./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_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 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:12:19,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:12:19,855 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:12:19,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:12:19,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:12:19,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:12:19,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:12:19,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:12:19,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:12:19,889 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:12:19,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:12:19,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:12:19,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:12:19,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:12:19,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:12:19,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:12:19,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:12:19,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:12:19,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:12:19,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:12:19,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:12:19,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:12:19,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:12:19,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:12:19,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:12:19,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:12:19,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:12:19,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:12:19,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:12:19,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:19,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:12:19,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:12:19,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:12:19,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:12:19,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:12:19,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:12:19,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:12:19,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:12:19,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:12:19,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2024-11-19 02:12:20,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:12:20,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:12:20,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:12:20,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:12:20,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:12:20,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2024-11-19 02:12:21,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:12:21,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:12:21,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2024-11-19 02:12:21,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65800dc4b/676167a43f78423497fb1563f7de07ef/FLAG0246607fa [2024-11-19 02:12:21,958 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65800dc4b/676167a43f78423497fb1563f7de07ef [2024-11-19 02:12:21,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:12:21,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:12:21,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:21,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:12:21,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:12:21,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b65cb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21, skipping insertion in model container [2024-11-19 02:12:21,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:22,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:12:22,314 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_byte_buf_harness.i[4501,4514] [2024-11-19 02:12:22,321 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_byte_buf_harness.i[4561,4574] [2024-11-19 02:12:22,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:22,828 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:23,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:12:23,379 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_byte_buf_harness.i[4501,4514] [2024-11-19 02:12:23,379 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_byte_buf_harness.i[4561,4574] [2024-11-19 02:12:23,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-19 02:12:23,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:23,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-19 02:12:23,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:23,799 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:12:23,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23 WrapperNode [2024-11-19 02:12:23,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:23,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:23,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:12:23,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:12:23,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:23,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:23,943 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2024-11-19 02:12:23,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:23,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:12:23,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:12:23,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:12:23,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:23,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:23,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,050 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [257, 2, 238, 38, 6, 9, 22]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 2, 6, 8, 0, 5, 2]. The 494 writes are split as follows [257, 0, 232, 2, 2, 0, 1]. [2024-11-19 02:12:24,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:12:24,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:12:24,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:12:24,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:12:24,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (1/1) ... [2024-11-19 02:12:24,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:24,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:24,160 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 02:12:24,161 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 02:12:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:12:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:12:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:12:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:12:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:12:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:12:24,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:12:24,200 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:12:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:12:24,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:12:24,201 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:12:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:12:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:24,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:12:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:12:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:12:24,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:12:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:12:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:12:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:12:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:12:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:12:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:12:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:12:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:12:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:12:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:12:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:12:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:12:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:12:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:12:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:12:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:12:24,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:12:24,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:12:32,015 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-19 02:12:32,015 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:12:32,027 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:12:32,027 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:12:32,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:32 BoogieIcfgContainer [2024-11-19 02:12:32,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:12:32,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:12:32,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:12:32,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:12:32,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:12:21" (1/3) ... [2024-11-19 02:12:32,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680ce313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:32, skipping insertion in model container [2024-11-19 02:12:32,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:23" (2/3) ... [2024-11-19 02:12:32,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680ce313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:32, skipping insertion in model container [2024-11-19 02:12:32,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:32" (3/3) ... [2024-11-19 02:12:32,037 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2024-11-19 02:12:32,050 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:12:32,050 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:12:32,108 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:12:32,113 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;@169c1a86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:12:32,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:12:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-19 02:12:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-19 02:12:32,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:12:32,132 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:12:32,132 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:12:32,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:12:32,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1357620753, now seen corresponding path program 1 times [2024-11-19 02:12:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:12:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214119961] [2024-11-19 02:12:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:13:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:13:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-19 02:13:46,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:13:46,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214119961] [2024-11-19 02:13:46,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214119961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:13:46,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959261531] [2024-11-19 02:13:46,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:46,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:13:46,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:46,220 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 02:13:46,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process