./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_up_to_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 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:58:49,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:58:49,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:58:49,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:58:49,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:58:49,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:58:49,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:58:49,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:58:49,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:58:49,122 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:58:49,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:58:49,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:58:49,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:58:49,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:58:49,123 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:58:49,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:58:49,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:58:49,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:58:49,124 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:58:49,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:58:49,125 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 -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2025-02-08 01:58:49,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:58:49,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:58:49,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:58:49,357 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:58:49,357 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:58:49,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2025-02-08 01:58:50,495 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a58eba24b/1358ec9e23b148d58d0862f12ad198ed/FLAG14e0a783f [2025-02-08 01:58:51,110 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:58:51,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2025-02-08 01:58:51,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a58eba24b/1358ec9e23b148d58d0862f12ad198ed/FLAG14e0a783f [2025-02-08 01:58:51,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a58eba24b/1358ec9e23b148d58d0862f12ad198ed [2025-02-08 01:58:51,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:58:51,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:58:51,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:58:51,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:58:51,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:58:51,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:58:51" (1/1) ... [2025-02-08 01:58:51,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bc8e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:51, skipping insertion in model container [2025-02-08 01:58:51,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:58:51" (1/1) ... [2025-02-08 01:58:51,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:58:51,892 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_up_to_harness_negated.i[4503,4516] [2025-02-08 01:58:51,899 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_up_to_harness_negated.i[4563,4576] [2025-02-08 01:58:53,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:58:54,176 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:58:54,187 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_up_to_harness_negated.i[4503,4516] [2025-02-08 01:58:54,188 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_up_to_harness_negated.i[4563,4576] [2025-02-08 01:58:54,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,236 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,236 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,237 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-08 01:58:54,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:54,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2025-02-08 01:58:54,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:58:54,537 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:58:54,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54 WrapperNode [2025-02-08 01:58:54,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:58:54,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:58:54,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:58:54,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:58:54,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,651 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2025-02-08 01:58:54,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:58:54,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:58:54,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:58:54,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:58:54,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,747 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 54, 68, 243]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 4, 10, 11]. The 523 writes are split as follows [257, 0, 30, 4, 232]. [2025-02-08 01:58:54,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,800 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:58:54,841 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:58:54,842 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:58:54,842 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:58:54,843 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (1/1) ... [2025-02-08 01:58:54,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:58:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:54,874 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) [2025-02-08 01:58:54,883 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 [2025-02-08 01:58:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:58:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:58:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:58:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:58:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-08 01:58:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:58:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:58:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:58:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:58:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-08 01:58:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-08 01:58:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:58:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:58:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:58:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-08 01:58:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:58:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-08 01:58:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:58:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:58:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-08 01:58:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:58:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:58:55,189 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:58:55,193 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:58:55,238 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:58:55,293 INFO L1324 $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; [2025-02-08 01:58:55,296 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:58:55,298 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:58:55,363 INFO L1324 $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; [2025-02-08 01:58:55,381 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-08 01:58:55,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:58:55,395 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-08 01:58:55,406 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-08 01:58:55,428 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-02-08 01:58:55,476 INFO L1324 $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; [2025-02-08 01:58:55,499 INFO L1324 $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; [2025-02-08 01:58:55,510 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-08 01:59:02,385 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235: havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1388#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1389#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1390#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~short1391#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~short1392#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-1: SUMMARY for call __VERIFIER_assert((if 0 == (if !aws_ring_buffer_acquire_up_to_harness_#t~short1392#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-6: aws_ring_buffer_acquire_up_to_harness_#t~short1391#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1389#1 % 256; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-7: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1389#1 := is_middle_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-8: assume aws_ring_buffer_acquire_up_to_harness_#t~short1392#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-8: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1392#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-9: aws_ring_buffer_acquire_up_to_harness_#t~short1392#1 := 0 == aws_ring_buffer_acquire_up_to_harness_#t~ret1388#1 % 256; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-2: aws_ring_buffer_acquire_up_to_harness_#t~short1392#1 := aws_ring_buffer_acquire_up_to_harness_#t~short1391#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9169: is_empty_state_~head~3#1.base, is_empty_state_~head~3#1.offset := is_empty_state_#t~ret1353#1.base, is_empty_state_#t~ret1353#1.offset;havoc is_empty_state_#t~ret1353#1.base, is_empty_state_#t~ret1353#1.offset; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-3: aws_ring_buffer_acquire_up_to_harness_#t~short1391#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1390#1 % 256; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9169-1: SUMMARY for call is_empty_state_#t~ret1353#1.base, is_empty_state_#t~ret1353#1.offset := aws_atomic_load_ptr(is_empty_state_~ring_buf#1.base, 16 + is_empty_state_~ring_buf#1.offset); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-4: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1390#1 := is_ends_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-5: assume aws_ring_buffer_acquire_up_to_harness_#t~short1391#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-5: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1391#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9235-10: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1388#1 := is_middle_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9170: is_empty_state_~tail~3#1.base, is_empty_state_~tail~3#1.offset := is_empty_state_#t~ret1354#1.base, is_empty_state_#t~ret1354#1.offset;havoc is_empty_state_#t~ret1354#1.base, is_empty_state_#t~ret1354#1.offset;is_empty_state_#res#1 := (if 0 == (if is_empty_state_~tail~3#1.base == is_empty_state_~head~3#1.base && is_empty_state_~tail~3#1.offset == is_empty_state_~head~3#1.offset then 1 else 0) then 0 else 1); [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9170-1: SUMMARY for call is_empty_state_#t~ret1354#1.base, is_empty_state_#t~ret1354#1.offset := aws_atomic_load_ptr(is_empty_state_~ring_buf#1.base, 24 + is_empty_state_~ring_buf#1.offset); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237: havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1393#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1394#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~short1395#1; [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-1: SUMMARY for call __VERIFIER_assert((if 0 == (if !aws_ring_buffer_acquire_up_to_harness_#t~short1395#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:59:02,386 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-2: aws_ring_buffer_acquire_up_to_harness_#t~short1395#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1394#1 % 256; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-3: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1394#1 := is_ends_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1395#1; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1395#1; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-5: aws_ring_buffer_acquire_up_to_harness_#t~short1395#1 := 0 == aws_ring_buffer_acquire_up_to_harness_#t~ret1393#1 % 256; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9237-6: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1393#1 := is_ends_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-1: SUMMARY for call __VERIFIER_assert((if 0 == (if !!aws_ring_buffer_acquire_up_to_harness_#t~short1398#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-2: aws_ring_buffer_acquire_up_to_harness_#t~short1398#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1397#1 % 256; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-3: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1397#1 := is_middle_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1398#1; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1398#1; [2025-02-08 01:59:02,387 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8759: havoc aws_ring_buffer_acquire_up_to_#t~ret1323#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238: havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1396#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1397#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~short1398#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-5: aws_ring_buffer_acquire_up_to_harness_#t~short1398#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1396#1 % 256; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9238-6: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1396#1 := is_front_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8680: havoc aws_ring_buffer_acquire_up_to_~ring_space~1#1, aws_ring_buffer_acquire_up_to_~allocation_size~1#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9232: havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1381#1;assume { :begin_inline_is_empty_state } true;is_empty_state_#in~ring_buf#1.base, is_empty_state_#in~ring_buf#1.offset := aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.offset;havoc is_empty_state_#res#1;havoc is_empty_state_#t~ret1353#1.base, is_empty_state_#t~ret1353#1.offset, is_empty_state_#t~ret1354#1.base, is_empty_state_#t~ret1354#1.offset, is_empty_state_~ring_buf#1.base, is_empty_state_~ring_buf#1.offset, is_empty_state_~head~3#1.base, is_empty_state_~head~3#1.offset, is_empty_state_~tail~3#1.base, is_empty_state_~tail~3#1.offset;is_empty_state_~ring_buf#1.base, is_empty_state_~ring_buf#1.offset := is_empty_state_#in~ring_buf#1.base, is_empty_state_#in~ring_buf#1.offset; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9232-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == aws_ring_buffer_acquire_up_to_harness_#t~ret1381#1 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9232-2: aws_ring_buffer_acquire_up_to_harness_#t~ret1381#1 := aws_ring_buffer_buf_belongs_to_pool_#res#1;havoc aws_ring_buffer_buf_belongs_to_pool_#t~ret1346#1, aws_ring_buffer_buf_belongs_to_pool_#t~ret1347#1, aws_ring_buffer_buf_belongs_to_pool_#t~ret1348#1, aws_ring_buffer_buf_belongs_to_pool_#t~ret1349#1, aws_ring_buffer_buf_belongs_to_pool_#t~ret1350#1, aws_ring_buffer_buf_belongs_to_pool_~ring_buffer#1.base, aws_ring_buffer_buf_belongs_to_pool_~ring_buffer#1.offset, aws_ring_buffer_buf_belongs_to_pool_~buf#1.base, aws_ring_buffer_buf_belongs_to_pool_~buf#1.offset, aws_ring_buffer_buf_belongs_to_pool_~rval~16#1;havoc aws_ring_buffer_buf_belongs_to_pool_#in~ring_buffer#1.base, aws_ring_buffer_buf_belongs_to_pool_#in~ring_buffer#1.offset, aws_ring_buffer_buf_belongs_to_pool_#in~buf#1.base, aws_ring_buffer_buf_belongs_to_pool_#in~buf#1.offset;assume { :end_inline_aws_ring_buffer_buf_belongs_to_pool } true; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8671: havoc aws_ring_buffer_acquire_up_to_#t~ret1273#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1384#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1384#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233-5: aws_ring_buffer_acquire_up_to_harness_#t~ret1382#1 := is_empty_state_#res#1;havoc is_empty_state_#t~ret1353#1.base, is_empty_state_#t~ret1353#1.offset, is_empty_state_#t~ret1354#1.base, is_empty_state_#t~ret1354#1.offset, is_empty_state_~ring_buf#1.base, is_empty_state_~ring_buf#1.offset, is_empty_state_~head~3#1.base, is_empty_state_~head~3#1.offset, is_empty_state_~tail~3#1.base, is_empty_state_~tail~3#1.offset;havoc is_empty_state_#in~ring_buf#1.base, is_empty_state_#in~ring_buf#1.offset;assume { :end_inline_is_empty_state } true;aws_ring_buffer_acquire_up_to_harness_#t~short1384#1 := 0 == aws_ring_buffer_acquire_up_to_harness_#t~ret1382#1 % 256; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233: havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1382#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1383#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~short1384#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233-1: SUMMARY for call __VERIFIER_assert((if 0 == (if !aws_ring_buffer_acquire_up_to_harness_#t~short1384#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_up_to_#t~ret1282#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233-2: aws_ring_buffer_acquire_up_to_harness_#t~short1384#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1383#1 % 256; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9233-3: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1383#1 := is_front_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234: havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1385#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~ret1386#1;havoc aws_ring_buffer_acquire_up_to_harness_#t~short1387#1; [2025-02-08 01:59:02,388 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-5: aws_ring_buffer_acquire_up_to_harness_#t~short1387#1 := 0 == aws_ring_buffer_acquire_up_to_harness_#t~ret1385#1 % 256; [2025-02-08 01:59:02,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-6: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1385#1 := is_front_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 01:59:02,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-1: SUMMARY for call __VERIFIER_assert((if 0 == (if !aws_ring_buffer_acquire_up_to_harness_#t~short1387#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:59:02,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-2: aws_ring_buffer_acquire_up_to_harness_#t~short1387#1 := 0 != aws_ring_buffer_acquire_up_to_harness_#t~ret1386#1 % 256; [2025-02-08 01:59:02,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-3: SUMMARY for call aws_ring_buffer_acquire_up_to_harness_#t~ret1386#1 := is_front_valid_state(aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 01:59:02,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1387#1; [2025-02-08 01:59:02,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9234-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1387#1; [2025-02-08 01:59:02,553 INFO L? ?]: Removed 201 outVars from TransFormulas that were not future-live. [2025-02-08 01:59:02,553 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:59:02,577 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:59:02,578 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:59:02,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:02 BoogieIcfgContainer [2025-02-08 01:59:02,579 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:59:02,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:59:02,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:59:02,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:59:02,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:58:51" (1/3) ... [2025-02-08 01:59:02,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bef127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:02, skipping insertion in model container [2025-02-08 01:59:02,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:54" (2/3) ... [2025-02-08 01:59:02,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bef127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:02, skipping insertion in model container [2025-02-08 01:59:02,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:02" (3/3) ... [2025-02-08 01:59:02,587 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2025-02-08 01:59:02,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:59:02,597 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_up_to_harness_negated.i that has 22 procedures, 379 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-08 01:59:02,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:59:02,647 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;@14fa4bb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:59:02,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 01:59:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 208 states have (on average 1.2211538461538463) internal successors, (254), 213 states have internal predecessors, (254), 138 states have call successors, (138), 18 states have call predecessors, (138), 18 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2025-02-08 01:59:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 01:59:02,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:02,658 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1] [2025-02-08 01:59:02,658 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)] === [2025-02-08 01:59:02,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:02,662 INFO L85 PathProgramCache]: Analyzing trace with hash 103890420, now seen corresponding path program 1 times [2025-02-08 01:59:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:02,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490653567] [2025-02-08 01:59:02,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:02,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:09,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 02:00:10,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 02:00:10,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:10,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 02:00:11,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:11,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490653567] [2025-02-08 02:00:11,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490653567] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:00:11,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514875351] [2025-02-08 02:00:11,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:11,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:00:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:11,154 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) [2025-02-08 02:00:11,156 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