./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_ring_buffer_acquire_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 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:23:17,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:23:17,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:23:17,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:23:17,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:23:17,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:23:17,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:23:17,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:23:17,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:23:17,244 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:23:17,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:23:17,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:23:17,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:23:17,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:23:17,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:23:17,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:17,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:23:17,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:23:17,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:23:17,246 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 -> 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 [2025-02-06 05:23:17,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:23:17,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:23:17,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:23:17,485 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:23:17,485 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:23:17,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2025-02-06 05:23:18,742 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f976943d9/7b6eecbbf5a74354ae49a01350481f60/FLAG4e4e2e5b5 [2025-02-06 05:23:19,254 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:23:19,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2025-02-06 05:23:19,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f976943d9/7b6eecbbf5a74354ae49a01350481f60/FLAG4e4e2e5b5 [2025-02-06 05:23:19,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f976943d9/7b6eecbbf5a74354ae49a01350481f60 [2025-02-06 05:23:19,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:23:19,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:23:19,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:23:19,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:23:19,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:23:19,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:23:19" (1/1) ... [2025-02-06 05:23:19,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f43a287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:19, skipping insertion in model container [2025-02-06 05:23:19,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:23:19" (1/1) ... [2025-02-06 05:23:19,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:23:19,594 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_ring_buffer_acquire_harness_negated.i[4497,4510] [2025-02-06 05:23:19,600 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_ring_buffer_acquire_harness_negated.i[4557,4570] [2025-02-06 05:23:20,036 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,037 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:23:20,617 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:23:20,632 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_ring_buffer_acquire_harness_negated.i[4497,4510] [2025-02-06 05:23:20,636 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_ring_buffer_acquire_harness_negated.i[4557,4570] [2025-02-06 05:23:20,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:23:20,792 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,792 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:20,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2025-02-06 05:23:20,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:23:21,050 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:23:21,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21 WrapperNode [2025-02-06 05:23:21,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:23:21,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:23:21,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:23:21,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:23:21,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,195 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2025-02-06 05:23:21,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:23:21,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:23:21,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:23:21,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:23:21,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,283 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 243, 68, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 11, 10, 4]. The 515 writes are split as follows [0, 257, 232, 4, 22]. [2025-02-06 05:23:21,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,341 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:23:21,378 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:23:21,378 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:23:21,378 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:23:21,379 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (1/1) ... [2025-02-06 05:23:21,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:21,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:21,403 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) [2025-02-06 05:23:21,412 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 [2025-02-06 05:23:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:23:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:23:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:23:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:23:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:23:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-06 05:23:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-06 05:23:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:23:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:23:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:23:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:23:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:23:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:23:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-06 05:23:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:23:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:23:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:23:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:23:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:23:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:23:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:23:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:23:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:23:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:23:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:23:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-06 05:23:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-06 05:23:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:23:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:23:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-06 05:23:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-06 05:23:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:23:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:23:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:23:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:23:21,668 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:23:21,670 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:23:21,692 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:23:21,722 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8769: havoc #t~mem1324.base, #t~mem1324.offset;havoc #t~mem1325.base, #t~mem1325.offset;havoc #t~short1326;havoc #t~mem1327.base, #t~mem1327.offset;havoc #t~short1328;havoc #t~mem1329.base, #t~mem1329.offset;havoc #t~mem1330.base, #t~mem1330.offset;havoc #t~short1331;havoc #t~mem1332.base, #t~mem1332.offset;havoc #t~mem1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~short1335; [2025-02-06 05:23:21,724 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:23:21,725 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:23:21,781 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-02-06 05:23:21,813 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-06 05:23:21,818 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:23:21,838 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-06 05:23:21,849 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-06 05:23:21,860 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-02-06 05:23:21,886 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2025-02-06 05:23:21,901 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8199: havoc #t~mem1063;havoc #t~mem1064.base, #t~mem1064.offset;havoc #t~mem1065;havoc #t~mem1066.base, #t~mem1066.offset;call ULTIMATE.dealloc(~#buf~2.base, ~#buf~2.offset);havoc ~#buf~2.base, ~#buf~2.offset; [2025-02-06 05:23:21,908 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-06 05:23:28,557 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8612: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-02-06 05:23:28,557 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8598-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-02-06 05:23:28,557 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8606: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-02-06 05:23:28,557 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8656: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-02-06 05:23:28,697 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2025-02-06 05:23:28,698 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:23:28,721 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:23:28,721 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:23:28,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:23:28 BoogieIcfgContainer [2025-02-06 05:23:28,722 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:23:28,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:23:28,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:23:28,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:23:28,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:23:19" (1/3) ... [2025-02-06 05:23:28,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ebadbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:23:28, skipping insertion in model container [2025-02-06 05:23:28,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:21" (2/3) ... [2025-02-06 05:23:28,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ebadbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:23:28, skipping insertion in model container [2025-02-06 05:23:28,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:23:28" (3/3) ... [2025-02-06 05:23:28,729 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness_negated.i [2025-02-06 05:23:28,740 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:23:28,741 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness_negated.i that has 22 procedures, 416 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-02-06 05:23:28,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:23:28,791 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;@2d36dd0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:23:28,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 05:23:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 416 states, 244 states have (on average 1.2172131147540983) internal successors, (297), 249 states have internal predecessors, (297), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2025-02-06 05:23:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 05:23:28,802 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:23:28,802 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:23:28,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-06 05:23:28,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:23:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1250369253, now seen corresponding path program 1 times [2025-02-06 05:23:28,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:23:28,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021338192] [2025-02-06 05:23:28,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:23:28,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:24:35,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 05:24:35,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 05:24:35,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:24:35,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:24:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-06 05:24:36,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:24:36,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021338192] [2025-02-06 05:24:36,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021338192] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:24:36,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120596905] [2025-02-06 05:24:36,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:24:36,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:24:36,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:24:36,162 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) [2025-02-06 05:24:36,162 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