./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 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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/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 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:39,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:39,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:14:39,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:39,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:39,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:39,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:39,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:39,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:39,181 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:39,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:39,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:39,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:39,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:39,185 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:39,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:39,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:39,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:39,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:39,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:39,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:39,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:39,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:39,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:39,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:39,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:39,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:39,194 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:39,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:39,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:39,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:39,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:39,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:39,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:39,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:39,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:39,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:39,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:39,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:39,200 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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30b65818a1a5f98b95f4d6debf739e0d8660272b87140bdcdb24cc42ca73261b [2024-10-31 22:14:39,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:39,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:39,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:39,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:39,558 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:39,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:14:41,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:42,575 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:42,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i [2024-10-31 22:14:42,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/data/68ad899ea/a78d6f57a22044f2af8df7f3c3e82ebe/FLAGd1d8ba814 [2024-10-31 22:14:43,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/data/68ad899ea/a78d6f57a22044f2af8df7f3c3e82ebe [2024-10-31 22:14:43,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:43,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:43,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:43,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:43,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:43,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:43,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205a6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:43, skipping insertion in model container [2024-10-31 22:14:43,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:43" (1/1) ... [2024-10-31 22:14:43,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:43,552 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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-10-31 22:14:43,561 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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-10-31 22:14:44,702 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,703 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,704 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,705 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,707 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,726 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,727 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,730 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:44,731 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:45,890 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:45,891 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:46,134 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:46,157 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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4503,4516] [2024-10-31 22:14:46,161 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_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness_negated.i[4563,4576] [2024-10-31 22:14:46,232 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,232 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,233 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,234 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,235 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,247 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,248 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,249 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,250 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-10-31 22:14:46,440 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,441 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2024-10-31 22:14:46,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:46,847 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:46,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46 WrapperNode [2024-10-31 22:14:46,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:46,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:46,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:46,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:46,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,128 INFO L138 Inliner]: procedures = 684, calls = 2931, calls flagged for inlining = 60, calls inlined = 11, statements flattened = 1229 [2024-10-31 22:14:47,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:47,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:47,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:47,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:47,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,283 INFO L175 MemorySlicer]: Split 624 memory accesses to 5 slices as follows [54, 257, 2, 68, 243]. 41 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [4, 0, 2, 10, 11]. The 523 writes are split as follows [30, 257, 0, 4, 232]. [2024-10-31 22:14:47,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:47,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:47,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:47,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:47,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (1/1) ... [2024-10-31 22:14:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:47,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:47,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:47,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed670fdf-9bfc-48ad-9504-0b13fbef9f8a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:14:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:14:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:14:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:14:47,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:14:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-10-31 22:14:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-10-31 22:14:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:14:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:14:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:14:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:14:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:14:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:14:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:14:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:14:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-10-31 22:14:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-10-31 22:14:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:14:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:14:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:14:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:14:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-10-31 22:14:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-10-31 22:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2024-10-31 22:14:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2024-10-31 22:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:14:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:14:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:14:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:14:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:14:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:14:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:14:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2024-10-31 22:14:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2024-10-31 22:14:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:14:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:14:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2024-10-31 22:14:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2024-10-31 22:14:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2024-10-31 22:14:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2024-10-31 22:14:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:14:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:14:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:14:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:14:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:14:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:14:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:14:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:14:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-10-31 22:14:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-10-31 22:14:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-10-31 22:14:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2024-10-31 22:14:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2024-10-31 22:14:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:14:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-10-31 22:14:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:14:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:14:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:14:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:14:47,999 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:48,002 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:59,934 INFO L? ?]: Removed 227 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:59,934 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:59,957 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:59,957 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:14:59,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:59 BoogieIcfgContainer [2024-10-31 22:14:59,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:59,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:59,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:59,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:59,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:43" (1/3) ... [2024-10-31 22:14:59,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc0e1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:59, skipping insertion in model container [2024-10-31 22:14:59,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:46" (2/3) ... [2024-10-31 22:14:59,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc0e1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:59, skipping insertion in model container [2024-10-31 22:14:59,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:59" (3/3) ... [2024-10-31 22:14:59,969 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness_negated.i [2024-10-31 22:14:59,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:59,989 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:15:00,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:00,105 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;@39edc9ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:00,106 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-31 22:15:00,112 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 22:15:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-31 22:15:00,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:00,129 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 22:15:00,130 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 22:15:00,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:00,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1254000177, now seen corresponding path program 1 times [2024-10-31 22:15:00,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:00,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161372388] [2024-10-31 22:15:00,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms