./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 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_up_to_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:05:01,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:05:01,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:05:01,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:05:01,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:05:01,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:05:01,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:05:01,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:05:01,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:05:01,677 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:05:01,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:05:01,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:05:01,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:05:01,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:05:01,677 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:05:01,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:05:01,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:05:01,678 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:05:01,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:05:01,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:05:01,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:05:01,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:05:01,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:05:01,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:05:01,679 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2025-03-04 03:05:01,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:05:01,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:05:01,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:05:01,938 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:05:01,938 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:05:01,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2025-03-04 03:05:03,134 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18870440/a22853c10b3d42f992f1435d31dd3140/FLAG24dac4505 [2025-03-04 03:05:03,756 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:05:03,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2025-03-04 03:05:03,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18870440/a22853c10b3d42f992f1435d31dd3140/FLAG24dac4505 [2025-03-04 03:05:03,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a18870440/a22853c10b3d42f992f1435d31dd3140 [2025-03-04 03:05:03,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:05:03,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:05:03,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:05:03,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:05:03,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:05:03,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:05:03" (1/1) ... [2025-03-04 03:05:03,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f65a6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:03, skipping insertion in model container [2025-03-04 03:05:03,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:05:03" (1/1) ... [2025-03-04 03:05:03,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:05:04,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2025-03-04 03:05:04,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2025-03-04 03:05:05,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:05,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,106 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:05:06,326 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:05:06,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2025-03-04 03:05:06,342 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2025-03-04 03:05:06,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-04 03:05:06,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:05:06,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2025-03-04 03:05:06,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:05:06,761 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:05:06,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06 WrapperNode [2025-03-04 03:05:06,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:05:06,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:05:06,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:05:06,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:05:06,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:06,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:06,911 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2025-03-04 03:05:06,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:05:06,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:05:06,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:05:06,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:05:06,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:06,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:06,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,057 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [257, 2, 54, 68, 243]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [0, 2, 4, 10, 11]. The 523 writes are split as follows [257, 0, 30, 4, 232]. [2025-03-04 03:05:07,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,118 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:05:07,167 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:05:07,167 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:05:07,167 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:05:07,169 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (1/1) ... [2025-03-04 03:05:07,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:05:07,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:05:07,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:05:07,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:05:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 03:05:07,240 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 03:05:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:05:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:05:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:05:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2025-03-04 03:05:07,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2025-03-04 03:05:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:05:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:05:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:05:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:05:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:05:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:05:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:05:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:05:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:05:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:05:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:05:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:05:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2025-03-04 03:05:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:05:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:05:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:05:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:05:07,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2025-03-04 03:05:07,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:05:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2025-03-04 03:05:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:05:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2025-03-04 03:05:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2025-03-04 03:05:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:05:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:05:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2025-03-04 03:05:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2025-03-04 03:05:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2025-03-04 03:05:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2025-03-04 03:05:07,249 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:05:07,249 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:05:07,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:05:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2025-03-04 03:05:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2025-03-04 03:05:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:05:07,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:05:07,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:05:07,556 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:05:07,559 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:05:07,594 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:05:07,644 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8769: havoc #t~mem1324.base, #t~mem1324.offset;havoc #t~mem1325.base, #t~mem1325.offset;havoc #t~short1326;havoc #t~mem1327.base, #t~mem1327.offset;havoc #t~short1328;havoc #t~mem1329.base, #t~mem1329.offset;havoc #t~mem1330.base, #t~mem1330.offset;havoc #t~short1331;havoc #t~mem1332.base, #t~mem1332.offset;havoc #t~mem1333;havoc #t~mem1334.base, #t~mem1334.offset;havoc #t~short1335; [2025-03-04 03:05:07,646 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:05:07,649 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:05:07,719 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-04 03:05:07,763 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: havoc #t~ret422;havoc #t~mem421.base, #t~mem421.offset; [2025-03-04 03:05:07,775 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:05:07,787 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6032: havoc #t~mem452.base, #t~mem452.offset;havoc #t~mem453.base, #t~mem453.offset;havoc #t~short454; [2025-03-04 03:05:07,802 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: havoc #t~mem1357.base, #t~mem1357.offset; [2025-03-04 03:05:07,822 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5612: havoc #t~ret408.base, #t~ret408.offset; [2025-03-04 03:05:07,861 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6065: havoc #t~mem464.base, #t~mem464.offset;havoc #t~mem465.base, #t~mem465.offset;havoc #t~mem466.base, #t~mem466.offset;havoc #t~short467;havoc #t~short468;havoc #t~mem469.base, #t~mem469.offset;havoc #t~short470; [2025-03-04 03:05:07,885 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8199: havoc #t~mem1063;havoc #t~mem1064.base, #t~mem1064.offset;havoc #t~mem1065;havoc #t~mem1066.base, #t~mem1066.offset;call ULTIMATE.dealloc(~#buf~2.base, ~#buf~2.offset);havoc ~#buf~2.base, ~#buf~2.offset; [2025-03-04 03:05:07,896 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9193: havoc #t~mem1360.base, #t~mem1360.offset; [2025-03-04 03:05:14,910 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8759: havoc aws_ring_buffer_acquire_up_to_#t~ret1323#1; [2025-03-04 03:05:14,911 INFO L1325 $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; [2025-03-04 03:05:14,911 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8671: havoc aws_ring_buffer_acquire_up_to_#t~ret1273#1; [2025-03-04 03:05:14,911 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8688: havoc aws_ring_buffer_acquire_up_to_#t~ret1282#1; [2025-03-04 03:05:15,066 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2025-03-04 03:05:15,066 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:05:15,096 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:05:15,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:05:15,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:05:15 BoogieIcfgContainer [2025-03-04 03:05:15,097 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:05:15,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:05:15,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:05:15,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:05:15,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:05:03" (1/3) ... [2025-03-04 03:05:15,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5479a0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:05:15, skipping insertion in model container [2025-03-04 03:05:15,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:05:06" (2/3) ... [2025-03-04 03:05:15,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5479a0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:05:15, skipping insertion in model container [2025-03-04 03:05:15,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:05:15" (3/3) ... [2025-03-04 03:05:15,111 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2025-03-04 03:05:15,126 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:05:15,128 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_ring_buffer_acquire_up_to_harness_negated.i that has 22 procedures, 428 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-03-04 03:05:15,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:05:15,193 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;@68da01e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:05:15,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-04 03:05:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 428 states, 243 states have (on average 1.213991769547325) internal successors, (295), 247 states have internal predecessors, (295), 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) [2025-03-04 03:05:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-04 03:05:15,206 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:05:15,207 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] [2025-03-04 03:05:15,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-03-04 03:05:15,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:05:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash 889928156, now seen corresponding path program 1 times [2025-03-04 03:05:15,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:05:15,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431270552] [2025-03-04 03:05:15,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:05:15,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:06:25,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-04 03:06:25,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-04 03:06:25,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:06:25,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:06:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 03:06:26,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:06:26,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431270552] [2025-03-04 03:06:26,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431270552] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:06:26,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692486304] [2025-03-04 03:06:26,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:06:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:06:26,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:06:26,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:06:26,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process