./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/afnp2014.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f 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/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/afnp2014.i -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 9b126c2e4179fcd1dca44e04eae9f0721983a9a06894cd5f31aebfbdbef2948a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:37:50,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:37:50,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:37:50,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:37:50,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:37:50,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:37:50,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:37:50,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:37:50,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:37:50,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:37:50,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:37:50,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:37:50,645 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:37:50,646 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:37:50,648 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:37:50,648 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:37:50,648 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:37:50,649 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:37:50,649 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:37:50,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:37:50,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:37:50,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:37:50,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:37:50,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:37:50,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:37:50,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:37:50,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:37:50,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:37:50,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:37:50,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:37:50,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:37:50,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:37:50,655 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:37:50,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:37:50,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:37:50,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:37:50,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:37:50,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:37:50,657 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:37:50,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b126c2e4179fcd1dca44e04eae9f0721983a9a06894cd5f31aebfbdbef2948a [2024-11-23 02:37:50,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:37:50,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:37:50,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:37:50,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:37:50,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:37:50,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/afnp2014.i [2024-11-23 02:37:52,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:37:52,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:37:52,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/afnp2014.i [2024-11-23 02:37:52,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4284181c1/ebfdf95d585448bbaa28e94503e3854f/FLAG137e3b47e [2024-11-23 02:37:52,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4284181c1/ebfdf95d585448bbaa28e94503e3854f [2024-11-23 02:37:52,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:37:52,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:37:52,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:37:52,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:37:52,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:37:52,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719aff43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52, skipping insertion in model container [2024-11-23 02:37:52,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:37:52,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:37:52,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:37:52,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:37:52,898 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:37:52,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52 WrapperNode [2024-11-23 02:37:52,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:37:52,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:37:52,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:37:52,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:37:52,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,930 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2024-11-23 02:37:52,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:37:52,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:37:52,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:37:52,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:37:52,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,953 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]. [2024-11-23 02:37:52,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:37:52,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:37:52,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:37:52,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:37:52,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (1/1) ... [2024-11-23 02:37:52,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:37:53,005 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) [2024-11-23 02:37:53,010 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 [2024-11-23 02:37:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:37:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:37:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:37:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:37:53,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:37:53,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:37:53,320 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 02:37:53,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:37:53,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:37:53,332 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 02:37:53,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:53 BoogieIcfgContainer [2024-11-23 02:37:53,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:37:53,333 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:37:53,333 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:37:53,337 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:37:53,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:37:53,339 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:37:52" (1/3) ... [2024-11-23 02:37:53,340 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c679988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:37:53, skipping insertion in model container [2024-11-23 02:37:53,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:37:53,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:52" (2/3) ... [2024-11-23 02:37:53,341 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c679988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:37:53, skipping insertion in model container [2024-11-23 02:37:53,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:37:53,341 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:53" (3/3) ... [2024-11-23 02:37:53,342 INFO L332 chiAutomizerObserver]: Analyzing ICFG afnp2014.i [2024-11-23 02:37:53,399 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:37:53,399 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:37:53,399 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:37:53,399 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:37:53,399 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:37:53,399 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:37:53,400 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:37:53,400 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:37:53,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-23 02:37:53,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-23 02:37:53,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:37:53,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:37:53,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:37:53,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-23 02:37:53,429 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:37:53,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-23 02:37:53,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-23 02:37:53,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:37:53,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:37:53,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:37:53,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-23 02:37:53,438 INFO L745 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~short2#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := 1;main_~y~0#1 := 0; 13#L27-5true [2024-11-23 02:37:53,438 INFO L747 eck$LassoCheckResult]: Loop: 13#L27-5true main_#t~short2#1 := main_~y~0#1 < 1000; 11#L27-1true assume main_#t~short2#1;havoc main_#t~nondet1#1;main_#t~short2#1 := 0 != main_#t~nondet1#1; 10#L27-3true assume !!main_#t~short2#1;havoc main_#t~nondet1#1;havoc main_#t~short2#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 13#L27-5true [2024-11-23 02:37:53,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:37:53,444 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:37:53,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:37:53,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568306021] [2024-11-23 02:37:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:37:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:37:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:37:53,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:37:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:37:53,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:37:53,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:37:53,554 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2024-11-23 02:37:53,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:37:53,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256309787] [2024-11-23 02:37:53,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:37:53,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:37:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:37:53,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:37:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:37:53,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:37:53,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:37:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2024-11-23 