./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 10:07:21,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 10:07:21,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 10:07:21,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 10:07:21,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 10:07:21,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 10:07:21,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 10:07:21,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 10:07:21,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 10:07:21,675 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 10:07:21,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 10:07:21,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 10:07:21,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 10:07:21,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 10:07:21,676 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 10:07:21,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 10:07:21,677 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 10:07:21,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:07:21,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 10:07:21,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 10:07:21,678 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 ! overflow) ) 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 -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2025-02-08 10:07:21,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 10:07:21,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 10:07:21,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 10:07:21,973 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 10:07:21,973 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 10:07:21,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-02-08 10:07:23,337 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/90b6d17e2/1d38610014b344f287444f164857f42c/FLAG890254b51 [2025-02-08 10:07:23,920 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 10:07:23,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-02-08 10:07:23,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/90b6d17e2/1d38610014b344f287444f164857f42c/FLAG890254b51 [2025-02-08 10:07:24,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/90b6d17e2/1d38610014b344f287444f164857f42c [2025-02-08 10:07:24,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 10:07:24,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 10:07:24,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 10:07:24,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 10:07:24,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 10:07:24,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:07:24" (1/1) ... [2025-02-08 10:07:24,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145e77ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:24, skipping insertion in model container [2025-02-08 10:07:24,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:07:24" (1/1) ... [2025-02-08 10:07:24,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 10:07:25,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:25,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,384 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:07:26,597 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 10:07:26,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,667 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,669 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,670 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-08 10:07:26,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,784 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 10:07:26,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-02-08 10:07:26,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:07:27,040 INFO L204 MainTranslator]: Completed translation [2025-02-08 10:07:27,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27 WrapperNode [2025-02-08 10:07:27,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 10:07:27,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 10:07:27,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 10:07:27,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 10:07:27,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,259 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1209 [2025-02-08 10:07:27,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 10:07:27,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 10:07:27,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 10:07:27,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 10:07:27,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,397 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 47, 68, 243]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 4, 10, 11]. The 515 writes are split as follows [0, 257, 22, 4, 232]. [2025-02-08 10:07:27,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 10:07:27,497 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 10:07:27,498 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 10:07:27,498 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 10:07:27,499 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (1/1) ... [2025-02-08 10:07:27,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:07:27,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:27,535 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 10:07:27,538 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 10:07:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 10:07:27,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 10:07:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 10:07:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 10:07:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 10:07:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-08 10:07:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-08 10:07:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 10:07:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 10:07:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 10:07:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 10:07:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 10:07:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 10:07:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 10:07:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-08 10:07:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-08 10:07:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 10:07:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-08 10:07:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 10:07:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 10:07:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-08 10:07:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 10:07:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-08 10:07:27,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 10:07:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 10:07:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-08 10:07:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 10:07:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-08 10:07:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-08 10:07:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 10:07:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 10:07:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 10:07:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 10:07:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 10:07:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-08 10:07:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-08 10:07:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-08 10:07:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-08 10:07:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-08 10:07:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 10:07:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 10:07:27,933 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 10:07:27,936 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 10:07:27,993 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 10:07:28,056 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 10:07:28,059 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 10:07:28,062 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 10:07:28,140 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 10:07:28,171 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-08 10:07:28,179 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 10:07:28,192 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 10:07:28,211 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-08 10:07:28,232 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-02-08 10:07:28,282 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 10:07:28,308 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 10:07:28,321 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-08 10:07:35,919 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9268: havoc aws_ring_buffer_acquire_harness_#t~ret1385#1;assume { :begin_inline_aws_ring_buffer_is_empty } true;aws_ring_buffer_is_empty_#in~ring_buf#1.base, aws_ring_buffer_is_empty_#in~ring_buf#1.offset := aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset;havoc aws_ring_buffer_is_empty_#res#1;havoc aws_ring_buffer_is_empty_#t~ret455#1.base, aws_ring_buffer_is_empty_#t~ret455#1.offset, aws_ring_buffer_is_empty_#t~ret456#1.base, aws_ring_buffer_is_empty_#t~ret456#1.offset, aws_ring_buffer_is_empty_~ring_buf#1.base, aws_ring_buffer_is_empty_~ring_buf#1.offset, aws_ring_buffer_is_empty_~head~0#1.base, aws_ring_buffer_is_empty_~head~0#1.offset, aws_ring_buffer_is_empty_~tail~0#1.base, aws_ring_buffer_is_empty_~tail~0#1.offset;aws_ring_buffer_is_empty_~ring_buf#1.base, aws_ring_buffer_is_empty_~ring_buf#1.offset := aws_ring_buffer_is_empty_#in~ring_buf#1.base, aws_ring_buffer_is_empty_#in~ring_buf#1.offset; [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9268-1: SUMMARY for call __VERIFIER_assert((if 0 == aws_ring_buffer_acquire_harness_#t~ret1385#1 % 256 then 0 else 1)); srcloc: null [2025-02-08 10:07:35,920 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 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9268-2: aws_ring_buffer_acquire_harness_#t~ret1385#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 10:07:35,920 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 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269: assume 0 != aws_ring_buffer_acquire_harness_#t~ret1386#1 % 256;havoc aws_ring_buffer_acquire_harness_#t~ret1386#1;call aws_ring_buffer_acquire_harness_#t~mem1387#1.base, aws_ring_buffer_acquire_harness_#t~mem1387#1.offset := read~$Pointer$#3(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, 8 + aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset, 8); [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269: assume !(0 != aws_ring_buffer_acquire_harness_#t~ret1386#1 % 256);havoc aws_ring_buffer_acquire_harness_#t~ret1386#1;call aws_ring_buffer_acquire_harness_#t~mem1389#1.base, aws_ring_buffer_acquire_harness_#t~mem1389#1.offset := read~$Pointer$#3(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, 8 + aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset, 8); [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9269-1: aws_ring_buffer_acquire_harness_#t~ret1386#1 := aws_ring_buffer_is_empty_#res#1;havoc aws_ring_buffer_is_empty_#t~ret455#1.base, aws_ring_buffer_is_empty_#t~ret455#1.offset, aws_ring_buffer_is_empty_#t~ret456#1.base, aws_ring_buffer_is_empty_#t~ret456#1.offset, aws_ring_buffer_is_empty_~ring_buf#1.base, aws_ring_buffer_is_empty_~ring_buf#1.offset, aws_ring_buffer_is_empty_~head~0#1.base, aws_ring_buffer_is_empty_~head~0#1.offset, aws_ring_buffer_is_empty_~tail~0#1.base, aws_ring_buffer_is_empty_~tail~0#1.offset;havoc aws_ring_buffer_is_empty_#in~ring_buf#1.base, aws_ring_buffer_is_empty_#in~ring_buf#1.offset;assume { :end_inline_aws_ring_buffer_is_empty } true; [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270-1: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_~new_head~0#1.base == aws_ring_buffer_acquire_harness_#t~mem1387#1.base && aws_ring_buffer_acquire_harness_~new_head~0#1.offset == aws_ring_buffer_acquire_harness_#t~mem1387#1.offset + (if aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 else aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9270: havoc aws_ring_buffer_acquire_harness_#t~mem1387#1.base, aws_ring_buffer_acquire_harness_#t~mem1387#1.offset;call aws_ring_buffer_acquire_harness_#t~mem1388#1.base, aws_ring_buffer_acquire_harness_#t~mem1388#1.offset := read~$Pointer$#3(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, 8 + aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset, 8); [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9271: havoc aws_ring_buffer_acquire_harness_#t~mem1388#1.base, aws_ring_buffer_acquire_harness_#t~mem1388#1.offset; [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9271-1: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_~new_tail~0#1.base == aws_ring_buffer_acquire_harness_#t~mem1388#1.base && aws_ring_buffer_acquire_harness_~new_tail~0#1.offset == aws_ring_buffer_acquire_harness_#t~mem1388#1.offset then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8644: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9273: havoc aws_ring_buffer_acquire_harness_#t~mem1389#1.base, aws_ring_buffer_acquire_harness_#t~mem1389#1.offset; [2025-02-08 10:07:35,920 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9273-1: SUMMARY for call __VERIFIER_assert((if 0 == (if (aws_ring_buffer_acquire_harness_~new_head~0#1.base == aws_ring_buffer_acquire_harness_#t~mem1389#1.base && aws_ring_buffer_acquire_harness_~new_head~0#1.offset == aws_ring_buffer_acquire_harness_#t~mem1389#1.offset + (if aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 else aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616)) || (aws_ring_buffer_acquire_harness_~new_head~0#1.base == aws_ring_buffer_acquire_harness_~old_head~0#1.base && aws_ring_buffer_acquire_harness_~new_head~0#1.offset == aws_ring_buffer_acquire_harness_~old_head~0#1.offset + (if aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 else aws_ring_buffer_acquire_harness_~requested_size~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616)) then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6053: aws_ring_buffer_is_empty_~head~0#1.base, aws_ring_buffer_is_empty_~head~0#1.offset := aws_ring_buffer_is_empty_#t~ret455#1.base, aws_ring_buffer_is_empty_#t~ret455#1.offset;havoc aws_ring_buffer_is_empty_#t~ret455#1.base, aws_ring_buffer_is_empty_#t~ret455#1.offset; [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6053-1: SUMMARY for call aws_ring_buffer_is_empty_#t~ret455#1.base, aws_ring_buffer_is_empty_#t~ret455#1.offset := aws_atomic_load_ptr(aws_ring_buffer_is_empty_~ring_buf#1.base, 16 + aws_ring_buffer_is_empty_~ring_buf#1.offset); srcloc: null [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9274: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_~new_tail~0#1.base == aws_ring_buffer_acquire_harness_~old_tail~0#1.base && aws_ring_buffer_acquire_harness_~new_tail~0#1.offset == aws_ring_buffer_acquire_harness_~old_tail~0#1.offset then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8630-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6054: aws_ring_buffer_is_empty_~tail~0#1.base, aws_ring_buffer_is_empty_~tail~0#1.offset := aws_ring_buffer_is_empty_#t~ret456#1.base, aws_ring_buffer_is_empty_#t~ret456#1.offset;havoc aws_ring_buffer_is_empty_#t~ret456#1.base, aws_ring_buffer_is_empty_#t~ret456#1.offset;aws_ring_buffer_is_empty_#res#1 := (if 0 == (if aws_ring_buffer_is_empty_~head~0#1.base == aws_ring_buffer_is_empty_~tail~0#1.base && aws_ring_buffer_is_empty_~head~0#1.offset == aws_ring_buffer_is_empty_~tail~0#1.offset then 1 else 0) then 0 else 1); [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6054-1: SUMMARY for call aws_ring_buffer_is_empty_#t~ret456#1.base, aws_ring_buffer_is_empty_#t~ret456#1.offset := aws_atomic_load_ptr(aws_ring_buffer_is_empty_~ring_buf#1.base, 24 + aws_ring_buffer_is_empty_~ring_buf#1.offset); srcloc: null [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276: havoc aws_ring_buffer_acquire_harness_#t~ret1390#1;havoc aws_ring_buffer_acquire_harness_#t~ret1391#1;havoc aws_ring_buffer_acquire_harness_#t~short1392#1; [2025-02-08 10:07:35,921 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-1: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_#t~short1392#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-2: aws_ring_buffer_acquire_harness_#t~short1392#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1391#1 % 256; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-3: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1391#1 := is_front_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-4: assume aws_ring_buffer_acquire_harness_#t~short1392#1; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-4: assume !aws_ring_buffer_acquire_harness_#t~short1392#1; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-5: aws_ring_buffer_acquire_harness_#t~ret1390#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_harness_#t~short1392#1 := 0 == aws_ring_buffer_acquire_harness_#t~ret1390#1 % 256; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9276-6: 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_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_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 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277: havoc aws_ring_buffer_acquire_harness_#t~ret1393#1;havoc aws_ring_buffer_acquire_harness_#t~ret1394#1;havoc aws_ring_buffer_acquire_harness_#t~short1395#1; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-1: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_#t~short1395#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-2: aws_ring_buffer_acquire_harness_#t~short1395#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1394#1 % 256; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-3: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1394#1 := is_front_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-4: assume aws_ring_buffer_acquire_harness_#t~short1395#1; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-4: assume !aws_ring_buffer_acquire_harness_#t~short1395#1; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-5: aws_ring_buffer_acquire_harness_#t~short1395#1 := 0 == aws_ring_buffer_acquire_harness_#t~ret1393#1 % 256; [2025-02-08 10:07:35,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9277-6: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1393#1 := is_front_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 10:07:35,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-1: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_#t~short1400#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-2: aws_ring_buffer_acquire_harness_#t~short1400#1 := aws_ring_buffer_acquire_harness_#t~short1399#1; [2025-02-08 10:07:35,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-3: aws_ring_buffer_acquire_harness_#t~short1399#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1398#1 % 256; [2025-02-08 10:07:35,924 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-4: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1398#1 := is_ends_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278: havoc aws_ring_buffer_acquire_harness_#t~ret1396#1;havoc aws_ring_buffer_acquire_harness_#t~ret1397#1;havoc aws_ring_buffer_acquire_harness_#t~ret1398#1;havoc aws_ring_buffer_acquire_harness_#t~short1399#1;havoc aws_ring_buffer_acquire_harness_#t~short1400#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-9: aws_ring_buffer_acquire_harness_#t~short1400#1 := 0 == aws_ring_buffer_acquire_harness_#t~ret1396#1 % 256; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-10: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1396#1 := is_middle_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-5: assume aws_ring_buffer_acquire_harness_#t~short1399#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-5: assume !aws_ring_buffer_acquire_harness_#t~short1399#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-6: aws_ring_buffer_acquire_harness_#t~short1399#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1397#1 % 256; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-7: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1397#1 := is_middle_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-8: assume aws_ring_buffer_acquire_harness_#t~short1400#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9278-8: assume !aws_ring_buffer_acquire_harness_#t~short1400#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-3: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1402#1 := is_ends_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-4: assume aws_ring_buffer_acquire_harness_#t~short1403#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-4: assume !aws_ring_buffer_acquire_harness_#t~short1403#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-5: aws_ring_buffer_acquire_harness_#t~short1403#1 := 0 == aws_ring_buffer_acquire_harness_#t~ret1401#1 % 256; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-6: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1401#1 := is_ends_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280: havoc aws_ring_buffer_acquire_harness_#t~ret1401#1;havoc aws_ring_buffer_acquire_harness_#t~ret1402#1;havoc aws_ring_buffer_acquire_harness_#t~short1403#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-1: SUMMARY for call __VERIFIER_assert((if 0 == (if aws_ring_buffer_acquire_harness_#t~short1403#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9280-2: aws_ring_buffer_acquire_harness_#t~short1403#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1402#1 % 256; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-4: assume aws_ring_buffer_acquire_harness_#t~short1406#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-4: assume !aws_ring_buffer_acquire_harness_#t~short1406#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-5: aws_ring_buffer_acquire_harness_#t~short1406#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1404#1 % 256; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-6: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1404#1 := is_front_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf_old~0#1.offset); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281: havoc aws_ring_buffer_acquire_harness_#t~ret1404#1;havoc aws_ring_buffer_acquire_harness_#t~ret1405#1;havoc aws_ring_buffer_acquire_harness_#t~short1406#1; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-1: SUMMARY for call __VERIFIER_assert((if 0 == (if !aws_ring_buffer_acquire_harness_#t~short1406#1 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-2: aws_ring_buffer_acquire_harness_#t~short1406#1 := 0 != aws_ring_buffer_acquire_harness_#t~ret1405#1 % 256; [2025-02-08 10:07:35,925 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9281-3: SUMMARY for call aws_ring_buffer_acquire_harness_#t~ret1405#1 := is_middle_valid_state(aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base, aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset); srcloc: null [2025-02-08 10:07:35,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8638: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-02-08 10:07:35,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-02-08 10:07:35,926 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 10:07:35,926 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 10:07:36,080 INFO L? ?]: Removed 203 outVars from TransFormulas that were not future-live. [2025-02-08 10:07:36,081 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 10:07:36,111 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 10:07:36,115 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 10:07:36,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:36 BoogieIcfgContainer [2025-02-08 10:07:36,115 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 10:07:36,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 10:07:36,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 10:07:36,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 10:07:36,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 10:07:24" (1/3) ... [2025-02-08 10:07:36,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158b8710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:07:36, skipping insertion in model container [2025-02-08 10:07:36,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:27" (2/3) ... [2025-02-08 10:07:36,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158b8710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:07:36, skipping insertion in model container [2025-02-08 10:07:36,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:36" (3/3) ... [2025-02-08 10:07:36,123 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2025-02-08 10:07:36,137 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 10:07:36,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 23 procedures, 358 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-02-08 10:07:36,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 10:07:36,214 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;@1492b38f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 10:07:36,214 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 10:07:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 352 states, 203 states have (on average 1.2266009852216748) internal successors, (249), 208 states have internal predecessors, (249), 121 states have call successors, (121), 19 states have call predecessors, (121), 19 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2025-02-08 10:07:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 10:07:36,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:36,227 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:36,227 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-02-08 10:07:36,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:36,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1619688873, now seen corresponding path program 1 times [2025-02-08 10:07:36,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:36,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522162587] [2025-02-08 10:07:36,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:36,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:08:45,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 10:08:45,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 10:08:45,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:08:45,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:08:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-08 10:08:46,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:08:46,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522162587] [2025-02-08 10:08:46,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522162587] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:08:46,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487310768] [2025-02-08 10:08:46,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:08:46,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:08:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:08:46,742 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 10:08:46,744 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