./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/float-benchs/Muller_Kahan.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/float-benchs/Muller_Kahan.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:28:41,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:28:41,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:28:41,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:28:41,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:28:41,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:28:41,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:28:41,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:28:41,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:28:41,291 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:28:41,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:28:41,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:28:41,292 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:28:41,292 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:28:41,292 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:28:41,292 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:28:41,292 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:28:41,292 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:28:41,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:28:41,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:28:41,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:28:41,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:28:41,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:28:41,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:28:41,295 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:28:41,295 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> 61ce2c272542663cace3442e405f7ab093d2a72e636da199b8b44596c79af6c9 [2025-01-10 07:28:41,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:28:41,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:28:41,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:28:41,555 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:28:41,555 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:28:41,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Muller_Kahan.c [2025-01-10 07:28:42,739 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/985983964/73895679e0d641498e30bf1a8996fadf/FLAG9c9fee032 [2025-01-10 07:28:43,011 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:28:43,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/Muller_Kahan.c [2025-01-10 07:28:43,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/985983964/73895679e0d641498e30bf1a8996fadf/FLAG9c9fee032 [2025-01-10 07:28:43,029 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/985983964/73895679e0d641498e30bf1a8996fadf [2025-01-10 07:28:43,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:28:43,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:28:43,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:28:43,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:28:43,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:28:43,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fab4346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43, skipping insertion in model container [2025-01-10 07:28:43,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:28:43,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:28:43,137 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:28:43,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:28:43,152 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:28:43,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43 WrapperNode [2025-01-10 07:28:43,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:28:43,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:28:43,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:28:43,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:28:43,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,168 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2025-01-10 07:28:43,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:28:43,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:28:43,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:28:43,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:28:43,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,178 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]. [2025-01-10 07:28:43,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:28:43,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:28:43,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:28:43,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:28:43,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (1/1) ... [2025-01-10 07:28:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:28:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:28:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:28:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:28:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:28:43,254 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:28:43,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:28:43,299 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-10 07:28:43,300 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:28:43,304 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:28:43,304 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 07:28:43,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:28:43 BoogieIcfgContainer [2025-01-10 07:28:43,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:28:43,305 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:28:43,306 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:28:43,309 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:28:43,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:28:43,309 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:28:43" (1/3) ... [2025-01-10 07:28:43,310 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7619426b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:28:43, skipping insertion in model container [2025-01-10 07:28:43,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:28:43,310 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:28:43" (2/3) ... [2025-01-10 07:28:43,310 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7619426b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:28:43, skipping insertion in model container [2025-01-10 07:28:43,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:28:43,311 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:28:43" (3/3) ... [2025-01-10 07:28:43,311 INFO L363 chiAutomizerObserver]: Analyzing ICFG Muller_Kahan.c [2025-01-10 07:28:43,339 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:28:43,340 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:28:43,340 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:28:43,340 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:28:43,340 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:28:43,340 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:28:43,340 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:28:43,340 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:28:43,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2025-01-10 07:28:43,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-01-10 07:28:43,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:28:43,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:28:43,355 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:28:43,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-01-10 07:28:43,356 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:28:43,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2025-01-10 07:28:43,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2025-01-10 07:28:43,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:28:43,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:28:43,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-01-10 07:28:43,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2025-01-10 07:28:43,361 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_~x0~0#1, main_~x1~0#1, main_~x2~0#1, main_~i~0#1;havoc main_~x0~0#1;havoc main_~x1~0#1;havoc main_~x2~0#1;havoc main_~i~0#1;main_~x0~0#1 := ~someBinaryArithmeticDOUBLEoperation(11.0, 2.0);main_~x1~0#1 := ~someBinaryArithmeticDOUBLEoperation(61.0, 11.0);main_~i~0#1 := 0;" [2025-01-10 07:28:43,362 INFO L754 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < 100;main_~x2~0#1 := ~someBinaryArithmeticDOUBLEoperation(111.0, ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(1130.0, ~someBinaryArithmeticDOUBLEoperation(3000.0, main_~x0~0#1)), main_~x1~0#1));main_~x0~0#1 := main_~x1~0#1;main_~x1~0#1 := main_~x2~0#1;main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;" [2025-01-10 07:28:43,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:43,365 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2025-01-10 07:28:43,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:43,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203927080] [2025-01-10 07:28:43,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:43,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:43,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:28:43,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:28:43,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:43,417 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:43,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:28:43,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:28:43,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:43,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:43,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:43,438 INFO L85 PathProgramCache]: Analyzing trace with hash 37, now seen corresponding path program 1 times [2025-01-10 07:28:43,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:43,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189823709] [2025-01-10 07:28:43,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:43,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:43,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:28:43,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:28:43,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:43,446 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:43,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:28:43,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:28:43,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:43,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:43,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:43,450 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-10 07:28:43,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:28:43,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386238339] [2025-01-10 07:28:43,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:28:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:28:43,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:28:43,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:28:43,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:43,457 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:28:43,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 07:28:43,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 07:28:43,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:28:43,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:28:43,504 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:28:43,505 