./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16d2f3b385e0ea89d3d304cb22ab2543f0370038b04088b3a79ecd88669dd00e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:29:17,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:29:17,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:29:17,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:29:17,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:29:17,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:29:17,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:29:17,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:29:17,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:29:17,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:29:17,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:29:17,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:29:17,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:29:17,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:29:17,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:29:17,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:29:17,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:29:17,261 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:29:17,261 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:29:17,261 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:29:17,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:29:17,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:29:17,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:29:17,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:17,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:29:17,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:29:17,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:29:17,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:29:17,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:17,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:29:17,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:29:17,262 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:29:17,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:29:17,264 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16d2f3b385e0ea89d3d304cb22ab2543f0370038b04088b3a79ecd88669dd00e [2025-01-09 17:29:17,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:29:17,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:29:17,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:29:17,575 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:29:17,575 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:29:17,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2025-01-09 17:29:18,842 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ee1b2a77/2634e140192f4080a25f92b94c861db5/FLAG496449d91 [2025-01-09 17:29:19,464 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:29:19,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2025-01-09 17:29:19,498 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ee1b2a77/2634e140192f4080a25f92b94c861db5/FLAG496449d91 [2025-01-09 17:29:19,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ee1b2a77/2634e140192f4080a25f92b94c861db5 [2025-01-09 17:29:19,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:29:19,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:29:19,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:29:19,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:29:19,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:29:19,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:29:19" (1/1) ... [2025-01-09 17:29:19,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6807de3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:19, skipping insertion in model container [2025-01-09 17:29:19,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:29:19" (1/1) ... [2025-01-09 17:29:19,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:29:19,806 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2025-01-09 17:29:19,813 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2025-01-09 17:29:20,339 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,339 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,344 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[174042,174055] [2025-01-09 17:29:20,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:29:20,803 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:29:20,814 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2025-01-09 17:29:20,814 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2025-01-09 17:29:20,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2025-01-09 17:29:21,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[174042,174055] [2025-01-09 17:29:21,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:29:21,231 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:29:21,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21 WrapperNode [2025-01-09 17:29:21,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:29:21,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:29:21,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:29:21,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:29:21,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,368 INFO L138 Inliner]: procedures = 678, calls = 1512, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 576 [2025-01-09 17:29:21,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:29:21,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:29:21,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:29:21,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:29:21,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,460 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 5, 26]. 88 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 5, 5]. The 237 writes are split as follows [0, 232, 0, 5]. [2025-01-09 17:29:21,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,489 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:29:21,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:29:21,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:29:21,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:29:21,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (1/1) ... [2025-01-09 17:29:21,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:29:21,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:29:21,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:29:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:29:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:29:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:29:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-01-09 17:29:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-01-09 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:29:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:29:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2025-01-09 17:29:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2025-01-09 17:29:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:29:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:29:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:29:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:29:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-01-09 17:29:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-01-09 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:29:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:29:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:29:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:29:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:29:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:29:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:29:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:29:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:29:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:29:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:29:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-01-09 17:29:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:29:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:29:21,850 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:29:21,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:29:27,447 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2025-01-09 17:29:27,447 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:29:27,461 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:29:27,462 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:29:27,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:29:27 BoogieIcfgContainer [2025-01-09 17:29:27,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:29:27,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:29:27,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:29:27,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:29:27,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:29:19" (1/3) ... [2025-01-09 17:29:27,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4610e129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:29:27, skipping insertion in model container [2025-01-09 17:29:27,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:21" (2/3) ... [2025-01-09 17:29:27,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4610e129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:29:27, skipping insertion in model container [2025-01-09 17:29:27,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:29:27" (3/3) ... [2025-01-09 17:29:27,472 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness_negated.i [2025-01-09 17:29:27,486 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:29:27,487 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_init_harness_negated.i that has 20 procedures, 159 locations, 1 initial locations, 6 loop locations, and 3 error locations. [2025-01-09 17:29:27,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:29:27,553 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;@6c6367b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:29:27,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 17:29:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 98 states have (on average 1.2448979591836735) internal successors, (122), 101 states have internal predecessors, (122), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-09 17:29:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-09 17:29:27,568 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:27,569 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:29:27,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:29:27,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:27,575 INFO L85 PathProgramCache]: Analyzing trace with hash 994622200, now seen corresponding path program 1 times [2025-01-09 17:29:27,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:27,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183015575] [2025-01-09 17:29:27,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:29:32,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 17:29:32,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 17:29:32,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:29:32,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:29:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-01-09 17:29:33,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:29:33,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183015575] [2025-01-09 17:29:33,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183015575] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:29:33,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487325449] [2025-01-09 17:29:33,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:33,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:29:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:29:33,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:29:33,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 17:29:37,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 17:29:38,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 17:29:38,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:29:38,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:29:38,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 4015 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 17:29:38,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 17:29:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-09 17:29:38,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 17:29:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487325449] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:29:38,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 17:29:38,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 17:29:38,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330602311] [2025-01-09 17:29:38,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:29:38,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:29:38,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:29:38,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:29:38,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:29:38,522 INFO L87 Difference]: Start difference. First operand has 147 states, 98 states have (on average 1.2448979591836735) internal successors, (122), 101 states have internal predecessors, (122), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 17:29:38,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:29:38,561 INFO L93 Difference]: Finished difference Result 283 states and 370 transitions. [2025-01-09 17:29:38,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:29:38,563 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2025-01-09 17:29:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:29:38,569 INFO L225 Difference]: With dead ends: 283 [2025-01-09 17:29:38,570 INFO L226 Difference]: Without dead ends: 140 [2025-01-09 17:29:38,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:29:38,576 INFO L435 NwaCegarLoop]: 174 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, 174 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 [2025-01-09 17:29:38,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:29:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-01-09 17:29:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2025-01-09 17:29:38,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 94 states have internal predecessors, (108), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-09 17:29:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 167 transitions. [2025-01-09 17:29:38,617 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 167 transitions. Word has length 87 [2025-01-09 17:29:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:29:38,618 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 167 transitions. [2025-01-09 17:29:38,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 17:29:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 167 transitions. [2025-01-09 17:29:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 17:29:38,621 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:38,621 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:29:38,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 17:29:38,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 17:29:38,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:29:38,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:38,823 INFO L85 PathProgramCache]: Analyzing trace with hash 690706087, now seen corresponding path program 1 times [2025-01-09 17:29:38,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:38,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982443219] [2025-01-09 17:29:38,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:38,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:29:43,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 17:29:43,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 17:29:43,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:29:43,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:29:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 17:29:45,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:29:45,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982443219] [2025-01-09 17:29:45,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982443219] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:29:45,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:29:45,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 17:29:45,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034503193] [2025-01-09 17:29:45,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:29:45,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:29:45,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:29:45,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:29:45,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 17:29:45,138 INFO L87 Difference]: Start difference. First operand 140 states and 167 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 17:29:45,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:29:45,370 INFO L93 Difference]: Finished difference Result 222 states and 267 transitions. [2025-01-09 17:29:45,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:29:45,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2025-01-09 17:29:45,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:29:45,374 INFO L225 Difference]: With dead ends: 222 [2025-01-09 17:29:45,374 INFO L226 Difference]: Without dead ends: 146 [2025-01-09 17:29:45,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 17:29:45,376 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 2 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:29:45,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 810 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:29:45,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-01-09 17:29:45,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2025-01-09 17:29:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.1789473684210525) internal successors, (112), 98 states have internal predecessors, (112), 30 states have call successors, (30), 16 states have call predecessors, (30), 17 states have return successors, (30), 30 states have call predecessors, (30), 29 states have call successors, (30) [2025-01-09 17:29:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2025-01-09 17:29:45,390 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 93 [2025-01-09 17:29:45,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:29:45,391 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2025-01-09 17:29:45,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 17:29:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2025-01-09 17:29:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-09 17:29:45,393 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:45,394 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:29:45,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 17:29:45,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:29:45,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1637815256, now seen corresponding path program 1 times [2025-01-09 17:29:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:45,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726591261] [2025-01-09 17:29:45,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:45,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:29:49,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-09 17:29:49,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-09 17:29:49,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:29:49,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:29:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-09 17:29:50,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:29:50,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726591261] [2025-01-09 17:29:50,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726591261] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:29:50,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:29:50,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 17:29:50,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856211546] [2025-01-09 17:29:50,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:29:50,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 17:29:50,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:29:50,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 17:29:50,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 17:29:50,072 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 17:29:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:29:50,159 INFO L93 Difference]: Finished difference Result 206 states and 246 transitions. [2025-01-09 17:29:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 17:29:50,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2025-01-09 17:29:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:29:50,162 INFO L225 Difference]: With dead ends: 206 [2025-01-09 17:29:50,162 INFO L226 Difference]: Without dead ends: 145 [2025-01-09 17:29:50,163 