./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU --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 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:55,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:55,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:11:55,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:55,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:55,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:55,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:55,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:55,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:55,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:55,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:55,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:55,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:55,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:55,778 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:55,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:55,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:55,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:55,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:55,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:55,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:55,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:55,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:55,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:55,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:55,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:55,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:55,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:55,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:55,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:55,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:55,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:55,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:55,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:55,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:55,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:55,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:55,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:55,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:55,795 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8447345c77c4cd41702c25ecfe2d3607219db9a014ac178446aa435c3dbc6c8c [2024-10-31 22:11:56,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:56,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:56,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:56,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:56,163 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:56,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i Unable to find full path for "g++" [2024-10-31 22:11:58,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:58,885 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:58,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2024-10-31 22:11:58,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/data/d10193fc6/9c2129efad56486e8fac659404437045/FLAG92643a09c [2024-10-31 22:11:58,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/data/d10193fc6/9c2129efad56486e8fac659404437045 [2024-10-31 22:11:58,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:58,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:58,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:58,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:58,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:58,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:58" (1/1) ... [2024-10-31 22:11:58,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a599629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:58, skipping insertion in model container [2024-10-31 22:11:58,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:58" (1/1) ... [2024-10-31 22:11:59,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:59,506 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-10-31 22:11:59,517 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-10-31 22:12:00,625 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,626 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,627 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,628 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,630 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,649 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,650 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,653 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:00,654 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,618 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,619 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:01,800 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:01,820 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2024-10-31 22:12:01,821 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2024-10-31 22:12:01,900 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,901 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,901 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,902 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,903 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,913 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,917 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,918 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:01,919 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:02,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-10-31 22:12:02,134 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:02,135 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:02,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2024-10-31 22:12:02,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:02,548 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:02,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02 WrapperNode [2024-10-31 22:12:02,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:02,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:02,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:02,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:02,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:02,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:02,843 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-10-31 22:12:02,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:02,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:02,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:02,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:02,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:02,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:02,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,010 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [68, 2, 257, 243, 54]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [10, 2, 0, 11, 4]. The 523 writes are split as follows [4, 0, 257, 232, 30]. [2024-10-31 22:12:03,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:03,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:03,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:03,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:03,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (1/1) ... [2024-10-31 22:12:03,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:03,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:03,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:03,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fce0557b-8309-47b2-b73e-cbfea4801aca/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:12:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:12:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:12:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:12:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-10-31 22:12:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-10-31 22:12:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:12:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:12:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:12:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:12:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:12:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:12:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-10-31 22:12:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-10-31 22:12:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:12:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:12:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:12:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:12:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:12:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:12:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:12:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:12:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:12:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-10-31 22:12:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-10-31 22:12:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-10-31 22:12:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-10-31 22:12:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:12:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:12:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:12:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:12:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:12:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:12:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:12:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:12:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:12:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:12:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:12:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:12:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-10-31 22:12:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:12:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-10-31 22:12:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-10-31 22:12:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:12:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:12:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:12:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-10-31 22:12:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-10-31 22:12:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:12:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:12:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:12:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:12:03,711 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:03,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:15,431 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:15,431 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:15,461 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:15,461 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:12:15,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:15 BoogieIcfgContainer [2024-10-31 22:12:15,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:15,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:15,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:15,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:15,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:58" (1/3) ... [2024-10-31 22:12:15,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43672381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:15, skipping insertion in model container [2024-10-31 22:12:15,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:02" (2/3) ... [2024-10-31 22:12:15,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43672381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:15, skipping insertion in model container [2024-10-31 22:12:15,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:15" (3/3) ... [2024-10-31 22:12:15,480 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2024-10-31 22:12:15,500 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:15,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:12:15,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:15,606 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;@6ddb8cfe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:15,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-31 22:12:15,615 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) [2024-10-31 22:12:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-31 22:12:15,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:15,626 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] [2024-10-31 22:12:15,627 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)] === [2024-10-31 22:12:15,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:15,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-10-31 22:12:15,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:15,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315819560] [2024-10-31 22:12:15,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:15,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms