./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.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.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 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:58:48,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:58:48,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:58:48,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:58:48,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:58:48,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:58:48,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:58:48,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:58:48,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:58:48,725 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:58:48,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:58:48,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:58:48,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:58:48,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:58:48,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:58:48,727 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:58:48,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:58:48,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:58:48,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:58:48,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:58:48,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:58:48,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:58:48,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:58:48,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:58:48,728 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 -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2025-02-08 01:58:48,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:58:48,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:58:48,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:58:48,943 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:58:48,944 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:58:48,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2025-02-08 01:58:50,024 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/713937876/0c3e4d2be6fb41e7ae515135bed3c21a/FLAG905901b66 [2025-02-08 01:58:50,456 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:58:50,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2025-02-08 01:58:50,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/713937876/0c3e4d2be6fb41e7ae515135bed3c21a/FLAG905901b66 [2025-02-08 01:58:50,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/713937876/0c3e4d2be6fb41e7ae515135bed3c21a [2025-02-08 01:58:50,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:58:50,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:58:50,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:58:50,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:58:50,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:58:50,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:58:50" (1/1) ... [2025-02-08 01:58:50,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b28366c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:50, skipping insertion in model container [2025-02-08 01:58:50,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:58:50" (1/1) ... [2025-02-08 01:58:50,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:58:50,848 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.i[4503,4516] [2025-02-08 01:58:50,856 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.i[4563,4576] [2025-02-08 01:58:51,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,971 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:51,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:52,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:52,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:52,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:58:53,008 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:58:53,020 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.i[4503,4516] [2025-02-08 01:58:53,021 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.i[4563,4576] [2025-02-08 01:58:53,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,089 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-08 01:58:53,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:58:53,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-02-08 01:58:53,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:58:53,423 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:58:53,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53 WrapperNode [2025-02-08 01:58:53,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:58:53,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:58:53,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:58:53,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:58:53,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,543 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2025-02-08 01:58:53,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:58:53,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:58:53,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:58:53,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:58:53,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,664 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [243, 257, 2, 54, 68]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [11, 0, 2, 4, 10]. The 523 writes are split as follows [232, 257, 0, 30, 4]. [2025-02-08 01:58:53,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:58:53,727 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:58:53,727 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:58:53,727 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:58:53,728 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (1/1) ... [2025-02-08 01:58:53,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:58:53,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:58:53,754 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 01:58:53,762 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 01:58:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:58:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:58:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:58:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:58:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:58:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-08 01:58:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:58:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:58:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:58:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-08 01:58:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-08 01:58:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:58:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:58:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:58:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:58:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-08 01:58:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:58:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-08 01:58:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:58:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:58:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-08 01:58:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:58:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:58:54,068 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:58:54,071 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:58:54,119 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:58:54,154 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8801: 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 01:58:54,160 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:58:54,162 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:58:54,234 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: 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 01:58:54,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-08 01:58:54,276 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:58:54,292 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-08 01:58:54,303 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-08 01:58:54,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-02-08 01:58:54,352 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6077: 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 01:58:54,389 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8231: 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 01:58:54,403 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-08 01:59:01,282 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9202: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9202-1: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-1: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-2: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-3: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1395#1; [2025-02-08 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1395#1; [2025-02-08 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-5: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-6: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-1: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-2: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-3: 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 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1398#1; [2025-02-08 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1398#1; [2025-02-08 01:59:01,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8791: havoc aws_ring_buffer_acquire_up_to_#t~ret1323#1; [2025-02-08 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270: 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 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-5: 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 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-6: 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 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8712: havoc aws_ring_buffer_acquire_up_to_~ring_space~1#1, aws_ring_buffer_acquire_up_to_~allocation_size~1#1; [2025-02-08 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9264: 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 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9264-1: SUMMARY for call __VERIFIER_assert((if 0 == aws_ring_buffer_acquire_up_to_harness_#t~ret1381#1 % 256 then 0 else 1)); srcloc: null [2025-02-08 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9264-2: 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 01:59:01,284 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8703: havoc aws_ring_buffer_acquire_up_to_#t~ret1273#1; [2025-02-08 01:59:01,285 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1384#1; [2025-02-08 01:59:01,285 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1384#1; [2025-02-08 01:59:01,285 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265-5: 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 01:59:01,285 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265: 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 01:59:01,285 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265-1: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8720: havoc aws_ring_buffer_acquire_up_to_#t~ret1282#1; [2025-02-08 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265-2: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9265-3: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-5: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-6: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-1: 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 01:59:01,287 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-2: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-3: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-4: assume aws_ring_buffer_acquire_up_to_harness_#t~short1387#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9266-4: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1387#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-1: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-6: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-7: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-8: assume aws_ring_buffer_acquire_up_to_harness_#t~short1392#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-8: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1392#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-9: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-2: aws_ring_buffer_acquire_up_to_harness_#t~short1392#1 := aws_ring_buffer_acquire_up_to_harness_#t~short1391#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9201: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-3: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9201-1: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-4: 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 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-5: assume aws_ring_buffer_acquire_up_to_harness_#t~short1391#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-5: assume !aws_ring_buffer_acquire_up_to_harness_#t~short1391#1; [2025-02-08 01:59:01,288 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9267-10: 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 01:59:01,406 INFO L? ?]: Removed 201 outVars from TransFormulas that were not future-live. [2025-02-08 01:59:01,406 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:59:01,429 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:59:01,433 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:59:01,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:01 BoogieIcfgContainer [2025-02-08 01:59:01,434 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:59:01,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:59:01,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:59:01,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:59:01,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:58:50" (1/3) ... [2025-02-08 01:59:01,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7e49d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:01, skipping insertion in model container [2025-02-08 01:59:01,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:58:53" (2/3) ... [2025-02-08 01:59:01,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7e49d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:59:01, skipping insertion in model container [2025-02-08 01:59:01,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:59:01" (3/3) ... [2025-02-08 01:59:01,441 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2025-02-08 01:59:01,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:59:01,457 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_up_to_harness.i that has 22 procedures, 379 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-08 01:59:01,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:59:01,523 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;@3d9b4d95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:59:01,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 01:59:01,527 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 01:59:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 01:59:01,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:59:01,534 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 01:59:01,534 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 01:59:01,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:59:01,538 INFO L85 PathProgramCache]: Analyzing trace with hash 103890420, now seen corresponding path program 1 times [2025-02-08 01:59:01,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:59:01,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071821060] [2025-02-08 01:59:01,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:59:01,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:00:13,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 02:00:13,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 02:00:13,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:00:13,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:00:14,287 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 02:00:14,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:00:14,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071821060] [2025-02-08 02:00:14,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071821060] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:00:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175584235] [2025-02-08 02:00:14,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:00:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:14,291 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 02:00:14,292 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