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 [2025-01-09 17:29:50,164 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:29:50,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 493 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:29:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-01-09 17:29:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-01-09 17:29:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.168421052631579) internal successors, (111), 98 states have internal predecessors, (111), 30 states have call successors, (30), 16 states have call predecessors, (30), 17 states have return successors, (30), 30 states have call predecessors, (30), 29 states have call successors, (30) [2025-01-09 17:29:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2025-01-09 17:29:50,174 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 99 [2025-01-09 17:29:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:29:50,175 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2025-01-09 17:29:50,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-01-09 17:29:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2025-01-09 17:29:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 17:29:50,176 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:50,177 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:29:50,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 17:29:50,177 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:29:50,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:50,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1896362483, now seen corresponding path program 1 times [2025-01-09 17:29:50,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:50,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656916347] [2025-01-09 17:29:50,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:29:53,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 17:29:53,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 17:29:53,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:29:53,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:29:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-09 17:29:57,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:29:57,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656916347] [2025-01-09 17:29:57,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656916347] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:29:57,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:29:57,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 17:29:57,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410373162] [2025-01-09 17:29:57,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:29:57,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 17:29:57,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:29:57,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 17:29:57,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:29:57,855 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 17:29:58,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:29:58,323 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2025-01-09 17:29:58,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 17:29:58,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 107 [2025-01-09 17:29:58,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:29:58,327 INFO L225 Difference]: With dead ends: 221 [2025-01-09 17:29:58,327 INFO L226 Difference]: Without dead ends: 134 [2025-01-09 17:29:58,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 17:29:58,328 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-09 17:29:58,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1278 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-09 17:29:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-01-09 17:29:58,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-01-09 17:29:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 87 states have (on average 1.160919540229885) internal successors, (101), 90 states have internal predecessors, (101), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:29:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2025-01-09 17:29:58,347 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 107 [2025-01-09 17:29:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:29:58,347 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2025-01-09 17:29:58,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 17:29:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2025-01-09 17:29:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-09 17:29:58,349 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:58,349 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:29:58,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 17:29:58,349 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:29:58,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash 116752994, now seen corresponding path program 1 times [2025-01-09 17:29:58,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:58,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146769572] [2025-01-09 17:29:58,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:58,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:01,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-09 17:30:02,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-09 17:30:02,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:02,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 17:30:03,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:03,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146769572] [2025-01-09 17:30:03,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146769572] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:03,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:03,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:30:03,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501485788] [2025-01-09 17:30:03,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:03,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:30:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:03,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:30:03,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:30:03,404 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:03,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:03,598 INFO L93 Difference]: Finished difference Result 199 states and 241 transitions. [2025-01-09 17:30:03,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:30:03,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 112 [2025-01-09 17:30:03,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:03,600 INFO L225 Difference]: With dead ends: 199 [2025-01-09 17:30:03,600 INFO L226 Difference]: Without dead ends: 134 [2025-01-09 17:30:03,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:30:03,601 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 6 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:03,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 446 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:30:03,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-01-09 17:30:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-01-09 17:30:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 87 states have (on average 1.1494252873563218) internal successors, (100), 90 states have internal predecessors, (100), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2025-01-09 17:30:03,609 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 112 [2025-01-09 17:30:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:03,609 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2025-01-09 17:30:03,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2025-01-09 17:30:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-09 17:30:03,611 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:03,611 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:03,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 17:30:03,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:03,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash -657186733, now seen corresponding path program 1 times [2025-01-09 17:30:03,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:03,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732241289] [2025-01-09 17:30:03,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:03,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:07,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 17:30:07,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 17:30:07,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:07,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:08,723 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 17:30:08,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:08,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732241289] [2025-01-09 17:30:08,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732241289] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:08,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:08,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 17:30:08,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073551827] [2025-01-09 17:30:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:08,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:30:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:08,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:30:08,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 17:30:08,725 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 17:30:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:09,123 INFO L93 Difference]: Finished difference Result 195 states and 236 transitions. [2025-01-09 17:30:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:30:09,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2025-01-09 17:30:09,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:09,126 INFO L225 Difference]: With dead ends: 195 [2025-01-09 17:30:09,127 INFO L226 Difference]: Without dead ends: 132 [2025-01-09 17:30:09,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-09 17:30:09,128 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 21 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:09,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 706 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:30:09,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-01-09 17:30:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-01-09 17:30:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.130952380952381) internal successors, (95), 86 states have internal predecessors, (95), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2025-01-09 17:30:09,135 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 113 [2025-01-09 17:30:09,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:09,136 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2025-01-09 17:30:09,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 17:30:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2025-01-09 17:30:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-09 17:30:09,137 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:09,137 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:09,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 17:30:09,137 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:09,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:09,138 INFO L85 PathProgramCache]: Analyzing trace with hash -661598682, now seen corresponding path program 1 times [2025-01-09 17:30:09,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:09,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820265190] [2025-01-09 17:30:09,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:12,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 17:30:12,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 17:30:12,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:12,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 17:30:13,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:13,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820265190] [2025-01-09 17:30:13,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820265190] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:13,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:13,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 17:30:13,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119473369] [2025-01-09 17:30:13,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:13,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:30:13,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:13,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:30:13,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 17:30:13,961 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:14,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:14,390 INFO L93 Difference]: Finished difference Result 193 states and 231 transitions. [2025-01-09 17:30:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:30:14,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2025-01-09 17:30:14,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:14,392 INFO L225 Difference]: With dead ends: 193 [2025-01-09 17:30:14,392 INFO L226 Difference]: Without dead ends: 132 [2025-01-09 17:30:14,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 17:30:14,393 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 14 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:14,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 711 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 17:30:14,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-01-09 17:30:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-01-09 17:30:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2025-01-09 17:30:14,399 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 113 [2025-01-09 17:30:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:14,400 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2025-01-09 17:30:14,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:14,400 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2025-01-09 17:30:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 17:30:14,401 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:14,401 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:14,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 17:30:14,402 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:14,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1093819742, now seen corresponding path program 1 times [2025-01-09 17:30:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:14,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853705781] [2025-01-09 17:30:14,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:14,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:17,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 17:30:18,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 17:30:18,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:18,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 17:30:19,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:19,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853705781] [2025-01-09 17:30:19,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853705781] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:19,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:19,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 17:30:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805191584] [2025-01-09 17:30:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:19,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:30:19,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:19,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:30:19,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 17:30:19,122 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:19,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:19,556 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2025-01-09 17:30:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:30:19,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 114 [2025-01-09 17:30:19,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:19,558 INFO L225 Difference]: With dead ends: 193 [2025-01-09 17:30:19,558 INFO L226 Difference]: Without dead ends: 132 [2025-01-09 17:30:19,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 17:30:19,558 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 12 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:19,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 708 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 17:30:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-01-09 17:30:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2025-01-09 17:30:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.1071428571428572) internal successors, (93), 86 states have internal predecessors, (93), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2025-01-09 17:30:19,567 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 114 [2025-01-09 17:30:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:19,568 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2025-01-09 17:30:19,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:19,568 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2025-01-09 17:30:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 17:30:19,571 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:19,571 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:19,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 17:30:19,571 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:19,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:19,572 INFO L85 PathProgramCache]: Analyzing trace with hash -208267358, now seen corresponding path program 1 times [2025-01-09 17:30:19,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:19,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867559978] [2025-01-09 17:30:19,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:23,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 17:30:23,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 17:30:23,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:23,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 17:30:24,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:24,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867559978] [2025-01-09 17:30:24,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867559978] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:24,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:24,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 17:30:24,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112922832] [2025-01-09 17:30:24,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:24,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 17:30:24,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:24,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 17:30:24,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 17:30:24,270 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:24,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:24,612 INFO L93 Difference]: Finished difference Result 191 states and 225 transitions. [2025-01-09 17:30:24,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 17:30:24,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2025-01-09 17:30:24,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:24,614 INFO L225 Difference]: With dead ends: 191 [2025-01-09 17:30:24,614 INFO L226 Difference]: Without dead ends: 130 [2025-01-09 17:30:24,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 17:30:24,615 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 9 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:24,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 566 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:30:24,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-01-09 17:30:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2025-01-09 17:30:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.0952380952380953) internal successors, (92), 86 states have internal predecessors, (92), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-01-09 17:30:24,623 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 115 [2025-01-09 17:30:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:24,623 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-01-09 17:30:24,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 17:30:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-01-09 17:30:24,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 17:30:24,625 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:24,625 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:24,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 17:30:24,625 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:24,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:24,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1803745190, now seen corresponding