./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-atomic/dekker-unfair.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/pthread-atomic/dekker-unfair.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 5850bf916a69badaacd3ff4150d219aedc42421ae90c33080aafb727bc040d43 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:27:41,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:27:41,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:27:41,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:27:41,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:27:41,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:27:41,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:27:41,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:27:41,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:27:41,772 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:27:41,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:27:41,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:27:41,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:27:41,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:27:41,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:27:41,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:27:41,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:27:41,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:27:41,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:27:41,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:27:41,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:27:41,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:27:41,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:27:41,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:27:41,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:27:41,783 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:27:41,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:27:41,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:27:41,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:27:41,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:27:41,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:27:41,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:27:41,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:27:41,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:27:41,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:27:41,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:27:41,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:27:41,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:27:41,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:27:41,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:27:41,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:27:41,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:27:41,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:27:41,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:27:41,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5850bf916a69badaacd3ff4150d219aedc42421ae90c33080aafb727bc040d43 [2024-11-12 20:27:42,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:27:42,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:27:42,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:27:42,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:27:42,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:27:42,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker-unfair.i [2024-11-12 20:27:43,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:27:43,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:27:43,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker-unfair.i [2024-11-12 20:27:43,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da561c399/5197e87234ea49d993791ced34f4efeb/FLAG38ea72cba [2024-11-12 20:27:44,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da561c399/5197e87234ea49d993791ced34f4efeb [2024-11-12 20:27:44,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:27:44,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:27:44,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:27:44,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:27:44,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:27:44,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5009baee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44, skipping insertion in model container [2024-11-12 20:27:44,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:27:44,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:27:44,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:27:44,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:27:44,683 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:27:44,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44 WrapperNode [2024-11-12 20:27:44,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:27:44,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:27:44,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:27:44,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:27:44,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,725 INFO L138 Inliner]: procedures = 167, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2024-11-12 20:27:44,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:27:44,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:27:44,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:27:44,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:27:44,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,749 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]. [2024-11-12 20:27:44,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:27:44,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:27:44,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:27:44,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:27:44,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (1/1) ... [2024-11-12 20:27:44,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:27:44,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:27:44,800 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) [2024-11-12 20:27:44,803 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 [2024-11-12 20:27:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-12 20:27:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-12 20:27:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-12 20:27:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-12 20:27:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:27:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:27:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:27:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:27:44,867 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 20:27:45,001 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:27:45,004 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:27:45,128 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 20:27:45,129 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:27:45,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:27:45,219 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 20:27:45,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:27:45 BoogieIcfgContainer [2024-11-12 20:27:45,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:27:45,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:27:45,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:27:45,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:27:45,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:27:44" (1/3) ... [2024-11-12 20:27:45,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4812b000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:27:45, skipping insertion in model container [2024-11-12 20:27:45,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:27:44" (2/3) ... [2024-11-12 20:27:45,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4812b000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:27:45, skipping insertion in model container [2024-11-12 20:27:45,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:27:45" (3/3) ... [2024-11-12 20:27:45,232 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker-unfair.i [2024-11-12 20:27:45,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:27:45,251 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-12 20:27:45,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4812b000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 08:27:45, skipping insertion in model container [2024-11-12 20:27:45,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 20:27:45,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 20:27:45,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 20:27:45,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 20:27:45,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:27:45" (3/3) ... [2024-11-12 20:27:45,257 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 20:27:45,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-12 20:27:45,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-12 20:27:45,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-12 20:27:45,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-12 20:27:45,269 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 20:27:45,269 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 20:27:45,351 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 20:27:45,352 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 20:27:45,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 20:27:45,355 INFO L158 Benchmark]: Toolchain (without parser) took 1220.14ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 115.1MB in the end (delta: -2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:27:45,358 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 169.9MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 20:27:45,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.53ms. Allocated memory is still 169.9MB. Free memory was 112.1MB in the beginning and 89.8MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 20:27:45,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.90ms. Allocated memory is still 169.9MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:27:45,359 INFO L158 Benchmark]: Boogie Preprocessor took 39.77ms. Allocated memory is still 169.9MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:27:45,359 INFO L158 Benchmark]: RCFGBuilder took 452.38ms. Allocated memory is still 169.9MB. Free memory was 85.6MB in the beginning and 122.3MB in the end (delta: -36.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-12 20:27:45,360 INFO L158 Benchmark]: TraceAbstraction took 31.05ms. Allocated memory is still 169.9MB. Free memory was 121.4MB in the beginning and 119.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 20:27:45,360 INFO L158 Benchmark]: Witness Printer took 99.40ms. Allocated memory is still 169.9MB. Free memory was 119.2MB in the beginning and 115.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 20:27:45,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 169.9MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.53ms. Allocated memory is still 169.9MB. Free memory was 112.1MB in the beginning and 89.8MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.90ms. Allocated memory is still 169.9MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.77ms. Allocated memory is still 169.9MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.38ms. Allocated memory is still 169.9MB. Free memory was 85.6MB in the beginning and 122.3MB in the end (delta: -36.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31.05ms. Allocated memory is still 169.9MB. Free memory was 121.4MB in the beginning and 119.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 99.40ms. Allocated memory is still 169.9MB. Free memory was 119.2MB in the beginning and 115.1MB in the end (delta: 4.1MB). 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! [2024-11-12 20:27:45,396 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