./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:45:13,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:45:13,133 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 19:45:13,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:45:13,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:45:13,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:45:13,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:45:13,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:45:13,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:45:13,154 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:45:13,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:45:13,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:45:13,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:45:13,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:45:13,157 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:45:13,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:45:13,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:45:13,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:45:13,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:45:13,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:45:13,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:45:13,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:45:13,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:45:13,160 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:45:13,160 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:45:13,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:45:13,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:45:13,161 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:45:13,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:45:13,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:45:13,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:45:13,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:45:13,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:45:13,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:45:13,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:45:13,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:45:13,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:45:13,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:45:13,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:45:13,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:45:13,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:45:13,164 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-10 19:45:13,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:45:13,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:45:13,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:45:13,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:45:13,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:45:13,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-10 19:45:14,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:45:15,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:45:15,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-10 19:45:15,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45119bfa/3e60b80f4eaa4e448d1df90f0213f29e/FLAG32a56aed5 [2024-11-10 19:45:15,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a45119bfa/3e60b80f4eaa4e448d1df90f0213f29e [2024-11-10 19:45:15,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:45:15,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:45:15,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:45:15,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:45:15,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:45:15,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:15" (1/1) ... [2024-11-10 19:45:15,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6606e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:15, skipping insertion in model container [2024-11-10 19:45:15,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:15" (1/1) ... [2024-11-10 19:45:15,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:45:16,254 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,255 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,255 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,259 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,260 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,273 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,277 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,278 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,278 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,825 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,826 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:16,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:45:16,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:45:17,037 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,038 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,038 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,039 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,039 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,083 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,085 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,086 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,086 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 19:45:17,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 19:45:17,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-10 19:45:17,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:45:17,388 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:45:17,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17 WrapperNode [2024-11-10 19:45:17,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:45:17,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:45:17,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:45:17,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:45:17,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,553 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1209 [2024-11-10 19:45:17,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:45:17,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:45:17,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:45:17,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:45:17,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,576 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,699 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 68, 243, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 10, 11, 4]. The 515 writes are split as follows [0, 257, 4, 232, 22]. [2024-11-10 19:45:17,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,745 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:45:17,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:45:17,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:45:17,785 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:45:17,785 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (1/1) ... [2024-11-10 19:45:17,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:45:17,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:45:17,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:45:17,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:45:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 19:45:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 19:45:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 19:45:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 19:45:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 19:45:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-10 19:45:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 19:45:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 19:45:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:45:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-10 19:45:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:45:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:45:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-10 19:45:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 19:45:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 19:45:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-10 19:45:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:45:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:45:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-10 19:45:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-10 19:45:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 19:45:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 19:45:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 19:45:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 19:45:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 19:45:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 19:45:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-10 19:45:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-10 19:45:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-10 19:45:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 19:45:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 19:45:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-10 19:45:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-10 19:45:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-10 19:45:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-10 19:45:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 19:45:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 19:45:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 19:45:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 19:45:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 19:45:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 19:45:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 19:45:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-10 19:45:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-10 19:45:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-10 19:45:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-10 