./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_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_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 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:19:58,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:19:58,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:19:58,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:19:58,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:19:58,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:19:58,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:19:58,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:19:58,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:19:58,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:19:58,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:19:58,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:19:58,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:19:58,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:19:58,522 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:19:58,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:19:58,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:19:58,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:19:58,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:19:58,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:19:58,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:19:58,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:19:58,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:19:58,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:19:58,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:19:58,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:19:58,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:19:58,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:19:58,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:19:58,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:19:58,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:19:58,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:19:58,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:19:58,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:19:58,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:19:58,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:19:58,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:19:58,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:19:58,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:19:58,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 [2024-11-09 03:19:58,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:19:58,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:19:58,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:19:58,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:19:58,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:19:58,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2024-11-09 03:20:00,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:20:00,465 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:20:00,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2024-11-09 03:20:00,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dff880bde/56b867c986414ac985de6009d21d7310/FLAG375c94c56 [2024-11-09 03:20:00,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dff880bde/56b867c986414ac985de6009d21d7310 [2024-11-09 03:20:00,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:20:00,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:20:00,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:00,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:20:00,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:20:00,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:00,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a58d822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00, skipping insertion in model container [2024-11-09 03:20:00,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:00,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:20:00,910 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_harness_negated.i[4497,4510] [2024-11-09 03:20:00,917 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_harness_negated.i[4557,4570] [2024-11-09 03:20:01,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:01,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:01,975 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:20:01,988 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_harness_negated.i[4497,4510] [2024-11-09 03:20:01,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2024-11-09 03:20:02,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-09 03:20:02,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:02,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-09 03:20:02,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:02,494 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:20:02,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02 WrapperNode [2024-11-09 03:20:02,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:02,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:02,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:20:02,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:20:02,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,680 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1208 [2024-11-09 03:20:02,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:02,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:20:02,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:20:02,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:20:02,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,771 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [257, 2, 47, 68, 243]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 4, 10, 11]. The 515 writes are split as follows [257, 0, 22, 4, 232]. [2024-11-09 03:20:02,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:20:02,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:20:02,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:20:02,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:20:02,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (1/1) ... [2024-11-09 03:20:02,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:02,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:20:02,895 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 03:20:02,897 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 03:20:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:20:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:20:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 03:20:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:20:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:20:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:20:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:20:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:20:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:20:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:20:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 03:20:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:20:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:20:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-09 03:20:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-09 03:20:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:20:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:20:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 03:20:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 03:20:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 03:20:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:20:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:20:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 03:20:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 03:20:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:20:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:20:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:20:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:20:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:20:03,271 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:20:03,274 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:20:12,293 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-09 03:20:12,293 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:20:12,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:20:12,320 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 03:20:12,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:12 BoogieIcfgContainer [2024-11-09 03:20:12,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:20:12,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:20:12,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:20:12,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:20:12,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:20:00" (1/3) ... [2024-11-09 03:20:12,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba186e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:12, skipping insertion in model container [2024-11-09 03:20:12,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:02" (2/3) ... [2024-11-09 03:20:12,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba186e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:12, skipping insertion in model container [2024-11-09 03:20:12,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:12" (3/3) ... [2024-11-09 03:20:12,329 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness_negated.i [2024-11-09 03:20:12,343 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:20:12,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 03:20:12,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:20:12,411 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;@3c76730d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:20:12,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 03:20:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-09 03:20:12,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 03:20:12,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:12,426 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 03:20:12,426 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 03:20:12,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:12,432 INFO L85 PathProgramCache]: Analyzing trace with hash -832162892, now seen corresponding path program 1 times [2024-11-09 03:20:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:12,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667914370] [2024-11-09 03:20:12,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:21:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:21:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:21:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:21:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:21:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:21:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:21:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:21:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:21:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:21:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:21:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:21:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 03:21:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 03:21:29,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:21:29,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667914370] [2024-11-09 03:21:29,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667914370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:21:29,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:21:29,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:21:29,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530216363] [2024-11-09 03:21:29,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:21:29,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:21:29,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:21:29,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:21:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:21:29,387 INFO L87 Difference]: Start difference. First operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 03:21:33,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:21:37,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:21:37,884 INFO L93 Difference]: Finished difference Result 807 states and 1260 transitions. [2024-11-09 03:21:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:21:37,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 71 [2024-11-09 03:21:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:21:37,897 INFO L225 Difference]: With dead ends: 807 [2024-11-09 03:21:37,898 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 03:21:37,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 03:21:37,906 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 144 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-09 03:21:37,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 566 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 291 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2024-11-09 03:21:37,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 03:21:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-09 03:21:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 235 states have (on average 1.1872340425531915) internal successors, (279), 240 states have internal predecessors, (279), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-09 03:21:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 570 transitions. [2024-11-09 03:21:37,988 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 570 transitions. Word has length 71 [2024-11-09 03:21:37,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:21:37,990 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 570 transitions. [2024-11-09 03:21:37,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 03:21:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 570 transitions. [2024-11-09 03:21:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 03:21:37,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:21:37,992 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 03:21:37,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:21:37,993 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 03:21:37,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:21:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1492630578, now seen corresponding path program 1 times [2024-11-09 03:21:37,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:21:37,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843670893] [2024-11-09 03:21:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:21:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms