./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:58:54,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:58:54,472 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:58:54,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:58:54,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:58:54,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:58:54,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:58:54,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:58:54,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:58:54,509 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:58:54,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:58:54,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:58:54,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:58:54,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:58:54,512 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:58:54,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:58:54,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:58:54,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:58:54,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:58:54,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:58:54,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:58:54,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:58:54,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:58:54,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:58:54,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:58:54,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:58:54,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:58:54,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:58:54,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:58:54,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:58:54,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:58:54,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:58:54,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:58:54,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-11-12 08:58:54,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:58:54,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:58:54,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:58:54,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:58:54,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:58:54,778 INFO L431 ainManager$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 [2024-11-12 08:58:56,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:58:56,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:58:56,667 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-12 08:58:56,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0813731/9dc87c6deeb6412cb6067121ad9b54bb/FLAGe20e1139e [2024-11-12 08:58:56,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f0813731/9dc87c6deeb6412cb6067121ad9b54bb [2024-11-12 08:58:56,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:58:56,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:58:56,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:58:56,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:58:56,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:58:56,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:58:56" (1/1) ... [2024-11-12 08:58:56,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10333d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:56, skipping insertion in model container [2024-11-12 08:58:56,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:58:56" (1/1) ... [2024-11-12 08:58:57,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:58:57,288 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] [2024-11-12 08:58:57,296 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] [2024-11-12 08:58:58,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,039 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:58:58,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:58:58,744 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] [2024-11-12 08:58:58,748 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] [2024-11-12 08:58:58,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-12 08:58:58,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:58:58,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-12 08:58:58,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:58:59,146 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:58:59,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59 WrapperNode [2024-11-12 08:58:59,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:58:59,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:58:59,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:58:59,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:58:59,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,339 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-12 08:58:59,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:58:59,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:58:59,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:58:59,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:58:59,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,500 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [68, 257, 2, 54, 243]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [10, 0, 2, 4, 11]. The 523 writes are split as follows [4, 257, 0, 30, 232]. [2024-11-12 08:58:59,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:58:59,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:58:59,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:58:59,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:58:59,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (1/1) ... [2024-11-12 08:58:59,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:58:59,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:59,632 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) [2024-11-12 08:58:59,634 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 [2024-11-12 08:58:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:58:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:58:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:58:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:58:59,676 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:58:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-12 08:58:59,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-12 08:58:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:58:59,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:58:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:58:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:58:59,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:58:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-12 08:58:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-12 08:58:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:58:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:58:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:58:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:58:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:58:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:58:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:58:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-12 08:58:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:58:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-12 08:58:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:58:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-12 08:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-12 08:58:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-12 08:58:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:58:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-12 08:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-12 08:58:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-12 08:58:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-12 08:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:58:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:58:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:58:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-12 08:58:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-12 08:58:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-12 08:58:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-12 08:58:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:58:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:58:59,977 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:58:59,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:59:09,556 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-12 08:59:09,556 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:59:09,572 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:59:09,572 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 08:59:09,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:59:09 BoogieIcfgContainer [2024-11-12 08:59:09,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:59:09,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:59:09,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:59:09,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:59:09,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:58:56" (1/3) ... [2024-11-12 08:59:09,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb38e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:59:09, skipping insertion in model container [2024-11-12 08:59:09,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:58:59" (2/3) ... [2024-11-12 08:59:09,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb38e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:59:09, skipping insertion in model container [2024-11-12 08:59:09,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:59:09" (3/3) ... [2024-11-12 08:59:09,583 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-12 08:59:09,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:59:09,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 08:59:09,696 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:59:09,702 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;@ff66f52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:59:09,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-12 08:59:09,707 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) [2024-11-12 08:59:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-12 08:59:09,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:59:09,717 INFO L218 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] [2024-11-12 08:59:09,717 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)] === [2024-11-12 08:59:09,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:59:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-12 08:59:09,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:59:09,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011241165] [2024-11-12 08:59:09,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:59:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:00:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:00:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:00:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:00:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 09:00:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:00:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:00:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 09:00:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:00:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:00:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 09:00:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 09:00:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 09:00:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-12 09:00:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:00:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-12 09:00:32,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:00:32,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011241165] [2024-11-12 09:00:32,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011241165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:00:32,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:00:32,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:00:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899518704] [2024-11-12 09:00:32,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:00:32,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:00:32,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:00:32,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:00:32,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:00:32,321 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) [2024-11-12 09:00:36,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []