./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC --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 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:51:26,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:51:26,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:51:26,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:51:26,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:51:26,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:51:26,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:51:26,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:51:26,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:51:26,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:51:26,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:51:26,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:51:26,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:51:26,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:51:26,317 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:51:26,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:51:26,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:51:26,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:51:26,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:51:26,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:51:26,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:51:26,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:51:26,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:51:26,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:51:26,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:51:26,319 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:51:26,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:26,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:51:26,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:26,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:51:26,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:51:26,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:51:26,323 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC 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 -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2024-11-24 01:51:26,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:51:26,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:51:26,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:51:26,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:51:26,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:51:26,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-24 01:51:29,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/data/4022d6d3b/edc24c26b29844e28d75b4a0327d346b/FLAG582183997 [2024-11-24 01:51:30,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:51:30,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-24 01:51:30,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/data/4022d6d3b/edc24c26b29844e28d75b4a0327d346b/FLAG582183997 [2024-11-24 01:51:30,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/data/4022d6d3b/edc24c26b29844e28d75b4a0327d346b [2024-11-24 01:51:30,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:51:30,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:51:30,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:30,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:51:30,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:51:30,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:30" (1/1) ... [2024-11-24 01:51:30,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@853b1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:30, skipping insertion in model container [2024-11-24 01:51:30,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:30" (1/1) ... [2024-11-24 01:51:30,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:51:30,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2024-11-24 01:51:30,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2024-11-24 01:51:31,890 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,891 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,892 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,893 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,894 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,913 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,914 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,917 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:31,918 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:32,966 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:32,966 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:33,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:51:33,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2024-11-24 01:51:33,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2024-11-24 01:51:33,224 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,225 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,225 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,226 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,226 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,233 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,233 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,234 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,235 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-24 01:51:33,436 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,437 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-24 01:51:33,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-24 01:51:33,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:33,823 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:51:33,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33 WrapperNode [2024-11-24 01:51:33,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:33,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:33,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:51:33,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:51:33,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:33,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,001 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1030 [2024-11-24 01:51:34,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:34,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:51:34,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:51:34,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:51:34,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,189 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [2, 257, 243, 49, 6, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 11, 10, 4, 4]. The 496 writes are split as follows [0, 257, 232, 4, 0, 3]. [2024-11-24 01:51:34,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:51:34,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:51:34,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:51:34,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:51:34,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (1/1) ... [2024-11-24 01:51:34,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:34,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:51:34,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:51:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-24 01:51:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-24 01:51:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:51:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-24 01:51:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-24 01:51:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-24 01:51:34,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-24 01:51:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-24 01:51:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:51:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:51:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:51:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:51:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:51:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:51:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:51:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-24 01:51:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 01:51:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:51:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:51:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:51:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-24 01:51:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-24 01:51:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:51:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:51:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-24 01:51:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-24 01:51:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-24 01:51:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:51:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:51:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:51:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:51:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-24 01:51:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-24 01:51:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-24 01:51:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:51:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:51:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:51:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:51:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:51:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:51:34,850 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:51:34,853 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:51:45,804 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-24 01:51:45,804 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:51:45,835 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:51:45,839 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 01:51:45,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:45 BoogieIcfgContainer [2024-11-24 01:51:45,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:51:45,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:51:45,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:51:45,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:51:45,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:51:30" (1/3) ... [2024-11-24 01:51:45,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273a61ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:45, skipping insertion in model container [2024-11-24 01:51:45,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:33" (2/3) ... [2024-11-24 01:51:45,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273a61ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:45, skipping insertion in model container [2024-11-24 01:51:45,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:45" (3/3) ... [2024-11-24 01:51:45,851 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2024-11-24 01:51:45,870 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:51:45,872 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_release_harness.i that has 27 procedures, 339 locations, 1 initial locations, 9 loop locations, and 4 error locations. [2024-11-24 01:51:45,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:51:45,971 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;@49a6fa45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:51:45,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-24 01:51:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-24 01:51:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-24 01:51:45,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:45,987 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:51:45,988 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)] === [2024-11-24 01:51:45,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:45,997 INFO L85 PathProgramCache]: Analyzing trace with hash -306356789, now seen corresponding path program 1 times [2024-11-24 01:51:46,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:46,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452496517] [2024-11-24 01:51:46,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:46,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-24 01:53:23,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:23,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452496517] [2024-11-24 01:53:23,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452496517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:53:23,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947543951] [2024-11-24 01:53:23,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:23,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:23,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:23,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:23,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:55:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:55:02,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 7581 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:55:02,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:55:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-24 01:55:02,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:55:02,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947543951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:55:02,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:55:02,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:55:02,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852258050] [2024-11-24 01:55:02,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:55:02,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:55:02,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:55:02,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:55:02,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:55:02,067 INFO L87 Difference]: Start difference. First operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:55:02,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:55:02,145 INFO L93 Difference]: Finished difference Result 621 states and 915 transitions. [2024-11-24 01:55:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:55:02,147 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2024-11-24 01:55:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:55:02,157 INFO L225 Difference]: With dead ends: 621 [2024-11-24 01:55:02,157 INFO L226 Difference]: Without dead ends: 313 [2024-11-24 01:55:02,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:55:02,165 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:55:02,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:55:02,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-24 01:55:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-24 01:55:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 198 states have (on average 1.202020202020202) internal successors, (238), 203 states have internal predecessors, (238), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-24 01:55:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 417 transitions. [2024-11-24 01:55:02,265 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 417 transitions. Word has length 66 [2024-11-24 01:55:02,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:55:02,267 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 417 transitions. [2024-11-24 01:55:02,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:55:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 417 transitions. [2024-11-24 01:55:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-24 01:55:02,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:55:02,270 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:55:02,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:55:02,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf93e59f-4f09-48d8-89ff-4e0171540208/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:55:02,471 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)] === [2024-11-24 01:55:02,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:55:02,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2018436681, now seen corresponding path program 1 times [2024-11-24 01:55:02,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:55:02,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187531801] [2024-11-24 01:55:02,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:55:02,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:56:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:56:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:56:40,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:56:40,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187531801] [2024-11-24 01:56:40,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187531801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:56:40,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:56:40,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:56:40,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612148543] [2024-11-24 01:56:40,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:56:40,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:56:40,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:56:40,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:56:40,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:56:40,823 INFO L87 Difference]: Start difference. First operand 313 states and 417 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:56:41,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:56:41,286 INFO L93 Difference]: Finished difference Result 610 states and 814 transitions. [2024-11-24 01:56:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:56:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66 [2024-11-24 01:56:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:56:41,296 INFO L225 Difference]: With dead ends: 610 [2024-11-24 01:56:41,300 INFO L226 Difference]: Without dead ends: 325 [2024-11-24 01:56:41,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:56:41,304 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 15 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:56:41,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2039 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:56:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-24 01:56:41,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 323. [2024-11-24 01:56:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 205 states have (on average 1.2) internal successors, (246), 