19:45:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-10 19:45:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-10 19:45:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-10 19:45:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-10 19:45:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:45:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 19:45:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 19:45:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 19:45:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 19:45:18,178 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:45:18,180 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:45:18,211 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 19:45:18,254 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8801: havoc #t~mem1324.base, #t~mem1324.offset;havoc #t~mem1325.base, #t~mem1325.offset;havoc #t~short1326;havoc #t~mem1327.base, #t~mem1327.offset;havoc #t~short1328;havoc #t~mem1329.base, #t~mem1329.offset;havoc #t~mem1330.base, #t~mem1330.offset;havoc #t~short1331;havoc #t~mem1332.base, #t~mem1332.offset;havoc #t~mem1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~short1335; [2024-11-10 19:45:18,256 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 19:45:18,257 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 19:45:18,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-10 19:45:18,323 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2024-11-10 19:45:18,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 19:45:18,345 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2024-11-10 19:45:18,355 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2024-11-10 19:45:18,367 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2024-11-10 19:45:18,393 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6077: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2024-11-10 19:45:18,408 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8231: havoc #t~mem1063;havoc #t~mem1064.base, #t~mem1064.offset;havoc #t~mem1065;havoc #t~mem1066.base, #t~mem1066.offset;call ULTIMATE.dealloc(~#buf~2.base, ~#buf~2.offset);havoc ~#buf~2.base, ~#buf~2.offset; [2024-11-10 19:45:18,426 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2024-11-10 19:45:25,482 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8644: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2024-11-10 19:45:25,483 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8630-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2024-11-10 19:45:25,483 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8638: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2024-11-10 19:45:25,483 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2024-11-10 19:45:25,611 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2024-11-10 19:45:25,611 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:45:25,632 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:45:25,635 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:45:25,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:25 BoogieIcfgContainer [2024-11-10 19:45:25,635 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:45:25,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:45:25,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:45:25,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:45:25,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:45:15" (1/3) ... [2024-11-10 19:45:25,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47883110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:25, skipping insertion in model container [2024-11-10 19:45:25,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:17" (2/3) ... [2024-11-10 19:45:25,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47883110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:25, skipping insertion in model container [2024-11-10 19:45:25,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:25" (3/3) ... [2024-11-10 19:45:25,646 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-10 19:45:25,658 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:45:25,659 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 19:45:25,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:45:25,733 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;@62f17ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:45:25,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 19:45:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 423 states, 248 states have (on average 1.2137096774193548) internal successors, (301), 253 states have internal predecessors, (301), 148 states have call successors, (148), 22 states have call predecessors, (148), 22 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 19:45:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:45:25,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:45:25,750 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:45:25,750 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-10 19:45:25,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:45:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1440760963, now seen corresponding path program 1 times [2024-11-10 19:45:25,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:45:25,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738376057] [2024-11-10 19:45:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:45:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:46:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:46:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:46:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:46:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:46:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:46:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 19:46:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 19:46:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:46:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:46:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 19:46:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-10 19:46:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:46:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:46:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-10 19:46:44,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:46:44,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738376057] [2024-11-10 19:46:44,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738376057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:46:44,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:46:44,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:46:44,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776252719] [2024-11-10 19:46:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:46:44,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:46:44,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:46:44,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:46:44,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:46:44,885 INFO L87 Difference]: Start difference. First operand has 423 states, 248 states have (on average 1.2137096774193548) internal successors, (301), 253 states have internal predecessors, (301), 148 states have call successors, (148), 22 states have call predecessors, (148), 22 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 19:46:49,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 19:46:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:46:53,712 INFO L93 Difference]: Finished difference Result 826 states and 1282 transitions. [2024-11-10 19:46:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:46:53,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2024-11-10 19:46:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:46:53,741 INFO L225 Difference]: With dead ends: 826 [2024-11-10 19:46:53,742 INFO L226 Difference]: Without dead ends: 404 [2024-11-10 19:46:53,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:46:53,761 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 146 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 131 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:46:53,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 580 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 293 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-10 19:46:53,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-10 19:46:53,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-10 19:46:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 237 states have (on average 1.1856540084388185) internal successors, (281), 242 states have internal predecessors, (281), 142 states have call successors, (142), 21 states have call predecessors, (142), 21 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-10 19:46:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 564 transitions. [2024-11-10 19:46:53,873 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 564 transitions. Word has length 72 [2024-11-10 19:46:53,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:46:53,875 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 564 transitions. [2024-11-10 19:46:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-10 19:46:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 564 transitions. [2024-11-10 19:46:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:46:53,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:46:53,877 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:46:53,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:46:53,877 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2024-11-10 19:46:53,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:46:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1179645916, now seen corresponding path program 1 times [2024-11-10 19:46:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:46:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771437684] [2024-11-10 19:46:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:46:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms