./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/feedback_diverge.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/float-benchs/feedback_diverge.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 a6e296367f1fe3cf145b6868ec70c2d770b2281a31a9d7dcae84843c6ed48125 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:20:36,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:20:36,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:20:36,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:20:36,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:20:36,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:20:36,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:20:36,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:20:36,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:20:36,266 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:20:36,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:20:36,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:20:36,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:20:36,268 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:20:36,268 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:20:36,271 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:20:36,271 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:20:36,272 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:20:36,272 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:20:36,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:20:36,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:20:36,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:20:36,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:20:36,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:20:36,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:20:36,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:20:36,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:20:36,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:20:36,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:20:36,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:20:36,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:20:36,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:20:36,277 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:20:36,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:20:36,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:20:36,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:20:36,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:20:36,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:20:36,279 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:20:36,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e296367f1fe3cf145b6868ec70c2d770b2281a31a9d7dcae84843c6ed48125 [2024-11-12 21:20:36,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:20:36,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:20:36,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:20:36,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:20:36,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:20:36,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/feedback_diverge.c [2024-11-12 21:20:37,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:20:38,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:20:38,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/feedback_diverge.c [2024-11-12 21:20:38,155 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0885f71f2/96650403db1f4a6d9ed6d853da109f12/FLAG503ea8842 [2024-11-12 21:20:38,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0885f71f2/96650403db1f4a6d9ed6d853da109f12 [2024-11-12 21:20:38,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:20:38,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:20:38,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:20:38,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:20:38,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:20:38,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395d6bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38, skipping insertion in model container [2024-11-12 21:20:38,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:20:38,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:20:38,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:20:38,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:20:38,841 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:20:38,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38 WrapperNode [2024-11-12 21:20:38,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:20:38,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:20:38,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:20:38,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:20:38,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,897 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 48 [2024-11-12 21:20:38,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:20:38,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:20:38,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:20:38,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:20:38,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,925 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 21:20:38,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:20:38,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:20:38,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:20:38,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:20:38,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (1/1) ... [2024-11-12 21:20:38,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:20:38,967 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 21:20:38,970 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 21:20:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:20:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:20:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:20:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:20:39,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:20:39,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:20:39,176 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-12 21:20:39,176 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:20:39,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:20:39,187 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 21:20:39,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:20:39 BoogieIcfgContainer [2024-11-12 21:20:39,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:20:39,189 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:20:39,189 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:20:39,192 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:20:39,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:20:39,192 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:20:38" (1/3) ... [2024-11-12 21:20:39,193 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a4c654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:20:39, skipping insertion in model container [2024-11-12 21:20:39,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:20:39,194 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:20:38" (2/3) ... [2024-11-12 21:20:39,194 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a4c654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:20:39, skipping insertion in model container [2024-11-12 21:20:39,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:20:39,194 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:20:39" (3/3) ... [2024-11-12 21:20:39,195 INFO L332 chiAutomizerObserver]: Analyzing ICFG feedback_diverge.c [2024-11-12 21:20:39,241 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:20:39,242 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:20:39,242 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:20:39,242 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:20:39,242 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:20:39,242 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:20:39,242 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:20:39,242 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:20:39,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 21:20:39,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-12 21:20:39,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:20:39,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:20:39,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:20:39,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-12 21:20:39,262 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:20:39,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 21:20:39,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-12 21:20:39,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:20:39,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:20:39,264 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-12 21:20:39,264 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-12 21:20:39,269 INFO L747 eck$LassoCheckResult]: Stem: "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(19, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_~A~0#1, main_~B~0#1, main_~X~0#1, main_~i~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~X~0#1;havoc main_~i~0#1;main_~A~0#1 := 0.0;main_~B~0#1 := 0.0;main_~i~0#1 := 0;" [2024-11-12 21:20:39,270 INFO L749 eck$LassoCheckResult]: Loop: "assume !!(main_~i~0#1 < 3600000);havoc main_#t~nondet4#1;" "assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~X~0#1 := main_~B~0#1;" "main_~B~0#1 := ~someBinaryArithmeticFLOAToperation(main_~B~0#1, ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, main_~B~0#1), main_~A~0#1), main_~X~0#1), 0.005));main_~A~0#1 := main_~X~0#1;assume { :begin_inline_wait_for_clock } true;" "assume { :end_inline_wait_for_clock } true;" "main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2024-11-12 21:20:39,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:20:39,274 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-12 21:20:39,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:20:39,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815383478] [2024-11-12 21:20:39,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:20:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:20:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:20:39,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:20:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:20:39,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:20:39,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:20:39,409 INFO L85 PathProgramCache]: Analyzing trace with hash 38543661, now seen corresponding path program 1 times [2024-11-12 21:20:39,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:20:39,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098835077] [2024-11-12 21:20:39,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:20:39,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:20:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:20:39,422 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:20:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:20:39,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:20:39,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:20:39,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1809983147, now seen corresponding path program 1 times [2024-11-12 