./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_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_release_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 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:24:09,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:24:09,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:24:09,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:24:09,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:24:09,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:24:09,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:24:09,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:24:09,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:24:09,191 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:24:09,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:24:09,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:24:09,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:24:09,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:24:09,191 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:24:09,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:24:09,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:24:09,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:24:09,194 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:24:09,194 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:24:09,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:24:09,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:24:09,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:24:09,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:24:09,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:24:09,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:24:09,196 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 -> 8d16217b02ecd6e481b32d24ab08e27bf0c28fb8762abe433cdf4ba726b5e322 [2025-02-06 05:24:09,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:24:09,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:24:09,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:24:09,468 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:24:09,469 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:24:09,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2025-02-06 05:24:10,712 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b1e635a5f/43d137aa0a3e4a359aa17eae33d55b71/FLAGfb4afca55 [2025-02-06 05:24:11,379 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:24:11,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness_negated.i [2025-02-06 05:24:11,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b1e635a5f/43d137aa0a3e4a359aa17eae33d55b71/FLAGfb4afca55 [2025-02-06 05:24:11,448 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b1e635a5f/43d137aa0a3e4a359aa17eae33d55b71 [2025-02-06 05:24:11,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:24:11,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:24:11,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:24:11,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:24:11,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:24:11,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:24:11" (1/1) ... [2025-02-06 05:24:11,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1925ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:11, skipping insertion in model container [2025-02-06 05:24:11,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:24:11" (1/1) ... [2025-02-06 05:24:11,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:24:11,827 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_release_harness_negated.i[4497,4510] [2025-02-06 05:24:11,838 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_release_harness_negated.i[4557,4570] [2025-02-06 05:24:12,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,671 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,685 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,685 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:12,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:24:13,565 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:24:13,586 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_release_harness_negated.i[4497,4510] [2025-02-06 05:24:13,586 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_release_harness_negated.i[4557,4570] [2025-02-06 05:24:13,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:24:13,808 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,809 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:24:13,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2025-02-06 05:24:13,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:24:14,061 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:24:14,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14 WrapperNode [2025-02-06 05:24:14,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:24:14,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:24:14,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:24:14,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:24:14,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,243 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1030 [2025-02-06 05:24:14,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:24:14,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:24:14,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:24:14,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:24:14,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,398 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [2, 257, 49, 243, 6, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 10, 11, 4, 4]. The 496 writes are split as follows [0, 257, 4, 232, 0, 3]. [2025-02-06 05:24:14,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:24:14,494 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:24:14,494 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:24:14,494 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:24:14,495 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (1/1) ... [2025-02-06 05:24:14,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:24:14,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:24:14,526 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 05:24:14,529 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 05:24:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:24:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:24:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:24:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:24:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:24:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-06 05:24:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-06 05:24:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-02-06 05:24:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-02-06 05:24:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:24:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:24:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:24:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:24:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:24:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:24:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:24:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:24:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:24:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2025-02-06 05:24:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:24:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-06 05:24:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:24:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:24:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:24:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:24:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:24:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:24:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:24:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-06 05:24:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-06 05:24:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-06 05:24:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:24:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:24:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:24:14,909 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:24:14,911 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:24:14,946 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:24:15,026 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8775: 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~short1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~mem1335.base, #t~mem1335.offset;havoc #t~short1336;havoc #t~mem1337.base, #t~mem1337.offset;havoc #t~mem1338;havoc #t~mem1339.base, #t~mem1339.offset;havoc #t~short1340; [2025-02-06 05:24:15,028 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:24:15,030 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:24:15,104 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 05:24:15,147 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-06 05:24:15,153 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:24:15,195 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 05:24:15,262 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-02-06 05:24:15,333 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 05:24:15,342 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9199: havoc #t~mem1365.base, #t~mem1365.offset; [2025-02-06 05:24:23,170 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9188: havoc is_front_valid_state_#t~mem1362#1.base, is_front_valid_state_#t~mem1362#1.offset; [2025-02-06 05:24:23,365 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2025-02-06 05:24:23,365 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:24:23,395 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:24:23,396 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:24:23,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:24:23 BoogieIcfgContainer [2025-02-06 05:24:23,396 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:24:23,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:24:23,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:24:23,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:24:23,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:24:11" (1/3) ... [2025-02-06 05:24:23,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5a0b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:24:23, skipping insertion in model container [2025-02-06 05:24:23,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:24:14" (2/3) ... [2025-02-06 05:24:23,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae5a0b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:24:23, skipping insertion in model container [2025-02-06 05:24:23,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:24:23" (3/3) ... [2025-02-06 05:24:23,408 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness_negated.i [2025-02-06 05:24:23,422 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:24:23,424 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_release_harness_negated.i that has 27 procedures, 342 locations, 1 initial locations, 9 loop locations, and 4 error locations. [2025-02-06 05:24:23,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:24:23,504 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;@50def418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:24:23,506 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 05:24:23,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 322 states, 206 states have (on average 1.2378640776699028) internal successors, (255), 211 states have internal predecessors, (255), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-02-06 05:24:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 05:24:23,519 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:24:23,520 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2025-02-06 05:24:23,520 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 05:24:23,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:24:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash -527377274, now seen corresponding path program 1 times [2025-02-06 05:24:23,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:24:23,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889918678] [2025-02-06 05:24:23,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:24:23,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:25:29,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 05:25:30,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 05:25:30,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:25:30,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:25:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-02-06 05:25:30,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:25:30,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889918678] [2025-02-06 05:25:30,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889918678] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:25:30,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704853265] [2025-02-06 05:25:30,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:30,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:25:30,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:30,983 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 05:25:30,985 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