./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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-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 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:28:32,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:28:32,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:28:32,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:28:32,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:28:32,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:28:32,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:28:32,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:28:32,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:28:32,468 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:28:32,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:28:32,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:28:32,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:28:32,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:28:32,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:28:32,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:28:32,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:28:32,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:28:32,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:28:32,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:28:32,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:28:32,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:28:32,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:28:32,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:28:32,471 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 -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2025-01-09 17:28:32,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:28:32,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:28:32,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:28:32,687 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:28:32,687 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:28:32,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-01-09 17:28:33,795 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b91ead6c8/99d34c2b15504b32b294c4766ca67299/FLAG28a415947 [2025-01-09 17:28:34,299 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:28:34,301 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-01-09 17:28:34,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b91ead6c8/99d34c2b15504b32b294c4766ca67299/FLAG28a415947 [2025-01-09 17:28:34,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b91ead6c8/99d34c2b15504b32b294c4766ca67299 [2025-01-09 17:28:34,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:28:34,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:28:34,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:28:34,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:28:34,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:28:34,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:28:34" (1/1) ... [2025-01-09 17:28:34,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d10f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:34, skipping insertion in model container [2025-01-09 17:28:34,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:28:34" (1/1) ... [2025-01-09 17:28:34,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:28:34,643 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2025-01-09 17:28:34,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2025-01-09 17:28:35,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,224 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:28:35,712 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:28:35,722 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2025-01-09 17:28:35,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2025-01-09 17:28:35,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:28:35,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:28:35,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-01-09 17:28:35,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:28:36,076 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:28:36,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36 WrapperNode [2025-01-09 17:28:36,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:28:36,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:28:36,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:28:36,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:28:36,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,215 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2025-01-09 17:28:36,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:28:36,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:28:36,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:28:36,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:28:36,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,322 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 68, 243, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 10, 11, 4]. The 515 writes are split as follows [0, 257, 4, 232, 22]. [2025-01-09 17:28:36,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:28:36,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:28:36,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:28:36,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:28:36,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (1/1) ... [2025-01-09 17:28:36,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:28:36,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:28:36,416 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) [2025-01-09 17:28:36,419 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 [2025-01-09 17:28:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:28:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:28:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-01-09 17:28:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:28:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:28:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:28:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:28:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:28:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-01-09 17:28:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:28:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:28:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:28:36,666 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:28:36,668 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:28:45,421 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2025-01-09 17:28:45,421 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:28:45,434 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:28:45,434 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 17:28:45,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:28:45 BoogieIcfgContainer [2025-01-09 17:28:45,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:28:45,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:28:45,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:28:45,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:28:45,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:28:34" (1/3) ... [2025-01-09 17:28:45,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d37e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:28:45, skipping insertion in model container [2025-01-09 17:28:45,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:28:36" (2/3) ... [2025-01-09 17:28:45,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d37e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:28:45, skipping insertion in model container [2025-01-09 17:28:45,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:28:45" (3/3) ... [2025-01-09 17:28:45,442 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2025-01-09 17:28:45,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:28:45,453 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 22 procedures, 412 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-01-09 17:28:45,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:28:45,500 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;@61a6aed1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:28:45,500 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-09 17:28:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2025-01-09 17:28:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-09 17:28:45,508 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:28:45,508 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] [2025-01-09 17:28:45,508 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)] === [2025-01-09 17:28:45,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:28:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash 863824046, now seen corresponding path program 1 times [2025-01-09 17:28:45,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:28:45,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073408329] [2025-01-09 17:28:45,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:28:45,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:29:52,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-09 17:29:52,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-09 17:29:52,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:29:52,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:29:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-09 17:29:53,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:29:53,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073408329] [2025-01-09 17:29:53,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073408329] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:29:53,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672251619] [2025-01-09 17:29:53,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:53,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:29:53,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:29:53,420 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) [2025-01-09 17:29:53,422 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