./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_acquire_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 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:23:13,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:23:13,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:23:13,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:23:13,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:23:13,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:23:13,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:23:13,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:23:13,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:23:13,440 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:23:13,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:23:13,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:23:13,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:23:13,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:23:13,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:23:13,442 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:23:13,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:23:13,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:23:13,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:23:13,443 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 -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2025-03-17 07:23:13,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:23:13,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:23:13,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:23:13,812 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:23:13,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:23:13,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-03-17 07:23:15,147 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72345098/122fe6cf5f0b4ddaa8347db339e0eeb1/FLAGeb81fa8b9 [2025-03-17 07:23:15,650 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:23:15,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-03-17 07:23:15,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72345098/122fe6cf5f0b4ddaa8347db339e0eeb1/FLAGeb81fa8b9 [2025-03-17 07:23:15,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72345098/122fe6cf5f0b4ddaa8347db339e0eeb1 [2025-03-17 07:23:15,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:23:15,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:23:15,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:23:15,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:23:15,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:23:15,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:23:15" (1/1) ... [2025-03-17 07:23:15,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724315a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:15, skipping insertion in model container [2025-03-17 07:23:15,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:23:15" (1/1) ... [2025-03-17 07:23:15,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:23:16,060 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_acquire_harness.i[4497,4510] [2025-03-17 07:23:16,068 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_acquire_harness.i[4557,4570] [2025-03-17 07:23:16,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,909 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,911 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:16,911 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:23:17,653 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:23:17,663 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_acquire_harness.i[4497,4510] [2025-03-17 07:23:17,663 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_acquire_harness.i[4557,4570] [2025-03-17 07:23:17,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,714 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-17 07:23:17,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:23:17,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-03-17 07:23:17,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:23:18,103 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:23:18,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18 WrapperNode [2025-03-17 07:23:18,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:23:18,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:23:18,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:23:18,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:23:18,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,256 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2025-03-17 07:23:18,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:23:18,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:23:18,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:23:18,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:23:18,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,279 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,367 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 243, 68, 47]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 11, 10, 4]. The 515 writes are split as follows [0, 257, 232, 4, 22]. [2025-03-17 07:23:18,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:23:18,481 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:23:18,481 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:23:18,481 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:23:18,484 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (1/1) ... [2025-03-17 07:23:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:23:18,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:23:18,543 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) [2025-03-17 07:23:18,545 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 [2025-03-17 07:23:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:23:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:23:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:23:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:23:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:23:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-17 07:23:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:23:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:23:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-17 07:23:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:23:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:23:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:23:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:23:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-03-17 07:23:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-03-17 07:23:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-03-17 07:23:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-03-17 07:23:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:23:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:23:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:23:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:23:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:23:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:23:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:23:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-17 07:23:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-17 07:23:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-17 07:23:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-17 07:23:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-03-17 07:23:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-03-17 07:23:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-17 07:23:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-17 07:23:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:23:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:23:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:23:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:23:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:23:18,912 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:23:18,915 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:23:18,968 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:23:19,024 INFO L1322 $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; [2025-03-17 07:23:19,027 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:23:19,028 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:23:19,095 INFO L1322 $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; [2025-03-17 07:23:19,118 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-17 07:23:19,127 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:23:19,140 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-03-17 07:23:19,153 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-03-17 07:23:19,171 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-03-17 07:23:19,215 INFO L1322 $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; [2025-03-17 07:23:19,239 INFO L1322 $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; [2025-03-17 07:23:19,249 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-03-17 07:23:26,339 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8644: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-03-17 07:23:26,339 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8630-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-03-17 07:23:26,339 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8638: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-03-17 07:23:26,339 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-03-17 07:23:26,519 INFO L? ?]: Removed 208 outVars from TransFormulas that were not future-live. [2025-03-17 07:23:26,520 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:23:26,545 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:23:26,545 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:23:26,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:23:26 BoogieIcfgContainer [2025-03-17 07:23:26,546 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:23:26,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:23:26,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:23:26,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:23:26,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:23:15" (1/3) ... [2025-03-17 07:23:26,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633bf5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:23:26, skipping insertion in model container [2025-03-17 07:23:26,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:23:18" (2/3) ... [2025-03-17 07:23:26,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633bf5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:23:26, skipping insertion in model container [2025-03-17 07:23:26,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:23:26" (3/3) ... [2025-03-17 07:23:26,555 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2025-03-17 07:23:26,571 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:23:26,572 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 22 procedures, 403 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-03-17 07:23:26,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:23:26,649 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;@3475a3d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:23:26,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-17 07:23:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 403 states, 231 states have (on average 1.2294372294372293) internal successors, (284), 236 states have internal predecessors, (284), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2025-03-17 07:23:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 07:23:26,665 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:23:26,665 INFO L218 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] [2025-03-17 07:23:26,666 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)] === [2025-03-17 07:23:26,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:23:26,675 INFO L85 PathProgramCache]: Analyzing trace with hash -704481798, now seen corresponding path program 1 times [2025-03-17 07:23:26,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:23:26,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669240309] [2025-03-17 07:23:26,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:23:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:24:35,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 07:24:36,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 07:24:36,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:24:36,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:24:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-17 07:24:37,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:24:37,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669240309] [2025-03-17 07:24:37,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669240309] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:24:37,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063631711] [2025-03-17 07:24:37,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:24:37,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:24:37,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:24:37,452 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) [2025-03-17 07:24:37,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process