./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_acquire_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 11:16:03,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 11:16:03,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 11:16:03,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 11:16:03,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 11:16:03,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 11:16:03,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 11:16:03,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 11:16:03,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 11:16:03,929 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 11:16:03,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 11:16:03,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 11:16:03,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 11:16:03,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 11:16:03,931 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 11:16:03,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 11:16:03,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 11:16:03,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 11:16:03,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 11:16:03,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 11:16:03,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 11:16:03,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 11:16:03,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 11:16:03,933 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 11:16:03,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 11:16:03,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 11:16:03,934 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 11:16:03,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 11:16:03,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 11:16:03,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 11:16:03,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 11:16:03,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:16:03,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 11:16:03,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 11:16:03,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 11:16:03,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 11:16:03,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 11:16:03,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 11:16:03,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 11:16:03,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 11:16:03,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 11:16:03,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-19 11:16:04,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 11:16:04,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 11:16:04,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 11:16:04,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 11:16:04,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 11:16:04,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-19 11:16:05,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 11:16:06,422 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 11:16:06,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-19 11:16:06,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe367cb2/25e172e3096a40a3bb5cfba271dd0c3d/FLAG267c5721e [2024-11-19 11:16:06,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fe367cb2/25e172e3096a40a3bb5cfba271dd0c3d [2024-11-19 11:16:06,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 11:16:06,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 11:16:06,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 11:16:06,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 11:16:06,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 11:16:06,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:16:06" (1/1) ... [2024-11-19 11:16:06,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7379bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:06, skipping insertion in model container [2024-11-19 11:16:06,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:16:06" (1/1) ... [2024-11-19 11:16:06,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 11:16:07,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,002 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,915 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:08,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:16:09,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 11:16:09,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,267 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-19 11:16:09,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 11:16:09,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-19 11:16:09,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 11:16:09,866 INFO L204 MainTranslator]: Completed translation [2024-11-19 11:16:09,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09 WrapperNode [2024-11-19 11:16:09,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 11:16:09,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 11:16:09,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 11:16:09,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 11:16:09,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,087 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1210 [2024-11-19 11:16:10,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 11:16:10,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 11:16:10,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 11:16:10,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 11:16:10,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,233 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 47, 68, 243]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 4, 10, 11]. The 515 writes are split as follows [0, 257, 22, 4, 232]. [2024-11-19 11:16:10,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 11:16:10,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 11:16:10,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 11:16:10,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 11:16:10,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (1/1) ... [2024-11-19 11:16:10,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 11:16:10,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:16:10,356 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 11:16:10,358 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 11:16:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 11:16:10,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 11:16:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 11:16:10,394 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 11:16:10,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 11:16:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-19 11:16:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-19 11:16:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 11:16:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 11:16:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 11:16:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 11:16:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 11:16:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 11:16:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 11:16:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 11:16:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-19 11:16:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 11:16:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 11:16:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 11:16:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 11:16:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 11:16:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-19 11:16:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 11:16:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-19 11:16:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 11:16:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 11:16:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-19 11:16:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-19 11:16:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 11:16:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 11:16:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-19 11:16:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-19 11:16:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-19 11:16:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-19 11:16:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 11:16:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 11:16:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 11:16:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 11:16:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 11:16:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 11:16:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 11:16:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-19 11:16:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-19 11:16:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-19 11:16:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-19 11:16:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-19 11:16:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 11:16:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 11:16:10,737 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 11:16:10,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 11:16:19,587 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2024-11-19 11:16:19,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 11:16:19,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 11:16:19,601 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 11:16:19,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:16:19 BoogieIcfgContainer [2024-11-19 11:16:19,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 11:16:19,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 11:16:19,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 11:16:19,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 11:16:19,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:16:06" (1/3) ... [2024-11-19 11:16:19,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c870ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:16:19, skipping insertion in model container [2024-11-19 11:16:19,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:16:09" (2/3) ... [2024-11-19 11:16:19,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c870ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:16:19, skipping insertion in model container [2024-11-19 11:16:19,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:16:19" (3/3) ... [2024-11-19 11:16:19,607 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-19 11:16:19,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 11:16:19,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 11:16:19,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 11:16:19,675 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;@414351b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 11:16:19,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 11:16:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 418 states, 243 states have (on average 1.2181069958847737) internal successors, (296), 248 states have internal predecessors, (296), 148 states have call successors, (148), 22 states have call predecessors, (148), 22 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-19 11:16:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 11:16:19,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 11:16:19,686 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 11:16:19,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-19 11:16:19,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 11:16:19,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1896216914, now seen corresponding path program 1 times [2024-11-19 11:16:19,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 11:16:19,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717324319] [2024-11-19 11:16:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:16:19,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 11:17:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 11:17:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-19 11:17:40,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 11:17:40,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717324319] [2024-11-19 11:17:40,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717324319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 11:17:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088093578] [2024-11-19 11:17:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 11:17:40,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 11:17:40,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 11:17:40,006 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 11:17:40,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process