211 states have internal predecessors, (246), 91 states have call successors, (91), 22 states have call predecessors, (91), 23 states have return successors, (92), 90 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-24 01:56:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 429 transitions. [2024-11-24 01:56:41,349 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 429 transitions. Word has length 66 [2024-11-24 01:56:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:56:41,350 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 429 transitions. [2024-11-24 01:56:41,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:56:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 429 transitions. [2024-11-24 01:56:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 01:56:41,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:56:41,354 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:56:41,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:56:41,354 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-11-24 01:56:41,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:56:41,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2123629213, now seen corresponding path program 1 times [2024-11-24 01:56:41,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:56:41,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893428609] [2024-11-24 01:56:41,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:56:41,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:58:13,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:13,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893428609] [2024-11-24 01:58:13,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893428609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:13,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:13,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:58:13,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415392485] [2024-11-24 01:58:13,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:13,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:58:13,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:13,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:58:13,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:58:13,636 INFO L87 Difference]: Start difference. First operand 323 states and 429 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:58:14,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:14,504 INFO L93 Difference]: Finished difference Result 624 states and 833 transitions. [2024-11-24 01:58:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:58:14,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2024-11-24 01:58:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:14,509 INFO L225 Difference]: With dead ends: 624 [2024-11-24 01:58:14,509 INFO L226 Difference]: Without dead ends: 329 [2024-11-24 01:58:14,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:58:14,515 INFO L435 NwaCegarLoop]: 409 mSDtfsCounter, 23 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:14,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2429 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:58:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-24 01:58:14,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2024-11-24 01:58:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 205 states have (on average 1.2) internal successors, (246), 211 states have internal predecessors, (246), 91 states have call successors, (91), 22 states have call predecessors, (91), 23 states have return successors, (92), 90 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-24 01:58:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 429 transitions. [2024-11-24 01:58:14,562 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 429 transitions. Word has length 67 [2024-11-24 01:58:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:14,563 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 429 transitions. [2024-11-24 01:58:14,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:58:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 429 transitions. [2024-11-24 01:58:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 01:58:14,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:14,566 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:58:14,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:58:14,567 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-24 01:58:14,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:14,567 INFO L85 PathProgramCache]: Analyzing trace with hash -2128706686, now seen corresponding path program 1 times [2024-11-24 01:58:14,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:14,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000005238] [2024-11-24 01:58:14,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:14,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:59:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:59:41,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:59:41,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000005238] [2024-11-24 01:59:41,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000005238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:41,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:41,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:59:41,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729771082] [2024-11-24 01:59:41,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:41,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:59:41,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:59:41,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:59:41,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:59:41,319 INFO L87 Difference]: Start difference. First operand 323 states and 429 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-24 01:59:41,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:41,950 INFO L93 Difference]: Finished difference Result 631 states and 876 transitions. [2024-11-24 01:59:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:59:41,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-24 01:59:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:41,953 INFO L225 Difference]: With dead ends: 631 [2024-11-24 01:59:41,954 INFO L226 Difference]: Without dead ends: 334 [2024-11-24 01:59:41,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:59:41,956 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 32 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:41,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2428 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:59:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-24 01:59:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 328. [2024-11-24 01:59:41,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 210 states have (on average 1.2) internal successors, (252), 215 states have internal predecessors, (252), 91 states have call successors, (91), 23 states have call predecessors, (91), 23 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-24 01:59:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 433 transitions. [2024-11-24 01:59:41,994 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 433 transitions. Word has length 67 [2024-11-24 01:59:41,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:41,995 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 433 transitions. [2024-11-24 01:59:41,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-24 01:59:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 433 transitions. [2024-11-24 01:59:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-24 01:59:41,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:41,998 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 01:59:41,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:59:41,999 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2024-11-24 01:59:42,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:42,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1564136443, now seen corresponding path program 1 times [2024-11-24 01:59:42,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:59:42,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330188019] [2024-11-24 01:59:42,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:42,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:01:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:01:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 02:01:14,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:01:14,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330188019] [2024-11-24 02:01:14,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330188019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:01:14,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:01:14,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:01:14,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864385967] [2024-11-24 02:01:14,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:01:14,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:01:14,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:01:14,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:01:14,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:01:14,014 INFO L87 Difference]: Start difference. First operand 328 states and 433 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 02:01:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:01:14,829 INFO L93 Difference]: Finished difference Result 638 states and 843 transitions. [2024-11-24 02:01:14,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:01:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2024-11-24 02:01:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:01:14,834 INFO L225 Difference]: With dead ends: 638 [2024-11-24 02:01:14,834 INFO L226 Difference]: Without dead ends: 336 [2024-11-24 02:01:14,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:01:14,837 INFO L435 NwaCegarLoop]: 406 mSDtfsCounter, 23 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:01:14,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2013 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:01:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-24 02:01:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 328. [2024-11-24 02:01:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 210 states have (on average 1.1952380952380952) internal successors, (251), 215 states have internal predecessors, (251), 91 states have call successors, (91), 23 states have call predecessors, (91), 23 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-24 02:01:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 432 transitions. [2024-11-24 02:01:14,871 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 432 transitions. Word has length 68 [2024-11-24 02:01:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:01:14,871 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 432 transitions. [2024-11-24 02:01:14,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 02:01:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 432 transitions. [2024-11-24 02:01:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-24 02:01:14,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:01:14,877 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 02:01:14,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:01:14,878 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-11-24 02:01:14,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:01:14,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1285213153, now seen corresponding path program 1 times [2024-11-24 02:01:14,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:01:14,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759049143] [2024-11-24 02:01:14,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:01:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 02:02:56,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:56,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759049143] [2024-11-24 02:02:56,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759049143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:56,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:56,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:02:56,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453502120] [2024-11-24 02:02:56,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:56,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:02:56,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:56,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:02:56,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:56,459 INFO L87 Difference]: Start difference. First operand 328 states and 432 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 02:02:57,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:57,302 INFO L93 Difference]: Finished difference Result 636 states and 839 transitions. [2024-11-24 02:02:57,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:02:57,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2024-11-24 02:02:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:57,307 INFO L225 Difference]: With dead ends: 636 [2024-11-24 02:02:57,307 INFO L226 Difference]: Without dead ends: 334 [2024-11-24 02:02:57,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:02:57,310 INFO L435 NwaCegarLoop]: 407 mSDtfsCounter, 22 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:57,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2422 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:02:57,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-24 02:02:57,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 328. [2024-11-24 02:02:57,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 210 states have (on average 1.1904761904761905) internal successors, (250), 215 states have internal predecessors, (250), 91 states have call successors, (91), 23 states have call predecessors, (91), 23 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-24 02:02:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2024-11-24 02:02:57,346 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 69 [2024-11-24 02:02:57,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:57,347 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2024-11-24 02:02:57,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 02:02:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2024-11-24 02:02:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 02:02:57,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:57,349 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-24 02:02:57,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:02:57,351 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-11-24 02:02:57,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:57,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1114009151, now seen corresponding path program 1 times [2024-11-24 02:02:57,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:57,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102594155] [2024-11-24 02:02:57,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:57,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 02:04:46,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:46,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102594155] [2024-11-24 02:04:46,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102594155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:46,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:46,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:46,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931270988] [2024-11-24 02:04:46,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:46,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:46,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:46,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:46,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:46,129 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 02:04:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:46,278 INFO L93 Difference]: Finished difference Result 334 states and 438 transitions. [2024-11-24 02:04:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:46,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-11-24 02:04:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:46,284 INFO L225 Difference]: With dead ends: 334 [2024-11-24 02:04:46,285 INFO L226 Difference]: Without dead ends: 332 [2024-11-24 02:04:46,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:46,287 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 0 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:46,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1235 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:04:46,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-24 02:04:46,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2024-11-24 02:04:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 213 states have (on average 1.1830985915492958) internal successors, (252), 218 states have internal predecessors, (252), 91 states have call successors, (91), 23 states have call predecessors, (91), 24 states have return successors, (92), 91 states have call predecessors, (92), 90 states have call successors, (92) [2024-11-24 02:04:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 435 transitions. [2024-11-24 02:04:46,312 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 435 transitions. Word has length 70 [2024-11-24 02:04:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:46,314 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 435 transitions. [2024-11-24 02:04:46,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 02:04:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 435 transitions. [2024-11-24 02:04:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-24 02:04:46,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:46,317 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 02:04:46,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:04:46,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting aws_atomic_load_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)] === [2024-11-24 02:04:46,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash 671796480, now seen corresponding path program 1 times [2024-11-24 02:04:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:46,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142827195] [2024-11-24 02:04:46,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms