./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.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_string_eq_byte_buf_harness_negated.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 c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:30:48,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:30:48,059 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:30:48,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:30:48,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:30:48,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:30:48,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:30:48,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:30:48,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:30:48,090 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:30:48,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:30:48,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:30:48,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:30:48,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:30:48,091 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:30:48,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:30:48,092 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:30:48,092 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:48,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:48,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:30:48,093 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:30:48,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:30:48,095 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 -> c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d [2025-01-09 17:30:48,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:30:48,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:30:48,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:30:48,345 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:30:48,345 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:30:48,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2025-01-09 17:30:49,495 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/be14c8ed8/31e619f7704445f3a23766ad9504d051/FLAG4509e750e [2025-01-09 17:30:49,981 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:30:49,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2025-01-09 17:30:50,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/be14c8ed8/31e619f7704445f3a23766ad9504d051/FLAG4509e750e [2025-01-09 17:30:50,082 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/be14c8ed8/31e619f7704445f3a23766ad9504d051 [2025-01-09 17:30:50,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:30:50,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:30:50,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:30:50,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:30:50,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:30:50,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:30:50" (1/1) ... [2025-01-09 17:30:50,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b13552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:50, skipping insertion in model container [2025-01-09 17:30:50,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:30:50" (1/1) ... [2025-01-09 17:30:50,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:30:50,371 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_string_eq_byte_buf_harness_negated.i[4496,4509] [2025-01-09 17:30:50,377 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_string_eq_byte_buf_harness_negated.i[4556,4569] [2025-01-09 17:30:51,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,381 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:51,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:30:52,076 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:30:52,085 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_string_eq_byte_buf_harness_negated.i[4496,4509] [2025-01-09 17:30:52,087 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_string_eq_byte_buf_harness_negated.i[4556,4569] [2025-01-09 17:30:52,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-01-09 17:30:52,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:52,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-01-09 17:30:52,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:30:52,399 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:30:52,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52 WrapperNode [2025-01-09 17:30:52,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:30:52,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:30:52,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:30:52,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:30:52,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,525 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-01-09 17:30:52,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:30:52,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:30:52,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:30:52,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:30:52,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,613 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 20, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 16, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3]. [2025-01-09 17:30:52,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,640 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:30:52,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:30:52,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:30:52,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:30:52,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (1/1) ... [2025-01-09 17:30:52,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:52,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:30:52,697 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 17:30:52,701 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 17:30:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:30:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:30:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:30:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:30:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:30:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:30:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:30:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:30:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:30:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:30:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:30:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:30:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:30:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:30:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:30:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:30:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:30:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:30:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:30:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:30:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:30:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:30:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:30:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:30:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:30:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:30:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:30:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:30:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:30:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:30:52,929 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:30:52,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:30:59,780 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2025-01-09 17:30:59,781 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:30:59,793 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:30:59,794 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:30:59,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:30:59 BoogieIcfgContainer [2025-01-09 17:30:59,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:30:59,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:30:59,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:30:59,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:30:59,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:30:50" (1/3) ... [2025-01-09 17:30:59,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f328439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:30:59, skipping insertion in model container [2025-01-09 17:30:59,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:52" (2/3) ... [2025-01-09 17:30:59,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f328439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:30:59, skipping insertion in model container [2025-01-09 17:30:59,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:30:59" (3/3) ... [2025-01-09 17:30:59,801 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness_negated.i [2025-01-09 17:30:59,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:30:59,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness_negated.i that has 11 procedures, 130 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:30:59,858 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:30:59,866 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;@7ce0c869, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:30:59,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:30:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-09 17:30:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 17:30:59,878 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:59,878 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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 17:30:59,879 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:30:59,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2025-01-09 17:30:59,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:59,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515053134] [2025-01-09 17:30:59,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:32:10,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 17:32:10,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 17:32:10,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:32:10,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:32:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-09 17:32:11,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:32:11,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515053134] [2025-01-09 17:32:11,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515053134] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:32:11,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440301233] [2025-01-09 17:32:11,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:32:11,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:32:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:32:11,402 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 17:32:11,407 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