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:28:43,505 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:28:43,505 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:28:43,505 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-01-10 07:28:43,505 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,505 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:28:43,505 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:28:43,505 INFO L132 ssoRankerPreferences]: Filename of dumped script: Muller_Kahan.c_Iteration1_Loop [2025-01-10 07:28:43,505 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:28:43,505 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:28:43,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:43,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:43,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:43,552 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:28:43,553 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-01-10 07:28:43,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-01-10 07:28:43,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:28:43,581 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:28:43,581 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x1~0#1=0} Honda state: {ULTIMATE.start_main_~x1~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:28:43,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-01-10 07:28:43,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-01-10 07:28:43,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:28:43,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:28:43,604 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-01-10 07:28:43,605 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-01-10 07:28:43,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-01-10 07:28:43,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-01-10 07:28:43,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-01-10 07:28:43,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:28:43,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2025-01-10 07:28:43,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-01-10 07:28:43,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-01-10 07:28:43,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-01-10 07:28:43,665 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-01-10 07:28:43,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-01-10 07:28:43,673 INFO L204 LassoAnalysis]: Preferences: [2025-01-10 07:28:43,673 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-01-10 07:28:43,673 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-01-10 07:28:43,673 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-01-10 07:28:43,673 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-01-10 07:28:43,673 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,673 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-01-10 07:28:43,673 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-01-10 07:28:43,673 INFO L132 ssoRankerPreferences]: Filename of dumped script: Muller_Kahan.c_Iteration1_Loop [2025-01-10 07:28:43,673 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-01-10 07:28:43,674 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-01-10 07:28:43,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:43,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:43,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-01-10 07:28:43,708 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-01-10 07:28:43,711 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-01-10 07:28:43,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-01-10 07:28:43,721 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 [2025-01-10 07:28:43,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:28:43,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:28:43,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:28:43,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:28:43,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:28:43,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:28:43,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:28:43,742 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-01-10 07:28:43,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-01-10 07:28:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-01-10 07:28:43,758 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 [2025-01-10 07:28:43,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-01-10 07:28:43,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-01-10 07:28:43,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-01-10 07:28:43,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-01-10 07:28:43,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-01-10 07:28:43,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-01-10 07:28:43,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-01-10 07:28:43,774 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-01-10 07:28:43,777 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-01-10 07:28:43,779 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-01-10 07:28:43,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:28:43,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:28:43,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:28:43,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-01-10 07:28:43,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-01-10 07:28:43,786 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-01-10 07:28:43,786 INFO L474 LassoAnalysis]: Proved termination. [2025-01-10 07:28:43,786 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199 Supporting invariants [] [2025-01-10 07:28:43,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-01-10 07:28:43,794 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-01-10 07:28:43,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:28:43,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-01-10 07:28:43,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-01-10 07:28:43,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:28:43,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 07:28:43,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:28:43,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-01-10 07:28:43,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-01-10 07:28:43,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:28:43,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:28:43,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 07:28:43,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 07:28:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:28:43,852 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2025-01-10 07:28:43,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-01-10 07:28:43,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 11 states and 13 transitions. Complement of second has 3 states. [2025-01-10 07:28:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2025-01-10 07:28:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2025-01-10 07:28:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2025-01-10 07:28:43,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 1 letters. [2025-01-10 07:28:43,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:28:43,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 3 letters. Loop has 1 letters. [2025-01-10 07:28:43,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:28:43,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 2 letters. Loop has 2 letters. [2025-01-10 07:28:43,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-01-10 07:28:43,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2025-01-10 07:28:43,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:28:43,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2025-01-10 07:28:43,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-01-10 07:28:43,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-01-10 07:28:43,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-01-10 07:28:43,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:28:43,883 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:28:43,883 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:28:43,883 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 07:28:43,883 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:28:43,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-01-10 07:28:43,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-01-10 07:28:43,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-01-10 07:28:43,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:28:43 BoogieIcfgContainer [2025-01-10 07:28:43,889 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:28:43,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:28:43,889 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:28:43,890 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:28:43,890 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:28:43" (3/4) ... [2025-01-10 07:28:43,892 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-10 07:28:43,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:28:43,893 INFO L158 Benchmark]: Toolchain (without parser) took 860.10ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 46.3MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-10 07:28:43,893 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:43,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 119.03ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 95.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:43,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.80ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:43,893 INFO L158 Benchmark]: Boogie Preprocessor took 15.05ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 846.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:43,894 INFO L158 Benchmark]: RCFGBuilder took 121.45ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 83.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:28:43,894 INFO L158 Benchmark]: BuchiAutomizer took 583.38ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 47.2MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-10 07:28:43,894 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 46.3MB in the end (delta: 846.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:28:43,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 119.03ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 95.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 14.80ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.05ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 846.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 121.45ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 83.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 583.38ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 47.2MB in the end (delta: 36.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 46.3MB in the end (delta: 846.0kB). 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 * i) + 199) and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 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: 30ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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! [2025-01-10 07:28:43,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-01-10 07:28:44,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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