./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_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_byte_buf_init_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 b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:03:16,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:03:16,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:03:16,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:03:16,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:03:16,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:03:16,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:03:16,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:03:16,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:03:16,348 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:03:16,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:03:16,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:03:16,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:03:16,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:03:16,350 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:03:16,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:03:16,351 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:16,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:16,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:16,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:03:16,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:03:16,353 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 -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2025-01-09 17:03:16,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:03:16,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:03:16,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:03:16,617 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:03:16,618 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:03:16,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-01-09 17:03:17,912 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a417072d/61d981ed11c746b5a4a5da0ec5f15116/FLAG75aa2892a [2025-01-09 17:03:18,486 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:03:18,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-01-09 17:03:18,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a417072d/61d981ed11c746b5a4a5da0ec5f15116/FLAG75aa2892a [2025-01-09 17:03:18,542 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a417072d/61d981ed11c746b5a4a5da0ec5f15116 [2025-01-09 17:03:18,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:03:18,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:03:18,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:18,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:03:18,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:03:18,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:18" (1/1) ... [2025-01-09 17:03:18,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e25bc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:18, skipping insertion in model container [2025-01-09 17:03:18,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:18" (1/1) ... [2025-01-09 17:03:18,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:03:18,901 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_init_harness_negated.i[4491,4504] [2025-01-09 17:03:18,910 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_init_harness_negated.i[4551,4564] [2025-01-09 17:03:19,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:19,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:20,183 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:03:20,195 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_init_harness_negated.i[4491,4504] [2025-01-09 17:03:20,195 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_init_harness_negated.i[4551,4564] [2025-01-09 17:03:20,244 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,256 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2025-01-09 17:03:20,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:20,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2025-01-09 17:03:20,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:20,659 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:03:20,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20 WrapperNode [2025-01-09 17:03:20,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:20,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:20,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:03:20,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:03:20,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,808 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-01-09 17:03:20,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:20,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:03:20,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:03:20,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:03:20,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,921 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2025-01-09 17:03:20,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:20,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:03:20,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:03:20,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:03:20,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:03:20,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (1/1) ... [2025-01-09 17:03:21,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:21,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:03:21,037 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 17:03:21,041 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 17:03:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:03:21,066 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:03:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:03:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:03:21,066 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:03:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:03:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:03:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:03:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:03:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:03:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:03:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:03:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:03:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:03:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:03:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:03:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:03:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:03:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:03:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:03:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:03:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:03:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:03:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:03:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:03:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:03:21,334 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:03:21,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:03:28,908 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-01-09 17:03:28,909 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:03:28,917 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:03:28,917 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:03:28,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:28 BoogieIcfgContainer [2025-01-09 17:03:28,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:03:28,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:03:28,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:03:28,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:03:28,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:03:18" (1/3) ... [2025-01-09 17:03:28,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d39c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:28, skipping insertion in model container [2025-01-09 17:03:28,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:20" (2/3) ... [2025-01-09 17:03:28,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d39c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:28, skipping insertion in model container [2025-01-09 17:03:28,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:28" (3/3) ... [2025-01-09 17:03:28,927 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2025-01-09 17:03:28,940 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:03:28,941 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness_negated.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:03:28,988 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:03:28,997 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;@6628234b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:03:28,997 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:03:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 17:03:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 17:03:29,007 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:03:29,008 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 17:03:29,008 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:03:29,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:03:29,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1960111620, now seen corresponding path program 1 times [2025-01-09 17:03:29,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:03:29,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984943929] [2025-01-09 17:03:29,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:03:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:04:36,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 17:04:36,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 17:04:36,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:04:36,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:04:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 17:04:37,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:04:37,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984943929] [2025-01-09 17:04:37,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984943929] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:04:37,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353320209] [2025-01-09 17:04:37,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:37,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:04:37,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:37,862 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 17:04:37,867 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