21:20:39,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:20:39,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9552733] [2024-11-12 21:20:39,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:20:39,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:20:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:20:39,445 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:20:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:20:39,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:20:39,525 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:20:39,526 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:20:39,526 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:20:39,526 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:20:39,526 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-12 21:20:39,526 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,526 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:20:39,526 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:20:39,526 INFO L132 ssoRankerPreferences]: Filename of dumped script: feedback_diverge.c_Iteration1_Loop [2024-11-12 21:20:39,526 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:20:39,527 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:20:39,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,607 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:20:39,607 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-12 21:20:39,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:20:39,611 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) [2024-11-12 21:20:39,612 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 [2024-11-12 21:20:39,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-12 21:20:39,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:20:39,638 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 [2024-11-12 21:20:39,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:20:39,640 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) [2024-11-12 21:20:39,641 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 [2024-11-12 21:20:39,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-12 21:20:39,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-12 21:20:39,683 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-12 21:20:39,687 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 [2024-11-12 21:20:39,688 INFO L204 LassoAnalysis]: Preferences: [2024-11-12 21:20:39,688 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-12 21:20:39,688 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-12 21:20:39,688 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-12 21:20:39,688 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-12 21:20:39,688 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,688 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-12 21:20:39,688 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-12 21:20:39,688 INFO L132 ssoRankerPreferences]: Filename of dumped script: feedback_diverge.c_Iteration1_Loop [2024-11-12 21:20:39,688 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-12 21:20:39,688 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-12 21:20:39,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-12 21:20:39,760 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-12 21:20:39,764 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-12 21:20:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:20:39,766 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) [2024-11-12 21:20:39,767 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 [2024-11-12 21:20:39,769 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 [2024-11-12 21:20:39,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:20:39,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:20:39,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:20:39,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:20:39,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:20:39,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:20:39,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:20:39,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-12 21:20:39,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-12 21:20:39,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:20:39,803 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) [2024-11-12 21:20:39,805 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 [2024-11-12 21:20:39,806 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 [2024-11-12 21:20:39,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-12 21:20:39,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-12 21:20:39,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-12 21:20:39,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-12 21:20:39,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-12 21:20:39,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-12 21:20:39,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-12 21:20:39,824 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-12 21:20:39,830 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-12 21:20:39,830 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-12 21:20:39,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:20:39,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:20:39,852 INFO L229 MonitoredProcess]: Starting monitored process 6 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 21:20:39,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-12 21:20:39,854 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-12 21:20:39,855 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-12 21:20:39,855 INFO L474 LassoAnalysis]: Proved termination. [2024-11-12 21:20:39,855 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7199999 Supporting invariants [] [2024-11-12 21:20:39,871 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 [2024-11-12 21:20:39,876 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-12 21:20:39,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:20:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:20:39,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:20:39,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:20:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:20:39,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 21:20:39,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:20:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 21:20:40,033 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-12 21:20:40,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 21:20:40,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 39 states and 51 transitions. Complement of second has 6 states. [2024-11-12 21:20:40,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-12 21:20:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 21:20:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2024-11-12 21:20:40,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-12 21:20:40,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:20:40,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-12 21:20:40,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:20:40,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-12 21:20:40,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-12 21:20:40,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 51 transitions. [2024-11-12 21:20:40,102 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:20:40,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2024-11-12 21:20:40,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-12 21:20:40,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-12 21:20:40,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-12 21:20:40,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:20:40,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:20:40,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:20:40,106 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 21:20:40,106 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:20:40,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-12 21:20:40,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-12 21:20:40,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-12 21:20:40,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:20:40 BoogieIcfgContainer [2024-11-12 21:20:40,114 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:20:40,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:20:40,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:20:40,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:20:40,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:20:39" (3/4) ... [2024-11-12 21:20:40,118 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 21:20:40,120 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:20:40,120 INFO L158 Benchmark]: Toolchain (without parser) took 1571.09ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 96.1MB in the end (delta: 24.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-12 21:20:40,121 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:20:40,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.62ms. Allocated memory is still 186.6MB. Free memory was 119.7MB in the beginning and 156.6MB in the end (delta: -36.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-12 21:20:40,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.25ms. Allocated memory is still 186.6MB. Free memory was 156.6MB in the beginning and 154.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:20:40,123 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 186.6MB. Free memory was 154.7MB in the beginning and 153.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:20:40,125 INFO L158 Benchmark]: RCFGBuilder took 250.95ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 143.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-12 21:20:40,125 INFO L158 Benchmark]: BuchiAutomizer took 925.40ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 96.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-12 21:20:40,126 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 186.6MB. Free memory was 96.9MB in the beginning and 96.1MB in the end (delta: 767.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:20:40,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.62ms. Allocated memory is still 186.6MB. Free memory was 119.7MB in the beginning and 156.6MB in the end (delta: -36.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.25ms. Allocated memory is still 186.6MB. Free memory was 156.6MB in the beginning and 154.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 186.6MB. Free memory was 154.7MB in the beginning and 153.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.95ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 143.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 925.40ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 96.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 186.6MB. Free memory was 96.9MB in the beginning and 96.1MB in the end (delta: 767.1kB). Peak memory consumption was 2.1MB. 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 * i) + 7199999) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 0 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! [2024-11-12 21:20:40,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-12 21:20:40,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE