./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 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_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/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_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/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_f205c025-50ac-4c5f-99a5-45f54d470e25/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 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:09,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:09,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:12:09,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:09,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:09,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:09,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:09,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:09,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:09,243 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:09,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:09,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:09,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:09,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:09,245 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:09,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:09,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:09,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:09,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:09,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:09,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:09,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:09,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:09,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:09,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:09,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:09,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:09,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:09,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:09,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:09,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:09,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:09,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:09,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:09,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:09,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:09,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:09,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:09,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:09,269 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_f205c025-50ac-4c5f-99a5-45f54d470e25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 772b15d8153190f847bc1df122e04df0adc1c78736cf51ee691c4d43e8a4ef80 [2024-10-31 22:12:09,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:09,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:09,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:09,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:09,673 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:09,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i Unable to find full path for "g++" [2024-10-31 22:12:11,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:12,586 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:12,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2024-10-31 22:12:12,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/data/8271e7c48/f172ad36465b44839e5171e2b3ac4870/FLAGa55ee3fdc [2024-10-31 22:12:12,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/data/8271e7c48/f172ad36465b44839e5171e2b3ac4870 [2024-10-31 22:12:12,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:12,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:12,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:12,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:12,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:12,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:12" (1/1) ... [2024-10-31 22:12:12,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ac171b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:12, skipping insertion in model container [2024-10-31 22:12:12,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:12" (1/1) ... [2024-10-31 22:12:12,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:13,152 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_f205c025-50ac-4c5f-99a5-45f54d470e25/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2024-10-31 22:12:13,162 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_f205c025-50ac-4c5f-99a5-45f54d470e25/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2024-10-31 22:12:14,363 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,364 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,365 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,366 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,368 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,384 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,385 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,388 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:14,389 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,606 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,607 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:15,826 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:15,842 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_f205c025-50ac-4c5f-99a5-45f54d470e25/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2024-10-31 22:12:15,843 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_f205c025-50ac-4c5f-99a5-45f54d470e25/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2024-10-31 22:12:15,902 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,906 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,906 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,907 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,908 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,916 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,917 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,918 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:15,919 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:16,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-10-31 22:12:16,101 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:16,102 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:16,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-10-31 22:12:16,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:16,511 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:16,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16 WrapperNode [2024-10-31 22:12:16,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:16,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:16,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:16,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:16,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:16,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:16,816 INFO L138 Inliner]: procedures = 684, calls = 2948, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 1031 [2024-10-31 22:12:16,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:16,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:16,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:16,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:16,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:16,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:16,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,044 INFO L175 MemorySlicer]: Split 593 memory accesses to 6 slices as follows [2, 257, 6, 49, 243, 36]. 43 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 4, 10, 11, 4]. The 496 writes are split as follows [0, 257, 0, 4, 232, 3]. [2024-10-31 22:12:17,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:17,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:17,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:17,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:17,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (1/1) ... [2024-10-31 22:12:17,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:17,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:17,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f205c025-50ac-4c5f-99a5-45f54d470e25/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:17,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:12:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:17,304 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:12:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:12:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-10-31 22:12:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-10-31 22:12:17,305 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-10-31 22:12:17,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2024-10-31 22:12:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:12:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:12:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:12:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:12:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:12:17,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:12:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2024-10-31 22:12:17,308 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2024-10-31 22:12:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:12:17,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:12:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:12:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:12:17,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:12:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-10-31 22:12:17,309 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-10-31 22:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:17,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:12:17,311 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:12:17,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:12:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:12:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:12:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:12:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-10-31 22:12:17,313 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:12:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 22:12:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 22:12:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 22:12:17,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:12:17,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:12:17,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:12:17,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 22:12:17,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 22:12:17,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 22:12:17,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:17,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:12:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:12:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:12:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-10-31 22:12:17,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-10-31 22:12:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-10-31 22:12:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-10-31 22:12:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:12:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:12:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-10-31 22:12:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-10-31 22:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-10-31 22:12:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-10-31 22:12:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:12:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:12:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:12:17,844 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:17,847 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:29,464 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:29,465 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:29,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:29,497 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:12:29,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:29 BoogieIcfgContainer [2024-10-31 22:12:29,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:29,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:29,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:29,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:29,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:12" (1/3) ... [2024-10-31 22:12:29,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fd37d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:29, skipping insertion in model container [2024-10-31 22:12:29,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:16" (2/3) ... [2024-10-31 22:12:29,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64fd37d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:29, skipping insertion in model container [2024-10-31 22:12:29,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:29" (3/3) ... [2024-10-31 22:12:29,509 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2024-10-31 22:12:29,527 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:29,527 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:12:29,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:29,621 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;@16bffc09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:29,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-31 22:12:29,627 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) [2024-10-31 22:12:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 22:12:29,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:29,639 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] [2024-10-31 22:12:29,640 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 22:12:29,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:29,646 INFO L85 PathProgramCache]: Analyzing trace with hash -467156879, now seen corresponding path program 1 times [2024-10-31 22:12:29,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:29,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795993526] [2024-10-31 22:12:29,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:29,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms