./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 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 17:04:39,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 17:04:40,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-10-26 17:04:40,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 17:04:40,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 17:04:40,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 17:04:40,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 17:04:40,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 17:04:40,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 17:04:40,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 17:04:40,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 17:04:40,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 17:04:40,074 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 17:04:40,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 17:04:40,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 17:04:40,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 17:04:40,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 17:04:40,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 17:04:40,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 17:04:40,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 17:04:40,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 17:04:40,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 17:04:40,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 17:04:40,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-26 17:04:40,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 17:04:40,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 17:04:40,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 17:04:40,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 17:04:40,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 17:04:40,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 17:04:40,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 17:04:40,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 17:04:40,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 17:04:40,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 17:04:40,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 17:04:40,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 17:04:40,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 17:04:40,087 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-26 17:04:40,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 17:04:40,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 17:04:40,087 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 17:04:40,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 17:04:40,088 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 17:04:40,088 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 17:04:40,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 530cbf448b6cf17c0bca095a1467011270d511aa4e4e955e07dc3df8c3dfe236 [2024-10-26 17:04:40,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 17:04:40,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 17:04:40,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 17:04:40,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 17:04:40,372 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 17:04:40,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-10-26 17:04:41,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 17:04:42,075 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 17:04:42,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2024-10-26 17:04:42,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a6eb98056/ddcad3cbed504ff58464046d8c1bf398/FLAG6bb036784 [2024-10-26 17:04:42,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a6eb98056/ddcad3cbed504ff58464046d8c1bf398 [2024-10-26 17:04:42,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 17:04:42,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 17:04:42,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 17:04:42,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 17:04:42,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 17:04:42,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f6a782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42, skipping insertion in model container [2024-10-26 17:04:42,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 17:04:42,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 17:04:42,481 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 17:04:42,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 17:04:42,587 INFO L204 MainTranslator]: Completed translation [2024-10-26 17:04:42,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42 WrapperNode [2024-10-26 17:04:42,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 17:04:42,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 17:04:42,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 17:04:42,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 17:04:42,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,633 INFO L138 Inliner]: procedures = 165, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-10-26 17:04:42,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 17:04:42,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 17:04:42,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 17:04:42,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 17:04:42,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 17:04:42,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 17:04:42,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 17:04:42,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 17:04:42,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (1/1) ... [2024-10-26 17:04:42,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 17:04:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 17:04:42,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-26 17:04:42,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-26 17:04:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2024-10-26 17:04:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-26 17:04:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-26 17:04:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2024-10-26 17:04:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-26 17:04:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 17:04:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2024-10-26 17:04:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-26 17:04:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-26 17:04:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 17:04:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 17:04:42,768 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 17:04:42,913 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 17:04:42,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 17:04:43,072 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 17:04:43,072 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 17:04:43,208 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-26 17:04:43,213 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-26 17:04:43,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:04:43 BoogieIcfgContainer [2024-10-26 17:04:43,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-26 17:04:43,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-26 17:04:43,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-26 17:04:43,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-26 17:04:43,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 05:04:42" (1/3) ... [2024-10-26 17:04:43,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6deb3ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 05:04:43, skipping insertion in model container [2024-10-26 17:04:43,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:04:42" (2/3) ... [2024-10-26 17:04:43,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6deb3ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 05:04:43, skipping insertion in model container [2024-10-26 17:04:43,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:04:43" (3/3) ... [2024-10-26 17:04:43,221 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-10-26 17:04:43,252 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-26 17:04:43,252 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-26 17:04:43,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6deb3ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 05:04:43, skipping insertion in model container [2024-10-26 17:04:43,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-26 17:04:43,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-26 17:04:43,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-26 17:04:43,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-26 17:04:43,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:04:43" (3/3) ... [2024-10-26 17:04:43,257 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-26 17:04:43,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-26 17:04:43,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-10-26 17:04:43,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-26 17:04:43,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-26 17:04:43,264 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-26 17:04:43,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-26 17:04:43,363 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-26 17:04:43,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-26 17:04:43,365 INFO L158 Benchmark]: Toolchain (without parser) took 1256.19ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 118.9MB in the beginning and 194.4MB in the end (delta: -75.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 17:04:43,365 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 176.2MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 17:04:43,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.90ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 97.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-26 17:04:43,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.71ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 95.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 17:04:43,370 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 176.2MB. Free memory was 94.9MB in the beginning and 93.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-26 17:04:43,370 INFO L158 Benchmark]: RCFGBuilder took 547.20ms. Allocated memory is still 176.2MB. Free memory was 93.4MB in the beginning and 67.6MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-26 17:04:43,371 INFO L158 Benchmark]: TraceAbstraction took 38.58ms. Allocated memory is still 176.2MB. Free memory was 66.9MB in the beginning and 143.8MB in the end (delta: -76.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-26 17:04:43,371 INFO L158 Benchmark]: Witness Printer took 108.77ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 143.8MB in the beginning and 194.4MB in the end (delta: -50.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-26 17:04:43,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 176.2MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.90ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 97.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.71ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 95.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 176.2MB. Free memory was 94.9MB in the beginning and 93.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 547.20ms. Allocated memory is still 176.2MB. Free memory was 93.4MB in the beginning and 67.6MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 38.58ms. Allocated memory is still 176.2MB. Free memory was 66.9MB in the beginning and 143.8MB in the end (delta: -76.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 108.77ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 143.8MB in the beginning and 194.4MB in the end (delta: -50.6MB). Peak memory consumption was 7.7MB. 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! [2024-10-26 17:04:43,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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