02:37:53,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:37:53,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702205907] [2024-11-23 02:37:53,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:37:53,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:37:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:37:53,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:37:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:37:53,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:37:53,735 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:37:53,736 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:37:53,736 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:37:53,736 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:37:53,736 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 02:37:53,736 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:53,736 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:37:53,737 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:37:53,737 INFO L132 ssoRankerPreferences]: Filename of dumped script: afnp2014.i_Iteration1_Loop [2024-11-23 02:37:53,737 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:37:53,737 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:37:53,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:37:53,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:37:53,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:37:53,814 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:37:53,815 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 02:37:53,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:53,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:37:53,822 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-11-23 02:37:53,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 02:37:53,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 02:37:53,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:37:53,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 02:37:53,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:37:53,857 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-23 02:37:53,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 02:37:53,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 02:37:53,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 02:37:53,898 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 02:37:53,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 02:37:53,905 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:37:53,905 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:37:53,905 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:37:53,905 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:37:53,905 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:37:53,905 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:53,906 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:37:53,906 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:37:53,906 INFO L132 ssoRankerPreferences]: Filename of dumped script: afnp2014.i_Iteration1_Loop [2024-11-23 02:37:53,906 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:37:53,906 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:37:53,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:37:53,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:37:53,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:37:53,975 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:37:53,979 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:37:53,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:37:53,983 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-23 02:37:53,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 02:37:53,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:37:53,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:37:53,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:37:53,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:37:53,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:37:53,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:37:54,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:37:54,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:37:54,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:37:54,011 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 02:37:54,012 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-23 02:37:54,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:37:54,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:37:54,031 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-23 02:37:54,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 02:37:54,035 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:37:54,035 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 02:37:54,036 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:37:54,036 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 1999 Supporting invariants [] [2024-11-23 02:37:54,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-23 02:37:54,047 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 02:37:54,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:37:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:37:54,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:37:54,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:37:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:37:54,107 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 02:37:54,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:37:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:37:54,233 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-23 02:37:54,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-23 02:37:54,313 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Result 31 states and 39 transitions. Complement of second has 10 states. [2024-11-23 02:37:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 02:37:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-23 02:37:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2024-11-23 02:37:54,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-23 02:37:54,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:37:54,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-23 02:37:54,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:37:54,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-23 02:37:54,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:37:54,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2024-11-23 02:37:54,326 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:37:54,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2024-11-23 02:37:54,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 02:37:54,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 02:37:54,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 02:37:54,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:37:54,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:37:54,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:37:54,329 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 02:37:54,329 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:37:54,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 02:37:54,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 02:37:54,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 02:37:54,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:37:54 BoogieIcfgContainer [2024-11-23 02:37:54,335 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:37:54,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:37:54,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:37:54,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:37:54,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:53" (3/4) ... [2024-11-23 02:37:54,338 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 02:37:54,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:37:54,340 INFO L158 Benchmark]: Toolchain (without parser) took 1715.16ms. Allocated memory is still 184.5MB. Free memory was 115.6MB in the beginning and 103.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-23 02:37:54,341 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:37:54,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.97ms. Allocated memory is still 184.5MB. Free memory was 115.4MB in the beginning and 103.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-23 02:37:54,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 184.5MB. Free memory was 103.3MB in the beginning and 101.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:37:54,342 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 184.5MB. Free memory was 101.8MB in the beginning and 100.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:37:54,342 INFO L158 Benchmark]: RCFGBuilder took 366.45ms. Allocated memory is still 184.5MB. Free memory was 100.2MB in the beginning and 154.0MB in the end (delta: -53.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-23 02:37:54,343 INFO L158 Benchmark]: BuchiAutomizer took 1001.96ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 104.0MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-23 02:37:54,343 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 184.5MB. Free memory was 104.0MB in the beginning and 103.7MB in the end (delta: 278.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:37:54,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.97ms. Allocated memory is still 184.5MB. Free memory was 115.4MB in the beginning and 103.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 184.5MB. Free memory was 103.3MB in the beginning and 101.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 184.5MB. Free memory was 101.8MB in the beginning and 100.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.45ms. Allocated memory is still 184.5MB. Free memory was 100.2MB in the beginning and 154.0MB in the end (delta: -53.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1001.96ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 104.0MB in the end (delta: 49.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 184.5MB. Free memory was 104.0MB in the beginning and 103.7MB in the end (delta: 278.5kB). 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * y) + 1999) and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 3 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 55ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2024-11-23 02:37:54,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:37:54,572 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