./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_release_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 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:24:31,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:24:32,080 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:24:32,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:24:32,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:24:32,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:24:32,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:24:32,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:24:32,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:24:32,128 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:24:32,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:24:32,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:24:32,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:24:32,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:24:32,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:24:32,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:24:32,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:24:32,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:24:32,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:24:32,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:24:32,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:24:32,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:24:32,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:24:32,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:24:32,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:24:32,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:24:32,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:24:32,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:24:32,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:24:32,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:32,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:24:32,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:24:32,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:24:32,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2024-11-19 02:24:32,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:24:32,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:24:32,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:24:32,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:24:32,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:24:32,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-19 02:24:33,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:24:34,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:24:34,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-19 02:24:34,374 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0407fa16a/515258156bfc47aea6391cc390e8c348/FLAG9d263ec9b [2024-11-19 02:24:34,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0407fa16a/515258156bfc47aea6391cc390e8c348 [2024-11-19 02:24:34,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:24:34,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:24:34,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:34,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:24:34,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:24:34,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:34" (1/1) ... [2024-11-19 02:24:34,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bb412a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:34, skipping insertion in model container [2024-11-19 02:24:34,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:34" (1/1) ... [2024-11-19 02:24:34,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:24:34,993 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_release_harness.i[4497,4510] [2024-11-19 02:24:35,002 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_release_harness.i[4557,4570] [2024-11-19 02:24:35,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:35,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:36,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:24:36,123 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_release_harness.i[4497,4510] [2024-11-19 02:24:36,123 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_release_harness.i[4557,4570] [2024-11-19 02:24:36,189 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,204 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-19 02:24:36,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:36,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-19 02:24:36,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:36,585 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:24:36,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36 WrapperNode [2024-11-19 02:24:36,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:36,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:36,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:24:36,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:24:36,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,770 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-11-19 02:24:36,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:36,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:24:36,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:24:36,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:24:36,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,884 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [2, 257, 49, 6, 243, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 10, 4, 11, 4]. The 496 writes are split as follows [0, 257, 4, 0, 232, 3]. [2024-11-19 02:24:36,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:24:36,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:24:36,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:24:36,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:24:36,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (1/1) ... [2024-11-19 02:24:36,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:37,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:37,027 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) [2024-11-19 02:24:37,032 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 [2024-11-19 02:24:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:24:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:24:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:24:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:24:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:24:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-19 02:24:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-19 02:24:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-19 02:24:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:24:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-19 02:24:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:24:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:24:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:24:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:24:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:24:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:24:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:24:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:24:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-19 02:24:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-19 02:24:37,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:24:37,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:24:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:24:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:24:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:24:37,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 02:24:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:24:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:24:37,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:24:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:24:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:24:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 02:24:37,084 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:24:37,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:24:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:24:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:24:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:24:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:24:37,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:24:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:24:37,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:24:37,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:37,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:24:37,088 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:24:37,088 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-19 02:24:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-19 02:24:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-19 02:24:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-19 02:24:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:24:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:24:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-19 02:24:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:37,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:24:37,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:24:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:24:37,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:24:37,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:24:46,108 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-19 02:24:46,108 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:24:46,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:24:46,127 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 02:24:46,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:46 BoogieIcfgContainer [2024-11-19 02:24:46,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:24:46,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:24:46,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:24:46,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:24:46,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:34" (1/3) ... [2024-11-19 02:24:46,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318bbba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:46, skipping insertion in model container [2024-11-19 02:24:46,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:36" (2/3) ... [2024-11-19 02:24:46,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318bbba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:46, skipping insertion in model container [2024-11-19 02:24:46,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:46" (3/3) ... [2024-11-19 02:24:46,135 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2024-11-19 02:24:46,149 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:24:46,150 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 02:24:46,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:24:46,217 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;@6280268b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:24:46,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 02:24:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-19 02:24:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 02:24:46,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:46,231 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-19 02:24:46,232 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)] === [2024-11-19 02:24:46,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:46,240 INFO L85 PathProgramCache]: Analyzing trace with hash -467156879, now seen corresponding path program 1 times [2024-11-19 02:24:46,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:46,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706685521] [2024-11-19 02:24:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:26:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:26:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 02:26:06,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:26:06,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706685521] [2024-11-19 02:26:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706685521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:26:06,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900416781] [2024-11-19 02:26:06,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:26:06,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:26:06,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:26:06,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:26:06,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process