./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:00:59,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:00:59,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:00:59,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:00:59,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:00:59,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:00:59,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:00:59,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:00:59,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:00:59,509 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:00:59,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:00:59,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:00:59,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:00:59,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:00:59,509 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:00:59,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:00:59,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:00:59,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:00:59,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:00:59,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:00:59,512 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:00:59,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:59,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:00:59,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:00:59,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:00:59,514 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 [2025-01-09 17:00:59,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:00:59,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:00:59,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:00:59,754 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:00:59,754 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:00:59,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2025-01-09 17:01:00,890 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31736d15c/252c799487784972998f957a509050dd/FLAG54b9dc5b7 [2025-01-09 17:01:01,401 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:01:01,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2025-01-09 17:01:01,437 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31736d15c/252c799487784972998f957a509050dd/FLAG54b9dc5b7 [2025-01-09 17:01:01,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/31736d15c/252c799487784972998f957a509050dd [2025-01-09 17:01:01,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:01:01,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:01:01,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:01:01,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:01:01,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:01:01,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:01:01" (1/1) ... [2025-01-09 17:01:01,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dac3c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:01, skipping insertion in model container [2025-01-09 17:01:01,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:01:01" (1/1) ... [2025-01-09 17:01:01,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:01:01,692 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4495,4508] [2025-01-09 17:01:01,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4555,4568] [2025-01-09 17:01:02,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:01:02,694 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:01:02,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4495,4508] [2025-01-09 17:01:02,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i[4555,4568] [2025-01-09 17:01:02,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,750 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-01-09 17:01:02,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:01:02,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-01-09 17:01:02,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:01:03,076 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:01:03,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03 WrapperNode [2025-01-09 17:01:03,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:01:03,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:01:03,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:01:03,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:01:03,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,186 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2025-01-09 17:01:03,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:01:03,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:01:03,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:01:03,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:01:03,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,200 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,252 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [257, 2, 238, 6, 40, 13]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 6, 0, 8, 5]. The 493 writes are split as follows [257, 0, 232, 2, 2, 0]. [2025-01-09 17:01:03,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:01:03,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:01:03,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:01:03,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:01:03,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (1/1) ... [2025-01-09 17:01:03,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:01:03,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:01:03,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:01:03,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2025-01-09 17:01:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2025-01-09 17:01:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:01:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:01:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:01:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:01:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:01:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:01:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:01:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:01:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:01:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:01:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:01:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:01:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:01:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:01:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:01:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:01:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:01:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:01:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:01:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:01:03,618 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:01:03,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:01:10,355 INFO L? ?]: Removed 119 outVars from TransFormulas that were not future-live. [2025-01-09 17:01:10,356 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:01:10,363 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:01:10,363 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:01:10,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:01:10 BoogieIcfgContainer [2025-01-09 17:01:10,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:01:10,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:01:10,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:01:10,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:01:10,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:01:01" (1/3) ... [2025-01-09 17:01:10,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f78ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:01:10, skipping insertion in model container [2025-01-09 17:01:10,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:01:03" (2/3) ... [2025-01-09 17:01:10,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f78ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:01:10, skipping insertion in model container [2025-01-09 17:01:10,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:01:10" (3/3) ... [2025-01-09 17:01:10,369 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness.i [2025-01-09 17:01:10,378 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:01:10,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_c_str_harness.i that has 11 procedures, 138 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:01:10,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:01:10,437 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;@597b00ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:01:10,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:01:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 92 states have internal predecessors, (112), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-01-09 17:01:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-01-09 17:01:10,447 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:01:10,447 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2025-01-09 17:01:10,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:01:10,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:01:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash 904942313, now seen corresponding path program 1 times [2025-01-09 17:01:10,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:01:10,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650010007] [2025-01-09 17:01:10,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:01:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:02:20,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-09 17:02:20,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-09 17:02:20,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:02:20,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:02:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-09 17:02:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:02:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650010007] [2025-01-09 17:02:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650010007] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:02:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525383714] [2025-01-09 17:02:21,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:02:21,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:02:21,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:02:21,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:02:21,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process