:12:45,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:12:45,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:12:45,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:12:45,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,615 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-22 14:12:45,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:12:45,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:12:45,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:12:45,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:12:45,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,684 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 38, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3, 0]. [2024-11-22 14:12:45,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:12:45,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:12:45,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:12:45,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:12:45,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (1/1) ... [2024-11-22 14:12:45,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:12:45,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:12:45,793 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) [2024-11-22 14:12:45,796 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 [2024-11-22 14:12:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:12:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:12:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:12:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:12:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:12:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:12:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-22 14:12:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:12:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:12:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:12:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:12:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:12:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:12:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:12:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:12:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:12:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:12:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:12:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:12:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:12:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:12:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:12:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:12:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:12:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:12:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:12:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-22 14:12:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:12:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:12:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-22 14:12:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:12:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:12:46,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:12:46,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:12:52,870 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-22 14:12:52,870 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:12:52,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:12:52,889 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:12:52,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:12:52 BoogieIcfgContainer [2024-11-22 14:12:52,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:12:52,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:12:52,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:12:52,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:12:52,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:12:43" (1/3) ... [2024-11-22 14:12:52,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9da41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:12:52, skipping insertion in model container [2024-11-22 14:12:52,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:12:45" (2/3) ... [2024-11-22 14:12:52,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9da41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:12:52, skipping insertion in model container [2024-11-22 14:12:52,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:12:52" (3/3) ... [2024-11-22 14:12:52,900 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2024-11-22 14:12:52,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:12:52,913 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:12:52,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:12:52,974 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;@5094558f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:12:52,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:12:52,979 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) [2024-11-22 14:12:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 14:12:52,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:12:52,992 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] [2024-11-22 14:12:52,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:12:52,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:12:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-22 14:12:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:12:53,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758523610] [2024-11-22 14:12:53,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:12:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:14:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:14:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-22 14:14:07,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:14:07,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758523610] [2024-11-22 14:14:07,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758523610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:14:07,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950558642] [2024-11-22 14:14:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:14:07,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:14:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:14:07,207 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) [2024-11-22 14:14:07,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process