./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:31:46,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:31:46,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 23:31:46,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:31:46,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:31:46,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:31:46,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:31:46,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:31:46,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:31:46,493 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:31:46,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:31:46,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:31:46,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:31:46,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:31:46,495 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:31:46,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:31:46,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:31:46,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:31:46,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:31:46,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:31:46,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:31:46,497 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:31:46,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:31:46,498 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:31:46,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:31:46,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:31:46,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:31:46,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:46,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:31:46,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:31:46,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:31:46,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:31:46,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:46,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:31:46,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:31:46,500 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:31:46,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:31:46,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:31:46,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:31:46,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:31:46,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:31:46,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:31:46,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:31:46,502 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB 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 ! overflow) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 [2024-11-27 23:31:46,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:31:46,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:31:46,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:31:46,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:31:46,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:31:46,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-27 23:31:49,973 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/data/995f9c06c/dc6e428541974e0f90bfb7c055cee890/FLAGec9ca1f2c [2024-11-27 23:31:50,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:31:50,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-11-27 23:31:50,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/data/995f9c06c/dc6e428541974e0f90bfb7c055cee890/FLAGec9ca1f2c [2024-11-27 23:31:50,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/data/995f9c06c/dc6e428541974e0f90bfb7c055cee890 [2024-11-27 23:31:50,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:31:50,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:31:50,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:31:50,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:31:50,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:31:50,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65324113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50, skipping insertion in model container [2024-11-27 23:31:50,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:31:50,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:31:50,797 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:31:50,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:31:50,899 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:31:50,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50 WrapperNode [2024-11-27 23:31:50,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:31:50,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:31:50,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:31:50,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:31:50,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,940 INFO L138 Inliner]: procedures = 165, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-27 23:31:50,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:31:50,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:31:50,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:31:50,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:31:50,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,974 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 0 writes are split as follows [0, 0]. [2024-11-27 23:31:50,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:50,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:31:50,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:31:50,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:31:50,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:31:50,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (1/1) ... [2024-11-27 23:31:51,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:51,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:31:51,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:31:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-27 23:31:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-27 23:31:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 23:31:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:31:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:31:51,060 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:31:51,197 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:31:51,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:31:51,360 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:31:51,360 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:31:51,519 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:31:51,519 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:31:51,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:51 BoogieIcfgContainer [2024-11-27 23:31:51,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:31:51,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:31:51,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:31:51,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:31:51,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:31:50" (1/3) ... [2024-11-27 23:31:51,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ba3c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:31:51, skipping insertion in model container [2024-11-27 23:31:51,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:50" (2/3) ... [2024-11-27 23:31:51,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ba3c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:31:51, skipping insertion in model container [2024-11-27 23:31:51,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:51" (3/3) ... [2024-11-27 23:31:51,530 INFO L128 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-11-27 23:31:51,547 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:31:51,549 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 18_read_write_lock.i that has 2 procedures, 19 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-27 23:31:51,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ba3c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:31:51, skipping insertion in model container [2024-11-27 23:31:51,552 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:31:51,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:31:51,553 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:31:51,554 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:31:51,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:51" (3/3) ... [2024-11-27 23:31:51,557 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:31:51,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-27 23:31:51,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-27 23:31:51,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-27 23:31:51,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 23:31:51,563 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:31:51,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:31:51,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:31:51,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:31:51,646 INFO L158 Benchmark]: Toolchain (without parser) took 1234.84ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 37.9MB in the end (delta: 54.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-27 23:31:51,646 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:51,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.37ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:31:51,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.99ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:51,647 INFO L158 Benchmark]: Boogie Preprocessor took 52.95ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:31:51,648 INFO L158 Benchmark]: RCFGBuilder took 525.68ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 45.2MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:31:51,648 INFO L158 Benchmark]: TraceAbstraction took 29.43ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 42.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:51,649 INFO L158 Benchmark]: Witness Printer took 90.48ms. Allocated memory is still 117.4MB. Free memory was 42.4MB in the beginning and 37.9MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:51,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.37ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 73.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.99ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.95ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 69.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 525.68ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 45.2MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29.43ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 42.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.48ms. Allocated memory is still 117.4MB. Free memory was 42.4MB in the beginning and 37.9MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-27 23:31:51,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92cebd1b-0c49-4ae5-b617-e42c6bd46ea9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE