./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_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_string_eq_byte_buf_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 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:30:43,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:30:43,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:30:43,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:30:43,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:30:43,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:30:43,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:30:43,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:30:43,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:30:43,339 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:30:43,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:30:43,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:30:43,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:30:43,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:30:43,339 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:30:43,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:30:43,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:30:43,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:30:43,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:30:43,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:30:43,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:30:43,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:30:43,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:30:43,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:30:43,342 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:30:43,342 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:30:43,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:30:43,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:30:43,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:30:43,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:43,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:30:43,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:30:43,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:30:43,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:30:43,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:43,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:30:43,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:30:43,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:30:43,345 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 -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2025-01-09 17:30:43,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:30:43,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:30:43,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:30:43,674 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:30:43,674 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:30:43,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-01-09 17:30:44,984 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/027b97ee8/b7c89fafe5f94873a4a70b5d33249fe8/FLAG8f8548ebf [2025-01-09 17:30:45,520 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:30:45,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-01-09 17:30:45,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/027b97ee8/b7c89fafe5f94873a4a70b5d33249fe8/FLAG8f8548ebf [2025-01-09 17:30:46,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/027b97ee8/b7c89fafe5f94873a4a70b5d33249fe8 [2025-01-09 17:30:46,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:30:46,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:30:46,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:30:46,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:30:46,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:30:46,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:30:46" (1/1) ... [2025-01-09 17:30:46,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378fba94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:46, skipping insertion in model container [2025-01-09 17:30:46,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:30:46" (1/1) ... [2025-01-09 17:30:46,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:30:46,363 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.i[4496,4509] [2025-01-09 17:30:46,371 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.i[4556,4569] [2025-01-09 17:30:46,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:46,956 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:30:47,632 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:30:47,649 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.i[4496,4509] [2025-01-09 17:30:47,649 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.i[4556,4569] [2025-01-09 17:30:47,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,702 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,710 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,711 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-01-09 17:30:47,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:30:47,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-01-09 17:30:47,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:30:48,030 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:30:48,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48 WrapperNode [2025-01-09 17:30:48,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:30:48,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:30:48,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:30:48,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:30:48,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,209 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-01-09 17:30:48,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:30:48,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:30:48,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:30:48,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:30:48,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,296 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 20, 16, 257, 238, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 4, 5, 0, 6, 16]. The 494 writes are split as follows [0, 2, 3, 257, 232, 0]. [2025-01-09 17:30:48,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:30:48,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:30:48,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:30:48,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:30:48,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (1/1) ... [2025-01-09 17:30:48,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:30:48,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:30:48,402 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 17:30:48,406 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 17:30:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:30:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:30:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:30:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:30:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:30:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:30:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:30:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:30:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:30:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:30:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:30:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:30:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:30:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:30:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:30:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:30:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:30:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:30:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:30:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:30:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:30:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:30:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:30:48,689 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:30:48,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:30:56,287 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2025-01-09 17:30:56,287 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:30:56,299 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:30:56,299 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:30:56,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:30:56 BoogieIcfgContainer [2025-01-09 17:30:56,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:30:56,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:30:56,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:30:56,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:30:56,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:30:46" (1/3) ... [2025-01-09 17:30:56,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f746ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:30:56, skipping insertion in model container [2025-01-09 17:30:56,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:30:48" (2/3) ... [2025-01-09 17:30:56,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f746ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:30:56, skipping insertion in model container [2025-01-09 17:30:56,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:30:56" (3/3) ... [2025-01-09 17:30:56,310 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2025-01-09 17:30:56,323 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:30:56,326 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness.i that has 11 procedures, 130 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:30:56,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:30:56,394 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;@54254771, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:30:56,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:30:56,399 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 17:30:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 17:30:56,407 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:56,408 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 17:30:56,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:30:56,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:56,415 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2025-01-09 17:30:56,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:56,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467980445] [2025-01-09 17:30:56,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:56,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:32:02,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 17:32:02,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 17:32:02,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:32:02,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:32:03,676 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 17:32:03,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:32:03,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467980445] [2025-01-09 17:32:03,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467980445] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:32:03,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817284476] [2025-01-09 17:32:03,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:32:03,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:32:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:32:03,684 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 17:32:03,685 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