./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum04-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:26:17,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:26:18,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:26:18,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:26:18,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:26:18,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:26:18,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:26:18,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:26:18,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:26:18,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:26:18,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:26:18,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:26:18,081 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:26:18,084 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:26:18,084 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:26:18,085 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:26:18,085 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:26:18,085 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:26:18,085 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:26:18,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:26:18,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:26:18,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:26:18,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:26:18,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:26:18,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:26:18,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:26:18,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:26:18,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:26:18,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:26:18,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:26:18,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:26:18,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:26:18,089 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:26:18,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:26:18,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:26:18,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:26:18,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:26:18,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:26:18,091 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:26:18,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 [2024-10-13 17:26:18,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:26:18,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:26:18,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:26:18,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:26:18,395 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:26:18,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum04-1.i [2024-10-13 17:26:19,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:26:20,000 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:26:20,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum04-1.i [2024-10-13 17:26:20,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87425e582/dc268f6616fe43ceafb5f2e1a64c5418/FLAG7b5ccdfdb [2024-10-13 17:26:20,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87425e582/dc268f6616fe43ceafb5f2e1a64c5418 [2024-10-13 17:26:20,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:26:20,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:26:20,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:26:20,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:26:20,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:26:20,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f11dc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20, skipping insertion in model container [2024-10-13 17:26:20,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:26:20,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:26:20,226 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:26:20,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:26:20,255 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:26:20,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20 WrapperNode [2024-10-13 17:26:20,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:26:20,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:26:20,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:26:20,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:26:20,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,287 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2024-10-13 17:26:20,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:26:20,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:26:20,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:26:20,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:26:20,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,313 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]. [2024-10-13 17:26:20,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:26:20,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:26:20,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:26:20,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:26:20,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (1/1) ... [2024-10-13 17:26:20,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:20,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:20,357 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) [2024-10-13 17:26:20,360 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 [2024-10-13 17:26:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:26:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:26:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:26:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:26:20,482 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:26:20,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:26:20,645 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-13 17:26:20,646 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:26:20,659 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:26:20,660 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 17:26:20,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:26:20 BoogieIcfgContainer [2024-10-13 17:26:20,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:26:20,661 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:26:20,662 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:26:20,665 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:26:20,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:26:20,667 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:26:20" (1/3) ... [2024-10-13 17:26:20,668 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26f93bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:26:20, skipping insertion in model container [2024-10-13 17:26:20,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:26:20,668 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:26:20" (2/3) ... [2024-10-13 17:26:20,669 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26f93bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:26:20, skipping insertion in model container [2024-10-13 17:26:20,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:26:20,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:26:20" (3/3) ... [2024-10-13 17:26:20,670 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum04-1.i [2024-10-13 17:26:20,737 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:26:20,737 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:26:20,737 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:26:20,738 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:26:20,738 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:26:20,738 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:26:20,738 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:26:20,738 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:26:20,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:26:20,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:26:20,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:26:20,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:26:20,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:26:20,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:26:20,761 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:26:20,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:26:20,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:26:20,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:26:20,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:26:20,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:26:20,763 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:26:20,770 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 12#L24-3true [2024-10-13 17:26:20,771 INFO L747 eck$LassoCheckResult]: Loop: 12#L24-3true assume !!(main_~i~0#1 <= 8); 6#L25true assume main_~i~0#1 < 4;main_~sn~0#1 := 2 + main_~sn~0#1; 5#L24-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 12#L24-3true [2024-10-13 17:26:20,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:20,778 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 17:26:20,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:26:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549562408] [2024-10-13 17:26:20,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:26:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:26:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:20,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:26:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:20,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:26:20,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:20,902 INFO L85 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2024-10-13 17:26:20,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:26:20,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157845827] [2024-10-13 17:26:20,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:26:20,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:26:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:20,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:26:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:20,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:26:20,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash 28698763, now seen corresponding path program 1 times [2024-10-13 17:26:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:26:20,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769372571] [2024-10-13 17:26:20,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:26:20,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:26:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:20,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:26:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:20,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:26:21,020 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:26:21,020 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:26:21,021 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:26:21,021 