path program 1 times [2025-01-09 17:30:24,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:24,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576379599] [2025-01-09 17:30:24,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:24,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:28,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 17:30:28,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 17:30:28,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:28,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 17:30:28,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:28,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576379599] [2025-01-09 17:30:28,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576379599] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:28,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:28,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 17:30:28,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118219894] [2025-01-09 17:30:28,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:28,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 17:30:28,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:28,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 17:30:28,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 17:30:28,865 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 17:30:28,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:28,986 INFO L93 Difference]: Finished difference Result 130 states and 149 transitions. [2025-01-09 17:30:28,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 17:30:28,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 116 [2025-01-09 17:30:28,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:28,988 INFO L225 Difference]: With dead ends: 130 [2025-01-09 17:30:28,988 INFO L226 Difference]: Without dead ends: 128 [2025-01-09 17:30:28,988 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 [2025-01-09 17:30:28,989 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:28,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:30:28,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-01-09 17:30:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-01-09 17:30:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 84 states have internal predecessors, (90), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2025-01-09 17:30:28,997 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 116 [2025-01-09 17:30:28,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:28,998 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2025-01-09 17:30:28,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 17:30:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2025-01-09 17:30:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-01-09 17:30:29,002 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:29,002 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:29,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 17:30:29,002 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:29,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:29,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1025442211, now seen corresponding path program 1 times [2025-01-09 17:30:29,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:29,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80541527] [2025-01-09 17:30:29,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:32,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-01-09 17:30:32,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-01-09 17:30:32,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:32,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-09 17:30:34,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:34,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80541527] [2025-01-09 17:30:34,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80541527] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:34,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:34,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 17:30:34,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431109330] [2025-01-09 17:30:34,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:34,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 17:30:34,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:34,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 17:30:34,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 17:30:34,064 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2025-01-09 17:30:35,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:35,180 INFO L93 Difference]: Finished difference Result 196 states and 228 transitions. [2025-01-09 17:30:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 17:30:35,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) Word has length 166 [2025-01-09 17:30:35,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:35,182 INFO L225 Difference]: With dead ends: 196 [2025-01-09 17:30:35,182 INFO L226 Difference]: Without dead ends: 131 [2025-01-09 17:30:35,183 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 [2025-01-09 17:30:35,183 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 29 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:35,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 739 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-09 17:30:35,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-01-09 17:30:35,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2025-01-09 17:30:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.072289156626506) internal successors, (89), 84 states have internal predecessors, (89), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 146 transitions. [2025-01-09 17:30:35,190 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 146 transitions. Word has length 166 [2025-01-09 17:30:35,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:35,190 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 146 transitions. [2025-01-09 17:30:35,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 5 states have call predecessors, (24), 4 states have call successors, (24) [2025-01-09 17:30:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 146 transitions. [2025-01-09 17:30:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-01-09 17:30:35,192 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:35,192 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:35,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 17:30:35,192 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:35,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:35,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1375043944, now seen corresponding path program 1 times [2025-01-09 17:30:35,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:35,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175387318] [2025-01-09 17:30:35,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:38,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-01-09 17:30:39,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-01-09 17:30:39,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:39,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-09 17:30:40,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:40,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175387318] [2025-01-09 17:30:40,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175387318] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:30:40,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:30:40,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 17:30:40,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360595555] [2025-01-09 17:30:40,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:30:40,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 17:30:40,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:30:40,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 17:30:40,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 17:30:40,711 INFO L87 Difference]: Start difference. First operand 128 states and 146 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-01-09 17:30:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:30:40,789 INFO L93 Difference]: Finished difference Result 240 states and 271 transitions. [2025-01-09 17:30:40,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 17:30:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 168 [2025-01-09 17:30:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:30:40,791 INFO L225 Difference]: With dead ends: 240 [2025-01-09 17:30:40,791 INFO L226 Difference]: Without dead ends: 129 [2025-01-09 17:30:40,792 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 [2025-01-09 17:30:40,792 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 17:30:40,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 430 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 17:30:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-09 17:30:40,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2025-01-09 17:30:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 84 states have (on average 1.0714285714285714) internal successors, (90), 85 states have internal predecessors, (90), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:30:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 147 transitions. [2025-01-09 17:30:40,799 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 147 transitions. Word has length 168 [2025-01-09 17:30:40,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:30:40,800 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 147 transitions. [2025-01-09 17:30:40,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-01-09 17:30:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2025-01-09 17:30:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-01-09 17:30:40,801 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:30:40,801 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:30:40,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 17:30:40,802 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-01-09 17:30:40,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:30:40,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1532981240, now seen corresponding path program 1 times [2025-01-09 17:30:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:30:40,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581303478] [2025-01-09 17:30:40,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:44,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes.