./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_up_to_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:23:49,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:23:49,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:23:49,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:23:49,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:23:49,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:23:49,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:23:49,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:23:49,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:23:49,756 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:23:49,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:23:49,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:23:49,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:23:49,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:23:49,757 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:23:49,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:23:49,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:23:49,759 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:23:49,759 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:49,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:23:49,760 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2025-02-06 05:23:50,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:23:50,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:23:50,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:23:50,064 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:23:50,064 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:23:50,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2025-02-06 05:23:51,475 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db53739f8/7c8e865e780e44e1852e214d958cd8ff/FLAG47461fce0 [2025-02-06 05:23:52,095 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:23:52,096 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2025-02-06 05:23:52,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db53739f8/7c8e865e780e44e1852e214d958cd8ff/FLAG47461fce0 [2025-02-06 05:23:52,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db53739f8/7c8e865e780e44e1852e214d958cd8ff [2025-02-06 05:23:52,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:23:52,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:23:52,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:23:52,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:23:52,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:23:52,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:23:52" (1/1) ... [2025-02-06 05:23:52,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145e77ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:52, skipping insertion in model container [2025-02-06 05:23:52,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:23:52" (1/1) ... [2025-02-06 05:23:52,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:23:52,940 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2025-02-06 05:23:52,951 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2025-02-06 05:23:53,554 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:53,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:23:54,325 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:23:54,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2025-02-06 05:23:54,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2025-02-06 05:23:54,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:23:54,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:23:54,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2025-02-06 05:23:54,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:23:54,830 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:23:54,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54 WrapperNode [2025-02-06 05:23:54,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:23:54,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:23:54,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:23:54,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:23:54,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:54,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,008 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2025-02-06 05:23:55,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:23:55,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:23:55,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:23:55,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:23:55,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,132 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [2, 257, 243, 68, 54]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 11, 10, 4]. The 523 writes are split as follows [0, 257, 232, 4, 30]. [2025-02-06 05:23:55,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,197 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:23:55,251 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:23:55,251 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:23:55,252 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:23:55,253 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (1/1) ... [2025-02-06 05:23:55,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:23:55,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:23:55,285 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 05:23:55,288 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 05:23:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:23:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:23:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:23:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:23:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:23:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-02-06 05:23:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-02-06 05:23:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:23:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:23:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:23:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:23:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:23:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:23:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:23:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:23:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:23:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:23:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:23:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:23:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:23:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-02-06 05:23:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-02-06 05:23:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:23:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:23:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:23:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-06 05:23:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:23:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-02-06 05:23:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:23:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-02-06 05:23:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:23:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-02-06 05:23:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:23:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-02-06 05:23:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-02-06 05:23:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-02-06 05:23:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:23:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:23:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-02-06 05:23:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-02-06 05:23:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:23:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:23:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:23:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:23:55,662 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:23:55,665 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:23:55,703 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:23:55,757 INFO L1309 $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; [2025-02-06 05:23:55,760 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-06 05:23:55,762 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:23:55,823 INFO L1309 $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; [2025-02-06 05:23:55,865 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-02-06 05:23:55,873 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:23:55,889 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-02-06 05:23:55,899 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2025-02-06 05:23:55,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-02-06 05:23:55,975 INFO L1309 $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; [2025-02-06 05:23:56,007 INFO L1309 $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; [2025-02-06 05:23:56,024 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2025-02-06 05:24:03,754 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8759: havoc aws_ring_buffer_acquire_up_to_#t~ret1323#1; [2025-02-06 05:24:03,755 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8680: havoc aws_ring_buffer_acquire_up_to_~ring_space~1#1, aws_ring_buffer_acquire_up_to_~allocation_size~1#1; [2025-02-06 05:24:03,755 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8671: havoc aws_ring_buffer_acquire_up_to_#t~ret1273#1; [2025-02-06 05:24:03,755 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_up_to_#t~ret1282#1; [2025-02-06 05:24:03,947 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2025-02-06 05:24:03,947 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:24:03,979 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:24:03,983 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:24:03,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:24:03 BoogieIcfgContainer [2025-02-06 05:24:03,984 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:24:03,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:24:03,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:24:03,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:24:03,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:23:52" (1/3) ... [2025-02-06 05:24:03,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b2d63b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:24:03, skipping insertion in model container [2025-02-06 05:24:03,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:23:54" (2/3) ... [2025-02-06 05:24:03,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b2d63b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:24:03, skipping insertion in model container [2025-02-06 05:24:03,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:24:03" (3/3) ... [2025-02-06 05:24:03,994 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2025-02-06 05:24:04,009 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:24:04,011 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_up_to_harness_negated.i that has 22 procedures, 430 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-02-06 05:24:04,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:24:04,091 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;@5cf20c29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:24:04,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 05:24:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 430 states, 245 states have (on average 1.2122448979591838) internal successors, (297), 249 states have internal predecessors, (297), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-02-06 05:24:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 05:24:04,106 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:24:04,107 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1] [2025-02-06 05:24:04,107 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)] === [2025-02-06 05:24:04,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:24:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1648625285, now seen corresponding path program 1 times [2025-02-06 05:24:04,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:24:04,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674851525] [2025-02-06 05:24:04,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:24:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:25:11,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 05:25:12,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 05:25:12,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:25:12,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:25:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-06 05:25:13,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:25:13,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674851525] [2025-02-06 05:25:13,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674851525] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:25:13,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667403205] [2025-02-06 05:25:13,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:13,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:25:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:13,288 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 05:25:13,291 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