./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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_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-?-c7c6ca5-m [2024-11-09 12:20:49,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:20:49,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 12:20:49,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:20:49,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:20:49,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:20:49,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:20:49,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:20:49,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:20:49,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:20:49,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:20:49,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:20:49,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:20:49,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:20:49,728 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:20:49,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:20:49,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:20:49,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:20:49,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:20:49,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:20:49,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:20:49,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:20:49,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:20:49,735 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:20:49,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:20:49,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:20:49,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:20:49,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:20:49,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:20:49,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:20:49,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:20:49,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:20:49,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:20:49,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:20:49,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:20:49,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:20:49,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:20:49,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:20:49,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:20:49,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:20:49,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:20:49,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-09 12:20:50,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:20:50,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:20:50,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:20:50,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:20:50,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:20:50,056 INFO L431 ainManager$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 [2024-11-09 12:20:51,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:20:52,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:20:52,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-09 12:20:52,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620d7b6f2/c8c41bb2afca4d8c82e2f49d7f468dde/FLAG3e07f0636 [2024-11-09 12:20:52,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620d7b6f2/c8c41bb2afca4d8c82e2f49d7f468dde [2024-11-09 12:20:52,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:20:52,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:20:52,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:20:52,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:20:52,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:20:52,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:52" (1/1) ... [2024-11-09 12:20:52,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d19518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:52, skipping insertion in model container [2024-11-09 12:20:52,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:52" (1/1) ... [2024-11-09 12:20:52,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:20:54,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,366 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:54,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,026 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:20:55,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:20:55,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 12:20:55,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 12:20:55,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-09 12:20:55,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:20:55,887 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:20:55,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55 WrapperNode [2024-11-09 12:20:55,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:20:55,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:20:55,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:20:55,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:20:55,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,122 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1210 [2024-11-09 12:20:56,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:20:56,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:20:56,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:20:56,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:20:56,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,335 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [257, 2, 68, 243, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 10, 11, 4]. The 515 writes are split as follows [257, 0, 4, 232, 22]. [2024-11-09 12:20:56,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:20:56,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:20:56,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:20:56,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:20:56,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (1/1) ... [2024-11-09 12:20:56,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:20:56,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:20:56,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:20:56,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:20:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 12:20:56,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 12:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 12:20:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 12:20:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 12:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 12:20:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 12:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 12:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 12:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 12:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 12:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 12:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 12:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 12:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 12:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 12:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 12:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 12:20:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 12:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:20:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 12:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 12:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 12:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 12:20:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 12:20:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 12:20:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 12:20:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 12:20:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:20:56,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:20:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 12:20:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 12:20:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 12:20:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 12:20:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 12:20:56,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 12:20:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 12:20:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 12:20:56,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 12:20:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 12:20:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-09 12:20:56,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 12:20:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 12:20:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 12:20:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-09 12:20:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-09 12:20:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 12:20:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 12:20:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 12:20:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 12:20:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 12:20:56,585 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 12:20:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 12:20:56,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 12:20:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 12:20:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 12:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 12:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 12:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 12:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 12:20:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 12:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 12:20:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 12:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 12:20:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 12:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 12:20:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 12:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 12:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 12:20:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 12:20:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 12:20:56,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:20:56,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:21:07,938 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2024-11-09 12:21:07,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:21:07,961 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:21:07,962 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 12:21:07,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:07 BoogieIcfgContainer [2024-11-09 12:21:07,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:21:07,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:21:07,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:21:07,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:21:07,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:20:52" (1/3) ... [2024-11-09 12:21:07,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78317f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:21:07, skipping insertion in model container [2024-11-09 12:21:07,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:55" (2/3) ... [2024-11-09 12:21:07,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78317f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:21:07, skipping insertion in model container [2024-11-09 12:21:07,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:21:07" (3/3) ... [2024-11-09 12:21:07,971 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-09 12:21:07,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:21:07,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 12:21:08,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:21:08,068 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;@11ed5cc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:21:08,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 12:21:08,074 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) [2024-11-09 12:21:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 12:21:08,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:21:08,085 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] [2024-11-09 12:21:08,085 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)] === [2024-11-09 12:21:08,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:21:08,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1896216914, now seen corresponding path program 1 times [2024-11-09 12:21:08,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:21:08,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644964664] [2024-11-09 12:21:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:21:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms