./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! 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-?-c00e63d-m [2025-02-06 14:38:52,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:38:52,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 14:38:52,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:38:52,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:38:52,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:38:52,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:38:52,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:38:52,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:38:52,797 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:38:52,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:38:52,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:38:52,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:38:52,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:38:52,797 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:38:52,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:38:52,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:38:52,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:38:52,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:38:52,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:38:52,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:38:52,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:38:52,800 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:38:52,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:38:52,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:38:52,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:38:52,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:38:52,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:38:52,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:38:52,802 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2025-02-06 14:38:53,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:38:53,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:38:53,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:38:53,040 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:38:53,041 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:38:53,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-02-06 14:38:54,231 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ba246f4e/e580f2c5ae7643e19219ed3bbddf6322/FLAG4091bf258 [2025-02-06 14:38:54,733 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:38:54,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2025-02-06 14:38:54,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ba246f4e/e580f2c5ae7643e19219ed3bbddf6322/FLAG4091bf258 [2025-02-06 14:38:54,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ba246f4e/e580f2c5ae7643e19219ed3bbddf6322 [2025-02-06 14:38:54,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:38:54,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:38:54,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:38:54,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:38:54,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:38:54,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:38:54" (1/1) ... [2025-02-06 14:38:54,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636491ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:54, skipping insertion in model container [2025-02-06 14:38:54,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:38:54" (1/1) ... [2025-02-06 14:38:54,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:38:55,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,901 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,911 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,913 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:55,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,488 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:38:56,622 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:38:56,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,676 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,685 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-06 14:38:56,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 14:38:56,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2025-02-06 14:38:56,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:38:56,999 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:38:57,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57 WrapperNode [2025-02-06 14:38:57,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:38:57,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:38:57,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:38:57,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:38:57,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,137 INFO L138 Inliner]: procedures = 684, calls = 2945, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1209 [2025-02-06 14:38:57,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:38:57,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:38:57,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:38:57,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:38:57,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,229 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]. [2025-02-06 14:38:57,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:38:57,325 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:38:57,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:38:57,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:38:57,326 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (1/1) ... [2025-02-06 14:38:57,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:38:57,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:57,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:38:57,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:38:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 14:38:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 14:38:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 14:38:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 14:38:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 14:38:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-06 14:38:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 14:38:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 14:38:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:38:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-06 14:38:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:38:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:38:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-02-06 14:38:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 14:38:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 14:38:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-06 14:38:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-06 14:38:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:38:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-06 14:38:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 14:38:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 14:38:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-06 14:38:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 14:38:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-06 14:38:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-06 14:38:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-06 14:38:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 14:38:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-06 14:38:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-06 14:38:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-06 14:38:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-06 14:38:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 14:38:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 14:38:57,645 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:38:57,648 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:38:57,678 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 14:38:57,719 INFO L1309 $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; [2025-02-06 14:38:57,721 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 14:38:57,723 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 14:38:57,773 INFO L1309 $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; [2025-02-06 14:38:57,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5793: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-06 14:38:57,816 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 14:38:57,824 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-06 14:38:57,837 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9214: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-06 14:38:57,857 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5624: havoc #t~ret408.base, #t~ret408.offset; [2025-02-06 14:38:57,898 INFO L1309 $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; [2025-02-06 14:38:57,920 INFO L1309 $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; [2025-02-06 14:38:57,933 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9225: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-06 14:39:04,678 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8644: havoc aws_ring_buffer_acquire_#t~ret1238#1; [2025-02-06 14:39:04,679 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8630-2: havoc aws_ring_buffer_acquire_#t~ret1229#1; [2025-02-06 14:39:04,679 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8638: havoc aws_ring_buffer_acquire_~ring_space~0#1; [2025-02-06 14:39:04,679 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_#t~ret1268#1; [2025-02-06 14:39:04,797 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-02-06 14:39:04,797 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:39:04,824 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:39:04,824 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:39:04,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:39:04 BoogieIcfgContainer [2025-02-06 14:39:04,824 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:39:04,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:39:04,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:39:04,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:39:04,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:38:54" (1/3) ... [2025-02-06 14:39:04,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d815f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:39:04, skipping insertion in model container [2025-02-06 14:39:04,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:57" (2/3) ... [2025-02-06 14:39:04,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d815f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:39:04, skipping insertion in model container [2025-02-06 14:39:04,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:39:04" (3/3) ... [2025-02-06 14:39:04,834 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2025-02-06 14:39:04,847 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:39:04,849 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_harness.i that has 23 procedures, 422 locations, 1 initial locations, 3 loop locations, and 4 error locations. [2025-02-06 14:39:04,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:39:04,921 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;@6a73f22a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:39:04,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 14:39:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 422 states, 247 states have (on average 1.214574898785425) internal successors, (300), 252 states have internal predecessors, (300), 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) [2025-02-06 14:39:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 14:39:04,932 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:04,932 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, 1] [2025-02-06 14:39:04,933 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)] === [2025-02-06 14:39:04,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:04,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1036498626, now seen corresponding path program 1 times [2025-02-06 14:39:04,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:04,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893726104] [2025-02-06 14:39:04,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:04,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:40:16,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 14:40:16,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:40:16,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:40:16,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:40:17,593 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-06 14:40:17,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:40:17,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893726104] [2025-02-06 14:40:17,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893726104] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:40:17,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965457736] [2025-02-06 14:40:17,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:40:17,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:40:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:40:17,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:40:17,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process