./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03a4ecb9d97ec40f0475820d11aa51b1de64332112f31fd921efefefc289335b --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:05:17,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:05:17,188 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:05:17,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:05:17,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:05:17,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:05:17,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:05:17,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:05:17,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:05:17,228 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:05:17,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:05:17,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:05:17,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:05:17,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:05:17,229 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:05:17,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:05:17,230 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:05:17,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:05:17,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:05:17,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:05:17,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:05:17,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:05:17,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:05:17,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:05:17,231 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/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 -> 03a4ecb9d97ec40f0475820d11aa51b1de64332112f31fd921efefefc289335b [2025-03-04 03:05:17,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:05:17,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:05:17,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:05:17,472 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:05:17,473 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:05:17,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2025-03-04 03:05:18,646 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8192b1fb/f398fad9f7894ce19c92967a30b60e96/FLAGd20ce1afd [2025-03-04 03:05:19,099 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:05:19,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2025-03-04 03:05:19,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8192b1fb/f398fad9f7894ce19c92967a30b60e96/FLAGd20ce1afd [2025-03-04 03:05:19,138 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8192b1fb/f398fad9f7894ce19c92967a30b60e96 [2025-03-04 03:05:19,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:05:19,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:05:19,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:05:19,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:05:19,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:05:19,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:05:19" (1/1) ... [2025-03-04 03:05:19,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffe9879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:19, skipping insertion in model container [2025-03-04 03:05:19,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:05:19" (1/1) ... [2025-03-04 03:05:19,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:05:19,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2025-03-04 03:05:19,378 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2025-03-04 03:05:19,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:19,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:05:20,401 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:05:20,414 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2025-03-04 03:05:20,414 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2025-03-04 03:05:20,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 03:05:20,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:20,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2025-03-04 03:05:20,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:05:20,772 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:05:20,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20 WrapperNode [2025-03-04 03:05:20,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:05:20,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:05:20,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:05:20,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:05:20,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:20,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:20,897 INFO L138 Inliner]: procedures = 680, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 816 [2025-03-04 03:05:20,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:05:20,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:05:20,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:05:20,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:05:20,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:20,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:20,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:20,972 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 6, 257, 238, 28]. 48 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 5, 0, 6, 5]. The 494 writes are split as follows [0, 0, 257, 232, 5]. [2025-03-04 03:05:20,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:20,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:21,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:21,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:21,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:21,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:21,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:05:21,042 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:05:21,043 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:05:21,043 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:05:21,044 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (1/1) ... [2025-03-04 03:05:21,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:05:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:05:21,089 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) [2025-03-04 03:05:21,092 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 [2025-03-04 03:05:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:05:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-04 03:05:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-04 03:05:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:05:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:05:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:05:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:05:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:05:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:05:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:05:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:05:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:05:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 03:05:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 03:05:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:05:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:05:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:05:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:05:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:05:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:05:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:05:21,335 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:05:21,337 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:05:21,360 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:05:21,362 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:05:21,363 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:05:21,430 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-04 03:05:21,477 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-03-04 03:05:21,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-03-04 03:05:21,575 INFO L1325 $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; [2025-03-04 03:05:28,203 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-03-04 03:05:28,203 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:05:28,224 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:05:28,225 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:05:28,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:05:28 BoogieIcfgContainer [2025-03-04 03:05:28,226 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:05:28,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:05:28,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:05:28,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:05:28,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:05:19" (1/3) ... [2025-03-04 03:05:28,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5509b08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:05:28, skipping insertion in model container [2025-03-04 03:05:28,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:20" (2/3) ... [2025-03-04 03:05:28,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5509b08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:05:28, skipping insertion in model container [2025-03-04 03:05:28,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:05:28" (3/3) ... [2025-03-04 03:05:28,234 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2025-03-04 03:05:28,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:05:28,246 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_clean_up_harness.i that has 20 procedures, 167 locations, 1 initial locations, 8 loop locations, and 4 error locations. [2025-03-04 03:05:28,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:05:28,311 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;@483d3177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:05:28,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 03:05:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 102 states have internal predecessors, (124), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 03:05:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 03:05:28,322 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:05:28,322 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 03:05:28,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-03-04 03:05:28,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:05:28,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2134533184, now seen corresponding path program 1 times [2025-03-04 03:05:28,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:05:28,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041773117] [2025-03-04 03:05:28,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:05:28,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:06:33,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 03:06:34,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 03:06:34,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:06:34,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:06:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-04 03:06:34,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:06:34,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041773117] [2025-03-04 03:06:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041773117] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:06:34,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411148393] [2025-03-04 03:06:34,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:06:34,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:06:34,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:06:34,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:06:34,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process