./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.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 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:20:04,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:20:04,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:20:04,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:20:04,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:20:04,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:20:04,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:20:04,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:20:04,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:20:04,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:20:04,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:20:04,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:20:04,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:20:04,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:20:04,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:20:04,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:20:04,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:20:04,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:20:04,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:20:04,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:20:04,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:20:04,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:20:04,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:20:04,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:20:04,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:20:04,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:20:04,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:20:04,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:20:04,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:20:04,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:04,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:20:04,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:20:04,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:20:04,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:20:04,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:20:04,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:20:04,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:20:04,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:20:04,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:20:04,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-11-09 03:20:04,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:20:04,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:20:04,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:20:04,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:20:04,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:20:04,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-09 03:20:06,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:20:06,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:20:06,530 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-09 03:20:06,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d457f90b/db6abb9eaab74c2d9fb19cf3ced78f8f/FLAGaeb3d1d46 [2024-11-09 03:20:06,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d457f90b/db6abb9eaab74c2d9fb19cf3ced78f8f [2024-11-09 03:20:06,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:20:06,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:20:06,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:06,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:20:06,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:20:06,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:06" (1/1) ... [2024-11-09 03:20:06,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a61a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:06, skipping insertion in model container [2024-11-09 03:20:06,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:06" (1/1) ... [2024-11-09 03:20:06,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:20:07,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-09 03:20:07,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-09 03:20:07,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:07,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:08,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:20:08,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-09 03:20:08,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-09 03:20:08,272 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,273 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,273 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,273 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,274 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,279 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,279 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-09 03:20:08,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:08,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-09 03:20:08,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:08,653 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:20:08,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08 WrapperNode [2024-11-09 03:20:08,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:08,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:08,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:20:08,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:20:08,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,825 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-09 03:20:08,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:08,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:20:08,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:20:08,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:20:08,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,938 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [2, 257, 68, 54, 243]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 10, 4, 11]. The 523 writes are split as follows [0, 257, 4, 30, 232]. [2024-11-09 03:20:08,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:08,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:09,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:09,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:09,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:20:09,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:20:09,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:20:09,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:20:09,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (1/1) ... [2024-11-09 03:20:09,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:09,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:20:09,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:20:09,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:20:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:20:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:20:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:20:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:20:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:20:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 03:20:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:20:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:20:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:20:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:20:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:20:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:20:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:20:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:20:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:20:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:20:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:20:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:20:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:20:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:20:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:20:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:20:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:20:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:20:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 03:20:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:20:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:20:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:20:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:20:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:20:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:20:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:20:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:20:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:20:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-09 03:20:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-09 03:20:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:20:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:20:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 03:20:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 03:20:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:20:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:20:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:20:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 03:20:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 03:20:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:20:09,447 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:20:09,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:20:18,811 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-09 03:20:18,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:20:18,829 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:20:18,829 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:20:18,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:18 BoogieIcfgContainer [2024-11-09 03:20:18,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:20:18,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:20:18,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:20:18,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:20:18,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:20:06" (1/3) ... [2024-11-09 03:20:18,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c72db89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:18, skipping insertion in model container [2024-11-09 03:20:18,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:08" (2/3) ... [2024-11-09 03:20:18,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c72db89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:18, skipping insertion in model container [2024-11-09 03:20:18,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:18" (3/3) ... [2024-11-09 03:20:18,836 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-09 03:20:18,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:20:18,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 03:20:18,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:20:18,918 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;@5228e135, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:20:18,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 03:20:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-09 03:20:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 03:20:18,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:18,932 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:20:18,933 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-09 03:20:18,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:18,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-09 03:20:18,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:18,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323232629] [2024-11-09 03:20:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:21:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:21:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:21:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:21:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:21:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:21:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:21:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:21:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:21:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:21:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:21:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:21:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:21:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 03:21:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 03:21:39,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:21:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323232629] [2024-11-09 03:21:39,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323232629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:21:39,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:21:39,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:21:39,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081739174] [2024-11-09 03:21:39,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:21:39,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:21:39,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:21:39,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:21:39,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:21:39,778 INFO L87 Difference]: Start difference. First operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 03:21:43,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:21:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:21:48,342 INFO L93 Difference]: Finished difference Result 833 states and 1316 transitions. [2024-11-09 03:21:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:21:48,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 76 [2024-11-09 03:21:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:21:48,362 INFO L225 Difference]: With dead ends: 833 [2024-11-09 03:21:48,363 INFO L226 Difference]: Without dead ends: 420 [2024-11-09 03:21:48,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:21:48,375 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 144 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 144 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-09 03:21:48,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 598 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 302 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-11-09 03:21:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-09 03:21:48,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-09 03:21:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 240 states have internal predecessors, (281), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-09 03:21:48,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 598 transitions. [2024-11-09 03:21:48,542 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 598 transitions. Word has length 76 [2024-11-09 03:21:48,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:21:48,547 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 598 transitions. [2024-11-09 03:21:48,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 03:21:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 598 transitions. [2024-11-09 03:21:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 03:21:48,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:21:48,550 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:21:48,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:21:48,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-09 03:21:48,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:21:48,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1070793293, now seen corresponding path program 1 times [2024-11-09 03:21:48,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:21:48,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21323108] [2024-11-09 03:21:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:21:48,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms