./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:58:51,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:58:51,329 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:58:51,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:58:51,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:58:51,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:58:51,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:58:51,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:58:51,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:58:51,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:58:51,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:58:51,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:58:51,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:58:51,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:58:51,363 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:58:51,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:58:51,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:58:51,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:58:51,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:58:51,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:58:51,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:58:51,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:58:51,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:58:51,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:58:51,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:58:51,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:58:51,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:58:51,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:58:51,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:58:51,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:58:51,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:58:51,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:58:51,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:58:51,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:58:51,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:58:51,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:58:51,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:58:51,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:58:51,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:58:51,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2024-11-12 08:58:51,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:58:51,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:58:51,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:58:51,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:58:51,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:58:51,638 INFO L431 ainManager$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 [2024-11-12 08:58:52,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:58:53,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:58:53,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-12 08:58:53,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c60e7a3/9ab59380571944178046f033c6e0cb2e/FLAGe10ace4ef [2024-11-12 08:58:53,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c60e7a3/9ab59380571944178046f033c6e0cb2e [2024-11-12 08:58:53,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:58:53,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:58:53,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:58:53,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:58:53,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:58:53,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:58:53" (1/1) ... [2024-11-12 08:58:53,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d58111b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:53, skipping insertion in model container [2024-11-12 08:58:53,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:58:53" (1/1) ... [2024-11-12 08:58:53,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:58:53,808 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] [2024-11-12 08:58:53,816 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] [2024-11-12 08:58:54,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:54,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:58:55,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:58:55,035 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] [2024-11-12 08:58:55,037 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] [2024-11-12 08:58:55,070 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,080 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,080 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-12 08:58:55,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:55,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-12 08:58:55,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:58:55,548 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:58:55,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55 WrapperNode [2024-11-12 08:58:55,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:58:55,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:58:55,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:58:55,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:58:55,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,719 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-12 08:58:55,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:58:55,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:58:55,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:58:55,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:58:55,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,824 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [2, 257, 243, 54, 68]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 11, 4, 10]. The 523 writes are split as follows [0, 257, 232, 30, 4]. [2024-11-12 08:58:55,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:58:55,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:58:55,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:58:55,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:58:55,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (1/1) ... [2024-11-12 08:58:55,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:58:55,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:55,944 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) [2024-11-12 08:58:55,947 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 [2024-11-12 08:58:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:58:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:58:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:58:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:58:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:58:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-12 08:58:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-12 08:58:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:58:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:58:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:58:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:58:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:58:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:58:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-12 08:58:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:58:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:58:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:58:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:58:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:58:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-12 08:58:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:58:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-12 08:58:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:58:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:58:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:58:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:58:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:58:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:58:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:58:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:58:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-12 08:58:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-12 08:58:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-12 08:58:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-12 08:58:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:58:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:58:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-12 08:58:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-12 08:58:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-12 08:58:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-12 08:58:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:58:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:58:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:58:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:58:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:58:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:58:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:58:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-12 08:58:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-12 08:58:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-12 08:58:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-12 08:58:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-12 08:58:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-12 08:58:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-12 08:58:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-12 08:58:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:58:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:58:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:58:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:58:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:58:56,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:58:56,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:59:05,429 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-12 08:59:05,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:59:05,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:59:05,452 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 08:59:05,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:59:05 BoogieIcfgContainer [2024-11-12 08:59:05,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:59:05,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:59:05,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:59:05,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:59:05,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:58:53" (1/3) ... [2024-11-12 08:59:05,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee29dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:59:05, skipping insertion in model container [2024-11-12 08:59:05,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:55" (2/3) ... [2024-11-12 08:59:05,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee29dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:59:05, skipping insertion in model container [2024-11-12 08:59:05,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:59:05" (3/3) ... [2024-11-12 08:59:05,465 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2024-11-12 08:59:05,480 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:59:05,481 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 08:59:05,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:59:05,552 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;@5cc06258, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:59:05,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 08:59:05,558 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) [2024-11-12 08:59:05,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-12 08:59:05,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:59:05,569 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:59:05,569 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)] === [2024-11-12 08:59:05,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:59:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-12 08:59:05,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:59:05,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105052687] [2024-11-12 08:59:05,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:59:05,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:00:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:00:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:00:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:00:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 09:00:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:00:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:00:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 09:00:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:00:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:00:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 09:00:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 09:00:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 09:00:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 09:00:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 09:00:24,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:00:24,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105052687] [2024-11-12 09:00:24,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105052687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:00:24,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:00:24,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:00:24,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145226143] [2024-11-12 09:00:24,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:00:24,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:00:24,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:00:24,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:00:24,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:00:24,832 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) [2024-11-12 09:00:29,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []