./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_release_harness.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 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:29:16,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:29:16,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:29:16,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:29:16,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:29:16,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:29:16,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:29:16,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:29:16,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:29:16,670 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:29:16,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:29:16,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:29:16,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:29:16,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:29:16,671 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:29:16,672 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:16,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:29:16,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:16,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:29:16,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:29:16,673 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 -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2025-01-09 17:29:16,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:29:16,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:29:16,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:29:16,858 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:29:16,859 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:29:16,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2025-01-09 17:29:18,051 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f8d3bcde/81fc16c3ea3d40bf8e34ce469a6b0bb6/FLAG731d1f171 [2025-01-09 17:29:18,581 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:29:18,581 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2025-01-09 17:29:18,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f8d3bcde/81fc16c3ea3d40bf8e34ce469a6b0bb6/FLAG731d1f171 [2025-01-09 17:29:19,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f8d3bcde/81fc16c3ea3d40bf8e34ce469a6b0bb6 [2025-01-09 17:29:19,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:29:19,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:29:19,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:29:19,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:29:19,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:29:19,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:29:19" (1/1) ... [2025-01-09 17:29:19,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627daf3c 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 17:29:19,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:29:19" (1/1) ... [2025-01-09 17:29:19,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:29:19,342 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_release_harness.i[4497,4510] [2025-01-09 17:29:19,350 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_release_harness.i[4557,4570] [2025-01-09 17:29:19,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,859 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:19,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:29:20,425 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:29:20,434 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_release_harness.i[4497,4510] [2025-01-09 17:29:20,435 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_release_harness.i[4557,4570] [2025-01-09 17:29:20,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:29:20,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:29:20,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2025-01-09 17:29:20,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:29:20,783 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:29:20,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20 WrapperNode [2025-01-09 17:29:20,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:29:20,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:29:20,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:29:20,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:29:20,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,903 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1030 [2025-01-09 17:29:20,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:29:20,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:29:20,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:29:20,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:29:20,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,970 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [257, 2, 243, 49, 6, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [0, 2, 11, 10, 4, 4]. The 496 writes are split as follows [257, 0, 232, 4, 0, 3]. [2025-01-09 17:29:20,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:20,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:29:21,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:29:21,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:29:21,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:29:21,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (1/1) ... [2025-01-09 17:29:21,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:29:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:29:21,070 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 17:29:21,072 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 17:29:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:29:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:29:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:29:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:29:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:29:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-01-09 17:29:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-01-09 17:29:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-01-09 17:29:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2025-01-09 17:29:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:29:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:29:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:29:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:29:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:29:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:29:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:29:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:29:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:29:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2025-01-09 17:29:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:29:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:29:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:29:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:29:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:29:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:29:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:29:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-01-09 17:29:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-01-09 17:29:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:29:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:29:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:29:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:29:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:29:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:29:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:29:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:29:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-01-09 17:29:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 17:29:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 17:29:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 17:29:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 17:29:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 17:29:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 17:29:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 17:29:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 17:29:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:29:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:29:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:29:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:29:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:29:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-01-09 17:29:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:29:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:29:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-01-09 17:29:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-01-09 17:29:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-01-09 17:29:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-01-09 17:29:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:29:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-01-09 17:29:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-01-09 17:29:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-01-09 17:29:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-01-09 17:29:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:29:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:29:21,379 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:29:21,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:29:29,657 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2025-01-09 17:29:29,657 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:29:29,674 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:29:29,674 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-09 17:29:29,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:29:29 BoogieIcfgContainer [2025-01-09 17:29:29,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:29:29,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:29:29,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:29:29,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:29:29,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:29:19" (1/3) ... [2025-01-09 17:29:29,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a856ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:29:29, skipping insertion in model container [2025-01-09 17:29:29,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:29:20" (2/3) ... [2025-01-09 17:29:29,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a856ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:29:29, skipping insertion in model container [2025-01-09 17:29:29,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:29:29" (3/3) ... [2025-01-09 17:29:29,684 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2025-01-09 17:29:29,699 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:29:29,702 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_release_harness.i that has 27 procedures, 339 locations, 1 initial locations, 9 loop locations, and 4 error locations. [2025-01-09 17:29:29,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:29:29,759 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;@7a9389f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:29:29,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-09 17:29:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-09 17:29:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-09 17:29:29,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:29:29,770 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:29:29,770 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)] === [2025-01-09 17:29:29,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:29:29,775 INFO L85 PathProgramCache]: Analyzing trace with hash -306356789, now seen corresponding path program 1 times [2025-01-09 17:29:29,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:29:29,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542723369] [2025-01-09 17:29:29,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:29:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:30:32,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-09 17:30:32,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-09 17:30:32,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:30:32,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:30:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-09 17:30:33,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:30:33,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542723369] [2025-01-09 17:30:33,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542723369] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:30:33,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072206862] [2025-01-09 17:30:33,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:30:33,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:30:33,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:30:33,495 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 17:30:33,498 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