./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:20:01,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:20:01,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:20:01,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:20:01,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:20:01,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:20:01,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:20:01,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:20:01,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:20:01,520 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:20:01,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:20:01,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:20:01,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:20:01,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:20:01,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:20:01,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:20:01,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:20:01,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:20:01,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:20:01,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:20:01,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:20:01,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:20:01,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:20:01,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:20:01,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:20:01,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:20:01,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:20:01,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:20:01,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:20:01,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:01,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:20:01,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:20:01,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:20:01,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:20:01,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:20:01,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:20:01,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:20:01,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:20:01,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:20:01,534 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2024-11-09 03:20:01,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:20:01,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:20:01,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:20:01,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:20:01,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:20:01,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-09 03:20:03,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:20:03,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:20:03,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-09 03:20:03,629 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d7126c1/982644c7726c415696cd25223ffc03dd/FLAG79af5e128 [2024-11-09 03:20:03,644 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d7126c1/982644c7726c415696cd25223ffc03dd [2024-11-09 03:20:03,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:20:03,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:20:03,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:03,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:20:03,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:20:03,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:03" (1/1) ... [2024-11-09 03:20:03,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4c01e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:03, skipping insertion in model container [2024-11-09 03:20:03,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:03" (1/1) ... [2024-11-09 03:20:03,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:20:04,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-11-09 03:20:04,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-11-09 03:20:04,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,664 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:04,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:05,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:20:05,265 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-11-09 03:20:05,266 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-11-09 03:20:05,302 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,304 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,312 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 03:20:05,453 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,453 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:05,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-09 03:20:05,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:05,657 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:20:05,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05 WrapperNode [2024-11-09 03:20:05,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:05,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:05,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:20:05,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:20:05,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,840 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-09 03:20:05,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:05,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:20:05,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:20:05,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:20:05,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,936 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [2, 257, 243, 68, 54]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 11, 10, 4]. The 523 writes are split as follows [0, 257, 232, 4, 30]. [2024-11-09 03:20:05,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:05,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:06,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:06,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:06,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:20:06,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:20:06,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:20:06,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:20:06,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (1/1) ... [2024-11-09 03:20:06,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:06,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:20:06,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:20:06,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:20:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:20:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 03:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:20:06,109 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:20:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:20:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:20:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:20:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:20:06,143 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:20:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 03:20:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:20:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:06,144 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:20:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-09 03:20:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:20:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 03:20:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 03:20:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 03:20:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:20:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:20:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:20:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:20:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:20:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:20:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:20:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 03:20:06,148 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 03:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:06,149 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:20:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:20:06,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:20:06,489 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:20:15,775 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-09 03:20:15,775 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:20:15,804 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:20:15,805 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:20:15,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:15 BoogieIcfgContainer [2024-11-09 03:20:15,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:20:15,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:20:15,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:20:15,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:20:15,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:20:03" (1/3) ... [2024-11-09 03:20:15,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b1545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:15, skipping insertion in model container [2024-11-09 03:20:15,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:05" (2/3) ... [2024-11-09 03:20:15,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b1545c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:15, skipping insertion in model container [2024-11-09 03:20:15,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:15" (3/3) ... [2024-11-09 03:20:15,814 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2024-11-09 03:20:15,830 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:20:15,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 03:20:15,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:20:15,911 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;@3bdbf15d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:20:15,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 03:20:15,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-09 03:20:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 03:20:15,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:15,925 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:20:15,926 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)] === [2024-11-09 03:20:15,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-09 03:20:15,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:15,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206113712] [2024-11-09 03:20:15,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:15,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:21:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:21:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:21:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:21:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:21:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:21:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:21:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:21:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:21:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:21:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:21:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:38,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:21:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:21:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 03:21:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 03:21:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:21:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206113712] [2024-11-09 03:21:39,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206113712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:21:39,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:21:39,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:21:39,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332029226] [2024-11-09 03:21:39,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:21:39,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:21:39,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:21:39,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:21:39,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:21:39,059 INFO L87 Difference]: Start difference. First operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 03:21:43,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []