./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:13:15,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:13:15,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:13:15,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:13:15,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:13:15,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:13:15,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:13:15,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:13:15,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:13:15,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:13:15,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:13:15,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:13:15,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:13:15,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:13:15,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:13:15,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:13:15,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:13:15,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:13:15,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:13:15,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:13:15,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:13:15,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:13:15,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:13:15,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:13:15,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:13:15,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:13:15,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:13:15,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:13:15,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:13:15,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:13:15,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:13:15,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:13:15,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:13:15,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:13:15,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:13:15,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:13:15,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:13:15,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:13:15,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:13:15,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2024-11-19 02:13:16,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:13:16,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:13:16,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:13:16,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:13:16,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:13:16,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-19 02:13:17,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:13:17,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:13:17,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-19 02:13:17,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78c407d3/da49472d02d44587a02c0bd7de5ee449/FLAG1a0585b6c [2024-11-19 02:13:17,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78c407d3/da49472d02d44587a02c0bd7de5ee449 [2024-11-19 02:13:17,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:13:17,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:13:17,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:13:17,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:13:17,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:13:17,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:17,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecf204f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:17, skipping insertion in model container [2024-11-19 02:13:17,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:13:17" (1/1) ... [2024-11-19 02:13:18,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:13:18,398 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_negated.i[4492,4505] [2024-11-19 02:13:18,409 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_negated.i[4552,4565] [2024-11-19 02:13:19,146 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,163 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:19,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:13:20,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:13:20,187 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_negated.i[4492,4505] [2024-11-19 02:13:20,188 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_negated.i[4552,4565] [2024-11-19 02:13:20,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,243 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-19 02:13:20,349 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:13:20,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-19 02:13:20,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:13:20,649 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:13:20,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20 WrapperNode [2024-11-19 02:13:20,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:13:20,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:13:20,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:13:20,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:13:20,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:20,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:20,853 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-19 02:13:20,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:13:20,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:13:20,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:13:20,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:13:20,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:20,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:20,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:20,963 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 38, 238, 6, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 4, 6, 0, 0, 5]. The 494 writes are split as follows [0, 257, 3, 232, 2, 0, 0]. [2024-11-19 02:13:20,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:20,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:21,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:21,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:21,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:21,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:21,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:13:21,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:13:21,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:13:21,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:13:21,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (1/1) ... [2024-11-19 02:13:21,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:13:21,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:21,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:13:21,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:13:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:13:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:13:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:13:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:13:21,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:13:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:13:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:13:21,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:13:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:13:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:13:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:13:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-19 02:13:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-19 02:13:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:13:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:13:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:13:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:13:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:13:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:13:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:13:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:13:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:13:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:13:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:13:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:13:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:13:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:13:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:13:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:13:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:13:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:13:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:13:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:13:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:13:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:13:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:13:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:13:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:13:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:13:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:13:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:13:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:13:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:13:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:13:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:13:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:13:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:13:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:13:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:13:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:13:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:13:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:13:21,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:13:21,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:13:29,552 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-19 02:13:29,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:13:29,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:13:29,570 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:13:29,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:29 BoogieIcfgContainer [2024-11-19 02:13:29,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:13:29,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:13:29,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:13:29,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:13:29,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:13:17" (1/3) ... [2024-11-19 02:13:29,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64667edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:13:29, skipping insertion in model container [2024-11-19 02:13:29,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:13:20" (2/3) ... [2024-11-19 02:13:29,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64667edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:13:29, skipping insertion in model container [2024-11-19 02:13:29,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:13:29" (3/3) ... [2024-11-19 02:13:29,582 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2024-11-19 02:13:29,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:13:29,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:13:29,672 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:13:29,679 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;@70a6ca47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:13:29,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:13:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-19 02:13:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 02:13:29,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:13:29,703 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:13:29,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:13:29,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:13:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2024-11-19 02:13:29,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:13:29,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926618736] [2024-11-19 02:13:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:29,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:14:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:14:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-19 02:14:44,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:14:44,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926618736] [2024-11-19 02:14:44,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926618736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:14:44,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262242148] [2024-11-19 02:14:44,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:14:44,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:14:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:14:44,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:14:44,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process