./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.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_acquire_harness_negated.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 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:04:43,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:04:43,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:04:43,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:04:43,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:04:43,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:04:43,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:04:43,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:04:43,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:04:43,512 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:04:43,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:04:43,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:04:43,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:04:43,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:04:43,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:04:43,513 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:04:43,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:43,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:04:43,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:04:43,514 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 -> 4e59d9fbf3221e05899a4337354f2c9a73733c9d6b6114c066d75ddd1c55b4e4 [2025-03-04 03:04:43,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:04:43,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:04:43,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:04:43,747 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:04:43,747 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:04:43,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2025-03-04 03:04:44,815 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266a2e5e3/e5188567e6974b138d13bbdfc9075ffa/FLAG499b14e80 [2025-03-04 03:04:45,326 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:04:45,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2025-03-04 03:04:45,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266a2e5e3/e5188567e6974b138d13bbdfc9075ffa/FLAG499b14e80 [2025-03-04 03:04:45,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266a2e5e3/e5188567e6974b138d13bbdfc9075ffa [2025-03-04 03:04:45,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:04:45,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:04:45,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:45,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:04:45,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:04:45,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:45" (1/1) ... [2025-03-04 03:04:45,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f1237a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:45, skipping insertion in model container [2025-03-04 03:04:45,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:04:45" (1/1) ... [2025-03-04 03:04:45,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:04:45,667 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_negated.i[4497,4510] [2025-03-04 03:04:45,675 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_negated.i[4557,4570] [2025-03-04 03:04:46,106 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:46,733 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:04:46,750 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_negated.i[4497,4510] [2025-03-04 03:04:46,750 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_negated.i[4557,4570] [2025-03-04 03:04:46,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-04 03:04:46,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:04:46,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2025-03-04 03:04:46,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:04:47,127 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:04:47,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47 WrapperNode [2025-03-04 03:04:47,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:04:47,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:47,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:04:47,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:04:47,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,277 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1207 [2025-03-04 03:04:47,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:04:47,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:04:47,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:04:47,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:04:47,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,394 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [257, 2, 47, 243, 68]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 4, 11, 10]. The 515 writes are split as follows [257, 0, 22, 232, 4]. [2025-03-04 03:04:47,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:04:47,484 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:04:47,485 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:04:47,485 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:04:47,486 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (1/1) ... [2025-03-04 03:04:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:04:47,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:04:47,516 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 03:04:47,522 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 03:04:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 03:04:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 03:04:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:04:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-04 03:04:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:04:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:04:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:04:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-03-04 03:04:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:04:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-03-04 03:04:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:04:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:04:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:04:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:04:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:04:47,844 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:04:47,846 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:04:47,879 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:04:47,938 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8769: 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; [2025-03-04 03:04:47,940 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:04:47,941 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:04:48,005 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: 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; [2025-03-04 03:04:48,037 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-04 03:04:48,043 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:04:48,052 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-03-04 03:04:48,064 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2025-03-04 03:04:48,081 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-03-04 03:04:48,128 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: 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 03:04:48,150 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8199: 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; [2025-03-04 03:04:48,163 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2025-03-04 03:04:54,856 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8612: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-03-04 03:04:54,856 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8598-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-03-04 03:04:54,857 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8606: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-03-04 03:04:54,857 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8656: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-03-04 03:04:54,996 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2025-03-04 03:04:54,996 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:04:55,027 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:04:55,029 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:04:55,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:55 BoogieIcfgContainer [2025-03-04 03:04:55,030 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:04:55,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:04:55,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:04:55,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:04:55,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:04:45" (1/3) ... [2025-03-04 03:04:55,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b00da23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:55, skipping insertion in model container [2025-03-04 03:04:55,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:04:47" (2/3) ... [2025-03-04 03:04:55,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b00da23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:04:55, skipping insertion in model container [2025-03-04 03:04:55,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:04:55" (3/3) ... [2025-03-04 03:04:55,039 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness_negated.i [2025-03-04 03:04:55,050 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:04:55,051 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness_negated.i that has 22 procedures, 413 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-03-04 03:04:55,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:04:55,122 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;@626fc92b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:04:55,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 03:04:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 241 states have (on average 1.2199170124481329) internal successors, (294), 246 states have internal predecessors, (294), 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) [2025-03-04 03:04:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 03:04:55,135 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:04:55,135 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, 1] [2025-03-04 03:04:55,136 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 03:04:55,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:04:55,142 INFO L85 PathProgramCache]: Analyzing trace with hash 706301673, now seen corresponding path program 1 times [2025-03-04 03:04:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:04:55,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456005616] [2025-03-04 03:04:55,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:04:55,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:06:02,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 03:06:03,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 03:06:03,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:06:03,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:06:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-04 03:06:03,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:06:03,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456005616] [2025-03-04 03:06:03,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456005616] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:06:03,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21296973] [2025-03-04 03:06:03,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:06:03,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:06:03,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:06:03,780 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 03:06:03,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process