./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_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_acquire_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 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:19:55,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:19:55,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:19:55,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:19:55,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:19:55,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:19:55,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:19:55,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:19:55,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:19:55,940 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:19:55,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:19:55,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:19:55,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:19:55,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:19:55,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:19:55,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:19:55,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:19:55,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:19:55,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:19:55,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:19:55,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:19:55,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:19:55,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:19:55,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:19:55,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:19:55,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:19:55,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:19:55,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:19:55,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:19:55,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:19:55,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:19:55,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:19:55,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:19:55,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:19:55,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:19:55,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:19:55,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:19:55,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:19:55,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:19:55,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d24b296895bb1aad8d34c2d7efdb39aad00aa64487bccb479278d36c5a9a207 [2024-11-09 03:19:56,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:19:56,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:19:56,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:19:56,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:19:56,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:19:56,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-09 03:19:57,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:19:58,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:19:58,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2024-11-09 03:19:58,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be58a5a0/17cb334747394a16a18ad43d2dba7720/FLAG30a879196 [2024-11-09 03:19:58,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be58a5a0/17cb334747394a16a18ad43d2dba7720 [2024-11-09 03:19:58,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:19:58,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:19:58,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:19:58,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:19:58,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:19:58,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:19:58" (1/1) ... [2024-11-09 03:19:58,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e709fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:19:58, skipping insertion in model container [2024-11-09 03:19:58,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:19:58" (1/1) ... [2024-11-09 03:19:58,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:19:58,694 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_harness.i[4497,4510] [2024-11-09 03:19:58,706 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_harness.i[4557,4570] [2024-11-09 03:19:59,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,494 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,516 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:19:59,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:00,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:20:00,341 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_harness.i[4497,4510] [2024-11-09 03:20:00,342 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_harness.i[4557,4570] [2024-11-09 03:20:00,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,458 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,459 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 03:20:00,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:20:00,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-11-09 03:20:00,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:20:00,983 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:20:00,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00 WrapperNode [2024-11-09 03:20:00,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:20:00,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:00,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:20:00,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:20:00,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,185 INFO L138 Inliner]: procedures = 684, calls = 2943, calls flagged for inlining = 61, calls inlined = 12, statements flattened = 1208 [2024-11-09 03:20:01,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:20:01,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:20:01,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:20:01,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:20:01,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,347 INFO L175 MemorySlicer]: Split 617 memory accesses to 5 slices as follows [2, 257, 47, 243, 68]. 42 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 4, 11, 10]. The 515 writes are split as follows [0, 257, 22, 232, 4]. [2024-11-09 03:20:01,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:20:01,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:20:01,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:20:01,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:20:01,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (1/1) ... [2024-11-09 03:20:01,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:20:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:20:01,515 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 03:20:01,518 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 03:20:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:20:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:20:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:20:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:20:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-09 03:20:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-09 03:20:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:20:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:20:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:20:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:20:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:20:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:20:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:20:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:20:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:20:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:20:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:20:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:20:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:20:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:20:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:20:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:20:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:20:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:20:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:20:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:20:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:20:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-09 03:20:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:20:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:20:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:20:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:20:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:20:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:20:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:20:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:20:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:20:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-09 03:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:20:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-09 03:20:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-09 03:20:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-09 03:20:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:20:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:20:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-09 03:20:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-09 03:20:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-09 03:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-09 03:20:01,580 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:20:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:20:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:20:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:20:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:20:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:20:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:20:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:01,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-09 03:20:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-09 03:20:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-09 03:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-09 03:20:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:01,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-09 03:20:01,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:20:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:20:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:20:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:20:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:20:01,983 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:20:01,986 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:20:12,383 INFO L? ?]: Removed 224 outVars from TransFormulas that were not future-live. [2024-11-09 03:20:12,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:20:12,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:20:12,410 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 03:20:12,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:12 BoogieIcfgContainer [2024-11-09 03:20:12,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:20:12,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:20:12,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:20:12,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:20:12,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:19:58" (1/3) ... [2024-11-09 03:20:12,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1eb341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:12, skipping insertion in model container [2024-11-09 03:20:12,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:20:00" (2/3) ... [2024-11-09 03:20:12,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1eb341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:20:12, skipping insertion in model container [2024-11-09 03:20:12,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:20:12" (3/3) ... [2024-11-09 03:20:12,418 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2024-11-09 03:20:12,436 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:20:12,437 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 03:20:12,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:20:12,535 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;@6a084548, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:20:12,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 03:20:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-09 03:20:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 03:20:12,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:20:12,550 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:20:12,550 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 03:20:12,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:20:12,557 INFO L85 PathProgramCache]: Analyzing trace with hash -832162892, now seen corresponding path program 1 times [2024-11-09 03:20:12,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:20:12,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43228181] [2024-11-09 03:20:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:20:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:21:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:29,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:21:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:21:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:21:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 03:21:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:21:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:21:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:21:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:21:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:21:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 03:21:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 03:21:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 03:21:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:21:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 03:21:30,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:21:30,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43228181] [2024-11-09 03:21:30,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43228181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:21:30,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:21:30,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:21:30,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956659382] [2024-11-09 03:21:30,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:21:30,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:21:30,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:21:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:21:30,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:21:30,260 INFO L87 Difference]: Start difference. First operand has 412 states, 240 states have (on average 1.2208333333333334) internal successors, (293), 245 states have internal predecessors, (293), 146 states have call successors, (146), 21 states have call predecessors, (146), 21 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)