./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:23:58,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:23:58,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:23:58,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:23:58,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:23:58,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:23:58,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:23:58,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:23:58,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:23:58,455 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:23:58,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:23:58,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:23:58,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:23:58,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:23:58,458 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:23:58,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:23:58,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:23:58,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:23:58,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:23:58,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:23:58,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:23:58,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:23:58,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:23:58,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:23:58,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:23:58,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:23:58,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:23:58,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:23:58,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:23:58,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:23:58,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:23:58,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:23:58,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:23:58,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:23:58,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:23:58,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:23:58,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:23:58,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:23:58,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:23:58,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2024-11-22 14:23:58,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:23:58,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:23:58,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:23:58,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:23:58,675 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:23:58,675 INFO L431 ainManager$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 [2024-11-22 14:23:59,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:24:00,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:24:00,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-11-22 14:24:00,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df74e35b0/1604888cb13444a88a9dab91053986c4/FLAGc86a9dad9 [2024-11-22 14:24:00,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df74e35b0/1604888cb13444a88a9dab91053986c4 [2024-11-22 14:24:00,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:24:00,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:24:00,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:24:00,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:24:00,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:24:00,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:24:00" (1/1) ... [2024-11-22 14:24:00,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274151af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:00, skipping insertion in model container [2024-11-22 14:24:00,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:24:00" (1/1) ... [2024-11-22 14:24:00,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:24:00,764 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] [2024-11-22 14:24:00,771 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] [2024-11-22 14:24:01,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,260 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,261 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,269 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,269 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,270 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,677 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,678 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:24:01,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:24:01,800 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] [2024-11-22 14:24:01,801 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] [2024-11-22 14:24:01,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:01,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:02,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-22 14:24:02,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:02,013 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:02,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-22 14:24:02,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:24:02,243 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:24:02,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02 WrapperNode [2024-11-22 14:24:02,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:24:02,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:24:02,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:24:02,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:24:02,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,384 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-11-22 14:24:02,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:24:02,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:24:02,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:24:02,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:24:02,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,486 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [243, 257, 2, 49, 6, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [11, 0, 2, 10, 4, 4]. The 496 writes are split as follows [232, 257, 0, 4, 0, 3]. [2024-11-22 14:24:02,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:24:02,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:24:02,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:24:02,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:24:02,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (1/1) ... [2024-11-22 14:24:02,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:24:02,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:24:02,613 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) [2024-11-22 14:24:02,618 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 [2024-11-22 14:24:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:24:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:24:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:24:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:24:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:24:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-22 14:24:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-22 14:24:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:24:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-11-22 14:24:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:24:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:24:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-22 14:24:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:24:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:24:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:24:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:24:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-22 14:24:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-22 14:24:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:24:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:24:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-22 14:24:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 14:24:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 14:24:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 14:24:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 14:24:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 14:24:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 14:24:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 14:24:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:24:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:24:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:24:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:24:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:24:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:24:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-22 14:24:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-22 14:24:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:24:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:24:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-22 14:24:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-22 14:24:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-22 14:24:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-22 14:24:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:24:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:24:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-22 14:24:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-22 14:24:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-22 14:24:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-22 14:24:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-22 14:24:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-22 14:24:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:24:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:24:02,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:24:02,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:24:11,314 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-22 14:24:11,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:24:11,329 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:24:11,329 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 14:24:11,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:24:11 BoogieIcfgContainer [2024-11-22 14:24:11,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:24:11,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:24:11,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:24:11,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:24:11,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:24:00" (1/3) ... [2024-11-22 14:24:11,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e4c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:24:11, skipping insertion in model container [2024-11-22 14:24:11,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:02" (2/3) ... [2024-11-22 14:24:11,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e4c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:24:11, skipping insertion in model container [2024-11-22 14:24:11,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:24:11" (3/3) ... [2024-11-22 14:24:11,336 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2024-11-22 14:24:11,347 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:24:11,347 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 14:24:11,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:24:11,411 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;@97cbea8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:24:11,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 14:24:11,415 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) [2024-11-22 14:24:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-22 14:24:11,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:24:11,425 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] [2024-11-22 14:24:11,426 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)] === [2024-11-22 14:24:11,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:24:11,429 INFO L85 PathProgramCache]: Analyzing trace with hash -467156879, now seen corresponding path program 1 times [2024-11-22 14:24:11,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:24:11,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583033988] [2024-11-22 14:24:11,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:24:11,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:25:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:25:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-22 14:25:24,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:25:24,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583033988] [2024-11-22 14:25:24,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583033988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:25:24,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356451292] [2024-11-22 14:25:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:25:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:25:24,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:25:24,125 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) [2024-11-22 14:25:24,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process