./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:31:48,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:31:48,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:31:48,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:31:48,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:31:48,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:31:48,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:31:48,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:31:48,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:31:48,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:31:48,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:31:48,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:31:48,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:31:48,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:31:48,155 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:31:48,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:31:48,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:31:48,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:31:48,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:31:48,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:31:48,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:31:48,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:31:48,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:31:48,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:31:48,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:31:48,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:31:48,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:31:48,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:31:48,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:31:48,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:31:48,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:31:48,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:31:48,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:31:48,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:31:48,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:31:48,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:31:48,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:31:48,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:31:48,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:31:48,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:31:48,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:31:48,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:31:48,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:31:48,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:31:48,165 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f [2024-10-13 16:31:48,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:31:48,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:31:48,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:31:48,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:31:48,433 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:31:48,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2024-10-13 16:31:50,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:31:50,288 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:31:50,288 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2024-10-13 16:31:50,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cded8b581/073c9247539d4ad2bd989af6c284d602/FLAG8b6efe2af [2024-10-13 16:31:50,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cded8b581/073c9247539d4ad2bd989af6c284d602 [2024-10-13 16:31:50,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:31:50,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:31:50,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:31:50,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:31:50,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:31:50,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58913cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50, skipping insertion in model container [2024-10-13 16:31:50,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:31:50,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:31:50,748 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:31:50,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:31:50,850 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:31:50,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50 WrapperNode [2024-10-13 16:31:50,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:31:50,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:31:50,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:31:50,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:31:50,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,903 INFO L138 Inliner]: procedures = 170, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2024-10-13 16:31:50,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:31:50,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:31:50,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:31:50,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:31:50,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,950 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 16:31:50,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:31:50,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:31:50,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:31:50,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:31:50,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (1/1) ... [2024-10-13 16:31:50,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:31:50,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:31:51,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:31:51,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:31:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-13 16:31:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-13 16:31:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-13 16:31:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-13 16:31:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:31:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:31:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:31:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:31:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:31:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:31:51,058 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:31:51,167 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:31:51,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:31:51,381 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:31:51,381 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:31:51,472 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:31:51,472 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-13 16:31:51,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:31:51 BoogieIcfgContainer [2024-10-13 16:31:51,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:31:51,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:31:51,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:31:51,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:31:51,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:31:50" (1/3) ... [2024-10-13 16:31:51,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76016e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:31:51, skipping insertion in model container [2024-10-13 16:31:51,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:31:50" (2/3) ... [2024-10-13 16:31:51,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76016e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:31:51, skipping insertion in model container [2024-10-13 16:31:51,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:31:51" (3/3) ... [2024-10-13 16:31:51,486 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2024-10-13 16:31:51,504 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:31:51,505 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-13 16:31:51,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76016e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:31:51, skipping insertion in model container [2024-10-13 16:31:51,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:31:51,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:31:51,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:31:51,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:31:51,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:31:51" (3/3) ... [2024-10-13 16:31:51,512 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:31:51,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-10-13 16:31:51,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-13 16:31:51,520 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-10-13 16:31:51,520 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-13 16:31:51,520 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 16:31:51,521 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 16:31:51,607 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:31:51,607 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:31:51,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:31:51,609 INFO L158 Benchmark]: Toolchain (without parser) took 1279.57ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 98.3MB in the beginning and 144.0MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:31:51,610 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 109.5MB in the end (delta: 242.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:31:51,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.54ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 76.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 16:31:51,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.17ms. Allocated memory is still 148.9MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:31:51,611 INFO L158 Benchmark]: Boogie Preprocessor took 66.52ms. Allocated memory is still 148.9MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:31:51,612 INFO L158 Benchmark]: RCFGBuilder took 501.44ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 72.2MB in the beginning and 151.4MB in the end (delta: -79.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-10-13 16:31:51,616 INFO L158 Benchmark]: TraceAbstraction took 33.33ms. Allocated memory is still 188.7MB. Free memory was 150.3MB in the beginning and 148.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:31:51,617 INFO L158 Benchmark]: Witness Printer took 98.89ms. Allocated memory is still 188.7MB. Free memory was 148.2MB in the beginning and 144.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:31:51,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 109.5MB in the end (delta: 242.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.54ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 76.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.17ms. Allocated memory is still 148.9MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.52ms. Allocated memory is still 148.9MB. Free memory was 74.4MB in the beginning and 72.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.44ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 72.2MB in the beginning and 151.4MB in the end (delta: -79.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 33.33ms. Allocated memory is still 188.7MB. Free memory was 150.3MB in the beginning and 148.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 98.89ms. Allocated memory is still 188.7MB. Free memory was 148.2MB in the beginning and 144.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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! [2024-10-13 16:31:51,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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