./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e523f48 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-5e523f4 [2024-11-21 00:44:04,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 00:44:05,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-21 00:44:05,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 00:44:05,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 00:44:05,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 00:44:05,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 00:44:05,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 00:44:05,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 00:44:05,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 00:44:05,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 00:44:05,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 00:44:05,100 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 00:44:05,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 00:44:05,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 00:44:05,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 00:44:05,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 00:44:05,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 00:44:05,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 00:44:05,103 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 00:44:05,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:44:05,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 00:44:05,104 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 00:44:05,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y 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 -> GemCutter 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 -> ab88d5d149a161a7149bad4a02dfeb168f970e6264d498d3725e0f24ecb8e5e3 [2024-11-21 00:44:05,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 00:44:05,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 00:44:05,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 00:44:05,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 00:44:05,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 00:44:05,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-21 00:44:08,643 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/data/3abe8d6f7/1c87569bda45494eb4dea0626055a010/FLAGca74a20ad [2024-11-21 00:44:09,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 00:44:09,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2024-11-21 00:44:09,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/data/3abe8d6f7/1c87569bda45494eb4dea0626055a010/FLAGca74a20ad [2024-11-21 00:44:09,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/data/3abe8d6f7/1c87569bda45494eb4dea0626055a010 [2024-11-21 00:44:09,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 00:44:09,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 00:44:09,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 00:44:09,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 00:44:09,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 00:44:09,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2070eac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09, skipping insertion in model container [2024-11-21 00:44:09,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 00:44:09,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:44:09,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 00:44:09,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:44:09,694 INFO L204 MainTranslator]: Completed translation [2024-11-21 00:44:09,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09 WrapperNode [2024-11-21 00:44:09,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 00:44:09,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 00:44:09,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 00:44:09,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 00:44:09,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,750 INFO L138 Inliner]: procedures = 163, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-21 00:44:09,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 00:44:09,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 00:44:09,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 00:44:09,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 00:44:09,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 00:44:09,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 00:44:09,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 00:44:09,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 00:44:09,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (1/1) ... [2024-11-21 00:44:09,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:44:09,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:09,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 00:44:09,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 00:44:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-21 00:44:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 00:44:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 00:44:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-21 00:44:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-21 00:44:09,865 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 00:44:09,979 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 00:44:09,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 00:44:10,147 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 00:44:10,148 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 00:44:10,324 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 00:44:10,325 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 00:44:10,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:44:10 BoogieIcfgContainer [2024-11-21 00:44:10,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 00:44:10,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 00:44:10,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 00:44:10,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 00:44:10,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:44:09" (1/3) ... [2024-11-21 00:44:10,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b221000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:44:10, skipping insertion in model container [2024-11-21 00:44:10,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:09" (2/3) ... [2024-11-21 00:44:10,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b221000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:44:10, skipping insertion in model container [2024-11-21 00:44:10,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:44:10" (3/3) ... [2024-11-21 00:44:10,340 INFO L128 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-11-21 00:44:10,358 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 00:44:10,361 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG read_write_lock-1.i that has 3 procedures, 27 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-21 00:44:10,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b221000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:44:10, skipping insertion in model container [2024-11-21 00:44:10,363 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 00:44:10,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 00:44:10,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 00:44:10,364 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 00:44:10,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:44:10" (3/3) ... [2024-11-21 00:44:10,368 INFO L144 WitnessPrinter]: Generating witness for correct program [2024-11-21 00:44:10,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-11-21 00:44:10,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-11-21 00:44:10,379 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-11-21 00:44:10,379 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-21 00:44:10,380 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-21 00:44:10,380 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-21 00:44:10,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/witness.graphml [2024-11-21 00:44:10,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/witness.yml [2024-11-21 00:44:10,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 00:44:10,482 INFO L158 Benchmark]: Toolchain (without parser) took 1426.63ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 62.3MB in the end (delta: 54.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-21 00:44:10,484 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:44:10,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.88ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 96.8MB in the end (delta: 19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 00:44:10,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.53ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 00:44:10,486 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:44:10,486 INFO L158 Benchmark]: RCFGBuilder took 541.06ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 69.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-21 00:44:10,486 INFO L158 Benchmark]: TraceAbstraction took 32.75ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:44:10,486 INFO L158 Benchmark]: Witness Printer took 115.40ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 62.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 00:44:10,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.88ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 96.8MB in the end (delta: 19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.53ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.05ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.06ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 69.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32.75ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.40ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 62.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. 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! [2024-11-21 00:44:10,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441672d-decb-470c-b3d0-fc8139088ca5/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE