./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_release_harness.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 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:20:11,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:20:11,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:20:11,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:20:11,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:20:11,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:20:11,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:20:11,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:20:11,656 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:20:11,657 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:20:11,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:20:11,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:20:11,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:20:11,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:20:11,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:20:11,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:20:11,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:20:11,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:20:11,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:20:11,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:20:11,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:20:11,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:20:11,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:20:11,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:20:11,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:20:11,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:20:11,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:20:11,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:20:11,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:20:11,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:11,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:20:11,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:20:11,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:20:11,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:20:11,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:20:11,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:20:11,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:20:11,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:20:11,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:20:11,691 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2024-11-09 03:20:11,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:20:11,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:20:11,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:20:11,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:20:11,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:20:11,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-09 03:20:13,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:20:14,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:20:14,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-09 03:20:14,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577df7dbf/5e50db5b1e1c459ab4ee8b2fcea9535b/FLAG15dcd8755 [2024-11-09 03:20:14,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577df7dbf/5e50db5b1e1c459ab4ee8b2fcea9535b [2024-11-09 03:20:14,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:20:14,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:20:14,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:14,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:20:14,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:20:14,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:14" (1/1) ... [2024-11-09 03:20:14,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b127208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:14, skipping insertion in model container [2024-11-09 03:20:14,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:20:14" (1/1) ... [2024-11-09 03:20:14,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:20:14,741 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_release_harness.i[4497,4510] [2024-11-09 03:20:14,757 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_release_harness.i[4557,4570] [2024-11-09 03:20:15,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:15,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:16,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:20:16,310 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_release_harness.i[4497,4510] [2024-11-09 03:20:16,310 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_release_harness.i[4557,4570] [2024-11-09 03:20:16,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 03:20:16,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:16,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-09 03:20:16,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:16,773 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:20:16,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16 WrapperNode [2024-11-09 03:20:16,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:16,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:16,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:20:16,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:20:16,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:16,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:16,969 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-11-09 03:20:16,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:16,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:20:16,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:20:16,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:20:16,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:16,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,076 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [257, 2, 49, 6, 36, 243]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [0, 2, 10, 4, 4, 11]. The 496 writes are split as follows [257, 0, 4, 0, 3, 232]. [2024-11-09 03:20:17,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:20:17,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:20:17,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:20:17,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:20:17,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (1/1) ... [2024-11-09 03:20:17,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:17,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:20:17,185 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) [2024-11-09 03:20:17,190 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 [2024-11-09 03:20:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:20:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:20:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 03:20:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-09 03:20:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:20:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:20:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:20:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:20:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:20:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:20:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-09 03:20:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-09 03:20:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:20:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:20:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:20:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:20:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:20:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:20:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:20:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:20:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:20:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:20:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:20:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:20:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:20:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:20:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 03:20:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 03:20:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 03:20:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 03:20:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 03:20:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-09 03:20:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-09 03:20:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-09 03:20:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 03:20:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 03:20:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 03:20:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-09 03:20:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-09 03:20:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-09 03:20:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:20:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:20:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:20:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:20:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:20:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:20:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:20:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:20:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:20:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:20:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:20:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:20:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:20:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:20:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:20:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:20:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:20:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 03:20:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 03:20:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:20:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 03:20:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:20:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:20:17,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:20:17,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:20:27,043 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-09 03:20:27,043 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:20:27,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:20:27,066 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 03:20:27,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:27 BoogieIcfgContainer [2024-11-09 03:20:27,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:20:27,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:20:27,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:20:27,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:20:27,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:20:14" (1/3) ... [2024-11-09 03:20:27,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c87f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:27, skipping insertion in model container [2024-11-09 03:20:27,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:16" (2/3) ... [2024-11-09 03:20:27,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c87f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:27, skipping insertion in model container [2024-11-09 03:20:27,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:27" (3/3) ... [2024-11-09 03:20:27,079 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2024-11-09 03:20:27,096 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:20:27,096 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 03:20:27,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:20:27,178 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;@7c0e801c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:20:27,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 03:20:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 319 states, 204 states have (on average 1.2352941176470589) internal successors, (252), 208 states have internal predecessors, (252), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-09 03:20:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 03:20:27,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:27,193 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-09 03:20:27,194 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)] === [2024-11-09 03:20:27,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:27,199 INFO L85 PathProgramCache]: Analyzing trace with hash -467156879, now seen corresponding path program 1 times [2024-11-09 03:20:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:27,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552767112] [2024-11-09 03:20:27,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:21:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat