./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB --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 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:21:45,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:21:45,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:21:45,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:21:45,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:21:45,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:21:45,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:21:45,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:21:45,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:21:45,410 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:21:45,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:21:45,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:21:45,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:21:45,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:21:45,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:21:45,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:21:45,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:21:45,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:21:45,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:21:45,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:21:45,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:21:45,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:21:45,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:21:45,413 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:21:45,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:21:45,414 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:21:45,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:45,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:45,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:45,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:45,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:21:45,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:21:45,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:21:45,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:21:45,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:45,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:21:45,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:21:45,416 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:21:45,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:21:45,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:21:45,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:21:45,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:21:45,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:21:45,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:21:45,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:21:45,417 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_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2024-11-28 04:21:45,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:21:45,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:21:45,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:21:45,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:21:45,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:21:45,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-28 04:21:49,200 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/data/8a4a63ad3/21f982f50e0a408c9b3ecb4361c12f0a/FLAGf23cbdcd8 [2024-11-28 04:21:50,177 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:21:50,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-11-28 04:21:50,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/data/8a4a63ad3/21f982f50e0a408c9b3ecb4361c12f0a/FLAGf23cbdcd8 [2024-11-28 04:21:50,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/data/8a4a63ad3/21f982f50e0a408c9b3ecb4361c12f0a [2024-11-28 04:21:50,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:21:50,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:21:50,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:50,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:21:50,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:21:50,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:50" (1/1) ... [2024-11-28 04:21:50,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634c7d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:50, skipping insertion in model container [2024-11-28 04:21:50,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:21:50" (1/1) ... [2024-11-28 04:21:50,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:21:50,798 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_5394be78-0f10-40bf-ad41-985702762a7f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-11-28 04:21:50,808 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_5394be78-0f10-40bf-ad41-985702762a7f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-11-28 04:21:52,039 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,044 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,044 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,046 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,048 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,070 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,071 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,074 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:52,075 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,204 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,205 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:53,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:21:53,488 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_5394be78-0f10-40bf-ad41-985702762a7f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-11-28 04:21:53,489 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_5394be78-0f10-40bf-ad41-985702762a7f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-11-28 04:21:53,540 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,541 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,542 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,542 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,550 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,551 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,552 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,553 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-28 04:21:53,726 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,726 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:21:53,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-28 04:21:53,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:21:54,166 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:21:54,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54 WrapperNode [2024-11-28 04:21:54,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:21:54,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:54,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:21:54,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:21:54,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,398 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-28 04:21:54,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:21:54,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:21:54,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:21:54,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:21:54,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,571 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 243, 68, 54]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 11, 10, 4]. The 523 writes are split as follows [257, 0, 232, 4, 30]. [2024-11-28 04:21:54,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,646 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:21:54,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:21:54,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:21:54,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:21:54,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (1/1) ... [2024-11-28 04:21:54,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:21:54,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:21:54,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:21:54,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:21:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-28 04:21:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-28 04:21:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:21:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 04:21:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 04:21:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-28 04:21:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-28 04:21:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:21:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:21:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:21:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:21:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:21:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:21:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:21:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:21:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:21:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:21:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 04:21:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 04:21:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:21:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:21:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:21:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:21:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:21:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:21:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:21:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:21:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:21:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-28 04:21:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-28 04:21:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:21:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:21:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 04:21:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 04:21:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 04:21:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 04:21:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:21:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:21:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:21:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:21:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:21:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-28 04:21:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-28 04:21:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:21:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:21:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-28 04:21:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-28 04:21:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:21:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:21:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:21:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:21:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-28 04:21:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-28 04:21:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-28 04:21:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-28 04:21:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 04:21:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 04:21:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-28 04:21:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-28 04:21:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-28 04:21:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-28 04:21:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-28 04:21:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-28 04:21:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-28 04:21:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-28 04:21:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-28 04:21:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-28 04:21:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:21:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:21:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:21:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:21:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:21:55,375 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:21:55,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:22:07,780 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-28 04:22:07,780 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:22:07,802 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:22:07,803 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:22:07,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:22:07 BoogieIcfgContainer [2024-11-28 04:22:07,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:22:07,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:22:07,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:22:07,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:22:07,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:21:50" (1/3) ... [2024-11-28 04:22:07,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c9d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:22:07, skipping insertion in model container [2024-11-28 04:22:07,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:21:54" (2/3) ... [2024-11-28 04:22:07,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c9d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:22:07, skipping insertion in model container [2024-11-28 04:22:07,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:22:07" (3/3) ... [2024-11-28 04:22:07,814 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2024-11-28 04:22:07,834 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:22:07,836 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_up_to_harness.i that has 22 procedures, 426 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2024-11-28 04:22:07,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:22:07,936 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;@598deb4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:22:07,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 04:22:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-28 04:22:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 04:22:07,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:22:07,954 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:22:07,955 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)] === [2024-11-28 04:22:07,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:22:07,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-28 04:22:07,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:22:07,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81663978] [2024-11-28 04:22:07,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:22:07,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-28 04:23:45,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81663978] [2024-11-28 04:23:45,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81663978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:23:45,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970898187] [2024-11-28 04:23:45,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:45,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:23:45,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:23:45,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:23:45,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:25:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:37,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 7599 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:25:37,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:25:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-28 04:25:37,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:25:37,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970898187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:37,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:25:37,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:25:37,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911721100] [2024-11-28 04:25:37,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:37,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:25:37,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:37,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:25:37,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:25:37,374 INFO L87 Difference]: Start difference. First operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:25:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:37,503 INFO L93 Difference]: Finished difference Result 833 states and 1316 transitions. [2024-11-28 04:25:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:25:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 76 [2024-11-28 04:25:37,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:37,522 INFO L225 Difference]: With dead ends: 833 [2024-11-28 04:25:37,522 INFO L226 Difference]: Without dead ends: 420 [2024-11-28 04:25:37,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:25:37,536 INFO L435 NwaCegarLoop]: 603 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, 603 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 [2024-11-28 04:25:37,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:25:37,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-28 04:25:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-28 04:25:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 240 states have internal predecessors, (281), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-28 04:25:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 598 transitions. [2024-11-28 04:25:37,687 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 598 transitions. Word has length 76 [2024-11-28 04:25:37,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:37,689 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 598 transitions. [2024-11-28 04:25:37,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:25:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 598 transitions. [2024-11-28 04:25:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 04:25:37,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:37,693 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:37,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:25:37,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394be78-0f10-40bf-ad41-985702762a7f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:25:37,894 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)] === [2024-11-28 04:25:37,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:37,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1070793293, now seen corresponding path program 1 times [2024-11-28 04:25:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:37,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095713116] [2024-11-28 04:25:37,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:37,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:27:34,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:34,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095713116] [2024-11-28 04:27:34,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095713116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:34,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:34,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:27:34,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454229776] [2024-11-28 04:27:34,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:34,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:27:34,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:34,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:27:34,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:27:34,241 INFO L87 Difference]: Start difference. First operand 420 states and 598 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:27:34,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:34,926 INFO L93 Difference]: Finished difference Result 822 states and 1173 transitions. [2024-11-28 04:27:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:27:34,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 76 [2024-11-28 04:27:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:34,944 INFO L225 Difference]: With dead ends: 822 [2024-11-28 04:27:34,946 INFO L226 Difference]: Without dead ends: 432 [2024-11-28 04:27:34,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:27:34,952 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 15 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:34,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2938 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:27:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-28 04:27:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2024-11-28 04:27:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 243 states have (on average 1.1893004115226338) internal successors, (289), 248 states have internal predecessors, (289), 160 states have call successors, (160), 22 states have call predecessors, (160), 23 states have return successors, (161), 159 states have call predecessors, (161), 159 states have call successors, (161) [2024-11-28 04:27:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 610 transitions. [2024-11-28 04:27:35,046 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 610 transitions. Word has length 76 [2024-11-28 04:27:35,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:35,050 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 610 transitions. [2024-11-28 04:27:35,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:27:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 610 transitions. [2024-11-28 04:27:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 04:27:35,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:35,056 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:35,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:27:35,056 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)] === [2024-11-28 04:27:35,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:35,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1511353199, now seen corresponding path program 1 times [2024-11-28 04:27:35,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:35,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742598653] [2024-11-28 04:27:35,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:35,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:29:28,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:28,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742598653] [2024-11-28 04:29:28,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742598653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:28,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:28,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:29:28,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490897212] [2024-11-28 04:29:28,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:28,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:29:28,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:28,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:29:28,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:28,351 INFO L87 Difference]: Start difference. First operand 430 states and 610 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:29:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:29,369 INFO L93 Difference]: Finished difference Result 836 states and 1192 transitions. [2024-11-28 04:29:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:29:29,371 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2024-11-28 04:29:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:29,376 INFO L225 Difference]: With dead ends: 836 [2024-11-28 04:29:29,377 INFO L226 Difference]: Without dead ends: 436 [2024-11-28 04:29:29,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:29:29,381 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 23 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:29,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2923 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:29:29,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-28 04:29:29,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 430. [2024-11-28 04:29:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 243 states have (on average 1.1893004115226338) internal successors, (289), 248 states have internal predecessors, (289), 160 states have call successors, (160), 22 states have call predecessors, (160), 23 states have return successors, (161), 159 states have call predecessors, (161), 159 states have call successors, (161) [2024-11-28 04:29:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 610 transitions. [2024-11-28 04:29:29,441 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 610 transitions. Word has length 77 [2024-11-28 04:29:29,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:29,441 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 610 transitions. [2024-11-28 04:29:29,442 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:29:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 610 transitions. [2024-11-28 04:29:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 04:29:29,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:29,446 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:29,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:29:29,447 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)] === [2024-11-28 04:29:29,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:29,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1518949006, now seen corresponding path program 1 times [2024-11-28 04:29:29,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:29,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711381600] [2024-11-28 04:29:29,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:29,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:31:16,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711381600] [2024-11-28 04:31:16,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711381600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:16,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:16,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:31:16,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458438454] [2024-11-28 04:31:16,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:16,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:31:16,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:16,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:31:16,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:31:16,543 INFO L87 Difference]: Start difference. First operand 430 states and 610 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 04:31:17,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:17,268 INFO L93 Difference]: Finished difference Result 843 states and 1245 transitions. [2024-11-28 04:31:17,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:31:17,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 77 [2024-11-28 04:31:17,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:17,274 INFO L225 Difference]: With dead ends: 843 [2024-11-28 04:31:17,274 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:31:17,278 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 [2024-11-28 04:31:17,279 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 32 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:17,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3508 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:31:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:31:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2024-11-28 04:31:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 248 states have (on average 1.189516129032258) internal successors, (295), 252 states have internal predecessors, (295), 160 states have call successors, (160), 23 states have call predecessors, (160), 23 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-28 04:31:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 614 transitions. [2024-11-28 04:31:17,313 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 614 transitions. Word has length 77 [2024-11-28 04:31:17,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:17,314 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 614 transitions. [2024-11-28 04:31:17,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 04:31:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 614 transitions. [2024-11-28 04:31:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 04:31:17,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:17,316 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:17,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:31:17,317 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)] === [2024-11-28 04:31:17,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:17,317 INFO L85 PathProgramCache]: Analyzing trace with hash 161000777, now seen corresponding path program 1 times [2024-11-28 04:31:17,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:17,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649930564] [2024-11-28 04:31:17,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:17,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:33:03,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:03,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649930564] [2024-11-28 04:33:03,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649930564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:03,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:03,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:33:03,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340557061] [2024-11-28 04:33:03,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:03,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:33:03,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:03,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:33:03,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:03,624 INFO L87 Difference]: Start difference. First operand 435 states and 614 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:33:04,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:04,815 INFO L93 Difference]: Finished difference Result 850 states and 1202 transitions. [2024-11-28 04:33:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:33:04,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 78 [2024-11-28 04:33:04,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:04,822 INFO L225 Difference]: With dead ends: 850 [2024-11-28 04:33:04,822 INFO L226 Difference]: Without dead ends: 443 [2024-11-28 04:33:04,825 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 [2024-11-28 04:33:04,826 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 23 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:04,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3496 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:33:04,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-28 04:33:04,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 435. [2024-11-28 04:33:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 248 states have (on average 1.185483870967742) internal successors, (294), 252 states have internal predecessors, (294), 160 states have call successors, (160), 23 states have call predecessors, (160), 23 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-28 04:33:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 613 transitions. [2024-11-28 04:33:04,872 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 613 transitions. Word has length 78 [2024-11-28 04:33:04,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:04,873 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 613 transitions. [2024-11-28 04:33:04,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:33:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 613 transitions. [2024-11-28 04:33:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 04:33:04,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:04,877 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:04,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:33:04,877 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)] === [2024-11-28 04:33:04,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:04,878 INFO L85 PathProgramCache]: Analyzing trace with hash 578883085, now seen corresponding path program 1 times [2024-11-28 04:33:04,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:04,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441111712] [2024-11-28 04:33:04,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:04,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:34:59,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:59,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441111712] [2024-11-28 04:34:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441111712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:59,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:59,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:34:59,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541117209] [2024-11-28 04:34:59,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:59,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:34:59,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:59,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:34:59,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:34:59,822 INFO L87 Difference]: Start difference. First operand 435 states and 613 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:35:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:00,761 INFO L93 Difference]: Finished difference Result 848 states and 1198 transitions. [2024-11-28 04:35:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:35:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 79 [2024-11-28 04:35:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:00,770 INFO L225 Difference]: With dead ends: 848 [2024-11-28 04:35:00,772 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:35:00,779 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 [2024-11-28 04:35:00,780 INFO L435 NwaCegarLoop]: 588 mSDtfsCounter, 22 mSDsluCounter, 2328 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:00,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2916 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:35:00,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:35:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2024-11-28 04:35:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 248 states have (on average 1.1814516129032258) internal successors, (293), 252 states have internal predecessors, (293), 160 states have call successors, (160), 23 states have call predecessors, (160), 23 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-28 04:35:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 612 transitions. [2024-11-28 04:35:00,822 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 612 transitions. Word has length 79 [2024-11-28 04:35:00,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:00,823 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 612 transitions. [2024-11-28 04:35:00,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:35:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 612 transitions. [2024-11-28 04:35:00,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 04:35:00,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:00,828 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:00,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:35:00,828 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)] === [2024-11-28 04:35:00,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:00,829 INFO L85 PathProgramCache]: Analyzing trace with hash 762849349, now seen corresponding path program 1 times [2024-11-28 04:35:00,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:00,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784517656] [2024-11-28 04:35:00,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms