./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/test18.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0feebd8a64fe0b15b88b38240b283856fce37415e61ae67dd5b1ceb66f5c5fbc --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:21:21,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:21:21,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:21:21,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:21:21,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:21:21,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:21:21,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:21:21,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:21:21,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:21:21,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:21:21,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:21:21,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:21:21,848 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:21:21,850 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:21:21,850 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:21:21,850 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:21:21,850 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:21:21,850 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:21:21,853 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:21:21,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:21:21,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:21:21,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:21:21,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:21:21,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:21:21,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:21:21,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:21:21,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:21:21,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:21:21,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:21:21,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:21:21,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:21:21,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:21:21,856 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:21:21,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:21:21,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:21:21,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:21:21,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:21:21,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:21:21,857 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:21:21,857 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0feebd8a64fe0b15b88b38240b283856fce37415e61ae67dd5b1ceb66f5c5fbc [2024-11-12 21:21:22,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:21:22,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:21:22,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:21:22,083 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:21:22,084 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:21:22,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test18.c [2024-11-12 21:21:23,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:21:23,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:21:23,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test18.c [2024-11-12 21:21:23,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89fea8d60/66cf454ff066436ea9943a609b4713b3/FLAGacc7ad8d2 [2024-11-12 21:21:23,867 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89fea8d60/66cf454ff066436ea9943a609b4713b3 [2024-11-12 21:21:23,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:21:23,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:21:23,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:21:23,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:21:23,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:21:23,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:21:23" (1/1) ... [2024-11-12 21:21:23,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c74878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:23, skipping insertion in model container [2024-11-12 21:21:23,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:21:23" (1/1) ... [2024-11-12 21:21:23,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:21:24,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:21:24,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:21:24,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:21:24,087 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:21:24,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24 WrapperNode [2024-11-12 21:21:24,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:21:24,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:21:24,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:21:24,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:21:24,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,128 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2024-11-12 21:21:24,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:21:24,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:21:24,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:21:24,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:21:24,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,150 INFO L175 MemorySlicer]: Split 9 memory accesses to 4 slices as follows [2, 2, 3, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2024-11-12 21:21:24,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:21:24,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:21:24,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:21:24,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:21:24,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (1/1) ... [2024-11-12 21:21:24,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:21:24,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:21:24,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-12 21:21:24,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-12 21:21:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 21:21:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 21:21:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 21:21:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 21:21:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 21:21:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 21:21:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 21:21:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:21:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 21:21:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 21:21:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 21:21:24,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:21:24,332 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:21:24,443 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-12 21:21:24,445 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:21:24,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:21:24,456 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 21:21:24,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:21:24 BoogieIcfgContainer [2024-11-12 21:21:24,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:21:24,457 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:21:24,457 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:21:24,460 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:21:24,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:21:24,460 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:21:23" (1/3) ... [2024-11-12 21:21:24,461 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5102f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:21:24, skipping insertion in model container [2024-11-12 21:21:24,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:21:24,461 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:21:24" (2/3) ... [2024-11-12 21:21:24,461 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5102f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:21:24, skipping insertion in model container [2024-11-12 21:21:24,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:21:24,461 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:21:24" (3/3) ... [2024-11-12 21:21:24,462 INFO L332 chiAutomizerObserver]: Analyzing ICFG test18.c [2024-11-12 21:21:24,498 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:21:24,498 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:21:24,498 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:21:24,498 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:21:24,498 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:21:24,498 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:21:24,498 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:21:24,498 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:21:24,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 21:21:24,511 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:21:24,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 21:21:24,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:21:24 BoogieIcfgContainer [2024-11-12 21:21:24,514 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:21:24,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:21:24,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:21:24,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:21:24,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:21:24" (3/4) ... [2024-11-12 21:21:24,517 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 21:21:24,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:21:24,519 INFO L158 Benchmark]: Toolchain (without parser) took 647.73ms. Allocated memory is still 176.2MB. Free memory was 108.8MB in the beginning and 124.3MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:21:24,519 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:21:24,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.02ms. Allocated memory is still 176.2MB. Free memory was 108.7MB in the beginning and 147.7MB in the end (delta: -39.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-12 21:21:24,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.04ms. Allocated memory is still 176.2MB. Free memory was 147.7MB in the beginning and 146.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:21:24,520 INFO L158 Benchmark]: Boogie Preprocessor took 40.06ms. Allocated memory is still 176.2MB. Free memory was 146.3MB in the beginning and 143.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:21:24,521 INFO L158 Benchmark]: RCFGBuilder took 286.58ms. Allocated memory is still 176.2MB. Free memory was 143.7MB in the beginning and 130.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 21:21:24,521 INFO L158 Benchmark]: BuchiAutomizer took 57.82ms. Allocated memory is still 176.2MB. Free memory was 130.0MB in the beginning and 124.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 21:21:24,521 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 124.3MB in the end (delta: 504.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:21:24,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.02ms. Allocated memory is still 176.2MB. Free memory was 108.7MB in the beginning and 147.7MB in the end (delta: -39.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.04ms. Allocated memory is still 176.2MB. Free memory was 147.7MB in the beginning and 146.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.06ms. Allocated memory is still 176.2MB. Free memory was 146.3MB in the beginning and 143.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.58ms. Allocated memory is still 176.2MB. Free memory was 143.7MB in the beginning and 130.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 57.82ms. Allocated memory is still 176.2MB. Free memory was 130.0MB in the beginning and 124.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 124.3MB in the end (delta: 504.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-12 21:21:24,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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