./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_up_to_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:24:16,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:24:16,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:24:16,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:24:16,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:24:16,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:24:16,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:24:16,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:24:16,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:24:16,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:24:16,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:24:16,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:24:16,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:24:16,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:24:16,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:24:16,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:24:16,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:24:16,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:24:16,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:24:16,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:24:16,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:24:16,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:24:16,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:24:16,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:24:16,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:24:16,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:24:16,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:24:16,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:24:16,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:24:16,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:16,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:24:16,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:24:16,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:24:16,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:24:16,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:24:16,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:24:16,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:24:16,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:24:16,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:24:16,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-11-19 02:24:16,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:24:16,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:24:16,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:24:16,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:24:16,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:24:16,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-19 02:24:18,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:24:18,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:24:18,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-19 02:24:18,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8629c3f19/eb5a1b3db95e4551839c93cab6cfee81/FLAG6fc3732d1 [2024-11-19 02:24:18,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8629c3f19/eb5a1b3db95e4551839c93cab6cfee81 [2024-11-19 02:24:18,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:24:18,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:24:18,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:18,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:24:18,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:24:18,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:18" (1/1) ... [2024-11-19 02:24:18,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8258dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:18, skipping insertion in model container [2024-11-19 02:24:18,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:18" (1/1) ... [2024-11-19 02:24:18,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:24:18,953 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-19 02:24:18,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-19 02:24:19,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:19,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:20,045 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:24:20,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-11-19 02:24:20,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-11-19 02:24:20,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-19 02:24:20,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:20,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-11-19 02:24:20,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:20,455 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:24:20,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20 WrapperNode [2024-11-19 02:24:20,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:20,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:20,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:24:20,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:24:20,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,618 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-11-19 02:24:20,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:20,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:24:20,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:24:20,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:24:20,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,641 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,750 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [2, 257, 54, 243, 68]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 4, 11, 10]. The 523 writes are split as follows [0, 257, 30, 232, 4]. [2024-11-19 02:24:20,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:24:20,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:24:20,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:24:20,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:24:20,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (1/1) ... [2024-11-19 02:24:20,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:20,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:20,904 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) [2024-11-19 02:24:20,932 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 [2024-11-19 02:24:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-19 02:24:20,985 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-19 02:24:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:24:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:24:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:24:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-19 02:24:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-19 02:24:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:24:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:24:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:24:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:24:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:24:20,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:24:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-19 02:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:24:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:24:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:24:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:24:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:24:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:24:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:24:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:24:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:24:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-19 02:24:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:24:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-11-19 02:24:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:24:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:24:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:24:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:24:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:24:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:24:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:24:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:24:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-19 02:24:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-11-19 02:24:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-11-19 02:24:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:24:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:24:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-11-19 02:24:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-11-19 02:24:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:24:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:24:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:24:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-19 02:24:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-19 02:24:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-11-19 02:24:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-11-19 02:24:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-19 02:24:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:24:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:24:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:24:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:24:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:24:21,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:24:21,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:24:30,369 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-11-19 02:24:30,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:24:30,388 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:24:30,388 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 02:24:30,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:30 BoogieIcfgContainer [2024-11-19 02:24:30,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:24:30,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:24:30,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:24:30,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:24:30,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:18" (1/3) ... [2024-11-19 02:24:30,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcbba00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:30, skipping insertion in model container [2024-11-19 02:24:30,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:20" (2/3) ... [2024-11-19 02:24:30,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcbba00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:30, skipping insertion in model container [2024-11-19 02:24:30,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:30" (3/3) ... [2024-11-19 02:24:30,396 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-11-19 02:24:30,409 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:24:30,409 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 02:24:30,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:24:30,480 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;@7302f167, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:24:30,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 02:24:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 426 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-19 02:24:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-19 02:24:30,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:30,492 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:24:30,492 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)] === [2024-11-19 02:24:30,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:30,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-11-19 02:24:30,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:30,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645508389] [2024-11-19 02:24:30,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:30,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:25:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:25:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-19 02:25:45,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:25:45,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645508389] [2024-11-19 02:25:45,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645508389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:25:45,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030262928] [2024-11-19 02:25:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:25:45,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:25:45,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:45,247 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) [2024-11-19 02:25:45,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process