./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 11:35:50,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 11:35:50,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-04 11:35:50,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 11:35:50,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 11:35:50,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 11:35:50,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 11:35:50,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 11:35:50,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 11:35:50,639 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 11:35:50,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 11:35:50,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 11:35:50,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 11:35:50,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 11:35:50,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 11:35:50,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 11:35:50,642 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 11:35:50,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 11:35:50,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 11:35:50,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 11:35:50,643 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2025-03-04 11:35:50,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 11:35:50,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 11:35:50,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 11:35:50,869 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 11:35:50,870 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 11:35:50,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-03-04 11:35:51,967 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b36651b5/aa0cc4985abf4da5a74292f09e89176a/FLAG2b1a68b11 [2025-03-04 11:35:52,402 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 11:35:52,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-03-04 11:35:52,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b36651b5/aa0cc4985abf4da5a74292f09e89176a/FLAG2b1a68b11 [2025-03-04 11:35:52,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b36651b5/aa0cc4985abf4da5a74292f09e89176a [2025-03-04 11:35:52,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 11:35:52,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 11:35:52,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 11:35:52,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 11:35:52,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 11:35:52,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 11:35:52" (1/1) ... [2025-03-04 11:35:52,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57603c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:52, skipping insertion in model container [2025-03-04 11:35:52,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 11:35:52" (1/1) ... [2025-03-04 11:35:52,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 11:35:53,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,217 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:53,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 11:35:54,186 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 11:35:54,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,270 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 11:35:54,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 11:35:54,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-03-04 11:35:54,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 11:35:54,552 INFO L204 MainTranslator]: Completed translation [2025-03-04 11:35:54,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54 WrapperNode [2025-03-04 11:35:54,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 11:35:54,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 11:35:54,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 11:35:54,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 11:35:54,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,680 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1209 [2025-03-04 11:35:54,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 11:35:54,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 11:35:54,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 11:35:54,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 11:35:54,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,774 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 11:35:54,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,810 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 11:35:54,841 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 11:35:54,841 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 11:35:54,841 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 11:35:54,842 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (1/1) ... [2025-03-04 11:35:54,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 11:35:54,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:35:54,866 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 11:35:54,868 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 11:35:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 11:35:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 11:35:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 11:35:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 11:35:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 11:35:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-04 11:35:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 11:35:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 11:35:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 11:35:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 11:35:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 11:35:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-04 11:35:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 11:35:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 11:35:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 11:35:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 11:35:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-04 11:35:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 11:35:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 11:35:55,161 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 11:35:55,163 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 11:35:55,192 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 11:35:55,232 INFO L1325 $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; [2025-03-04 11:35:55,234 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 11:35:55,235 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 11:35:55,299 INFO L1325 $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; [2025-03-04 11:35:55,331 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-04 11:35:55,336 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 11:35:55,343 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-03-04 11:35:55,354 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-03-04 11:35:55,365 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-03-04 11:35:55,393 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6077: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2025-03-04 11:35:55,408 INFO L1325 $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; [2025-03-04 11:35:55,416 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-03-04 11:36:02,031 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8644: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-03-04 11:36:02,032 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8630-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-03-04 11:36:02,032 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8638: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-03-04 11:36:02,032 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-03-04 11:36:02,165 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-03-04 11:36:02,165 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 11:36:02,189 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 11:36:02,191 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 11:36:02,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 11:36:02 BoogieIcfgContainer [2025-03-04 11:36:02,193 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 11:36:02,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 11:36:02,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 11:36:02,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 11:36:02,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 11:35:52" (1/3) ... [2025-03-04 11:36:02,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49acd61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:36:02, skipping insertion in model container [2025-03-04 11:36:02,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 11:35:54" (2/3) ... [2025-03-04 11:36:02,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49acd61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:36:02, skipping insertion in model container [2025-03-04 11:36:02,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 11:36:02" (3/3) ... [2025-03-04 11:36:02,201 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2025-03-04 11:36:02,212 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 11:36:02,214 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 23 procedures, 419 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-03-04 11:36:02,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 11:36:02,274 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;@22f60a5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 11:36:02,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 11:36:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 244 states have (on average 1.2172131147540983) internal successors, (297), 249 states have internal predecessors, (297), 148 states have call successors, (148), 22 states have call predecessors, (148), 22 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2025-03-04 11:36:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 11:36:02,284 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 11:36:02,285 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 11:36:02,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-03-04 11:36:02,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 11:36:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1919198585, now seen corresponding path program 1 times [2025-03-04 11:36:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 11:36:02,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60625903] [2025-03-04 11:36:02,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:36:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 11:37:10,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 11:37:10,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 11:37:10,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 11:37:10,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 11:37:11,592 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 11:37:11,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 11:37:11,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60625903] [2025-03-04 11:37:11,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60625903] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 11:37:11,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893744432] [2025-03-04 11:37:11,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 11:37:11,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 11:37:11,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 11:37:11,596 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 11:37:11,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process