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:26:21,021 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 17:26:21,021 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,021 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:26:21,022 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:26:21,022 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration1_Loop [2024-10-13 17:26:21,022 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:26:21,022 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:26:21,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,114 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:26:21,115 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 17:26:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,120 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) [2024-10-13 17:26:21,122 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 [2024-10-13 17:26:21,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:26:21,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:21,142 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 17:26:21,142 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 17:26:21,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-13 17:26:21,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,155 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) [2024-10-13 17:26:21,156 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 [2024-10-13 17:26:21,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:26:21,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:21,183 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 [2024-10-13 17:26:21,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,186 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) [2024-10-13 17:26:21,188 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 [2024-10-13 17:26:21,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 17:26:21,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:21,221 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 17:26:21,221 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=-1}, {ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-10-13 17:26:21,234 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 [2024-10-13 17:26:21,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,236 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) [2024-10-13 17:26:21,238 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 [2024-10-13 17:26:21,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:26:21,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:21,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-13 17:26:21,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,263 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) [2024-10-13 17:26:21,263 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 [2024-10-13 17:26:21,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 17:26:21,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:21,294 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 17:26:21,299 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 [2024-10-13 17:26:21,299 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:26:21,299 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:26:21,299 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:26:21,299 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:26:21,300 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:26:21,300 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,300 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:26:21,300 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:26:21,300 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration1_Loop [2024-10-13 17:26:21,300 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:26:21,300 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:26:21,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,365 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:26:21,373 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:26:21,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,379 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-10-13 17:26:21,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-13 17:26:21,382 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 [2024-10-13 17:26:21,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:26:21,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:26:21,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:26:21,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:26:21,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:26:21,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:26:21,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:26:21,402 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:26:21,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-13 17:26:21,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,414 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-10-13 17:26:21,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-13 17:26:21,416 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 [2024-10-13 17:26:21,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:26:21,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:26:21,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:26:21,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:26:21,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:26:21,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:26:21,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:26:21,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:26:21,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 17:26:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,446 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-10-13 17:26:21,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-13 17:26:21,448 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 [2024-10-13 17:26:21,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:26:21,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:26:21,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:26:21,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:26:21,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:26:21,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:26:21,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:26:21,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:26:21,466 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 17:26:21,466 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-13 17:26:21,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,485 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-10-13 17:26:21,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-13 17:26:21,487 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:26:21,487 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 17:26:21,487 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:26:21,487 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7 Supporting invariants [] [2024-10-13 17:26:21,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-13 17:26:21,502 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 17:26:21,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:26:21,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:26:21,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:26:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:26:21,567 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 17:26:21,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:26:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:26:21,629 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 [2024-10-13 17:26:21,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:26:21,681 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 44 transitions. Complement of second has 8 states. [2024-10-13 17:26:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 17:26:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:26:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-10-13 17:26:21,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-13 17:26:21,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:26:21,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-13 17:26:21,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:26:21,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-13 17:26:21,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:26:21,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 44 transitions. [2024-10-13 17:26:21,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:26:21,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 12 states and 15 transitions. [2024-10-13 17:26:21,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-13 17:26:21,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-13 17:26:21,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2024-10-13 17:26:21,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:26:21,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-10-13 17:26:21,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2024-10-13 17:26:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-10-13 17:26:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2024-10-13 17:26:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-10-13 17:26:21,719 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-13 17:26:21,719 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-13 17:26:21,719 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:26:21,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-10-13 17:26:21,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 17:26:21,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:26:21,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:26:21,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-13 17:26:21,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:26:21,720 INFO L745 eck$LassoCheckResult]: Stem: 95#$Ultimate##0 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(10, 2); 96#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 98#L24-3 assume !!(main_~i~0#1 <= 8); 92#L25 [2024-10-13 17:26:21,721 INFO L747 eck$LassoCheckResult]: Loop: 92#L25 assume !(main_~i~0#1 < 4); 88#L24-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 89#L24-3 assume !!(main_~i~0#1 <= 8); 92#L25 [2024-10-13 17:26:21,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:21,721 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-10-13 17:26:21,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:26:21,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345448902] [2024-10-13 17:26:21,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:26:21,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:26:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:21,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:26:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:21,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:26:21,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash 44743, now seen corresponding path program 1 times [2024-10-13 17:26:21,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:26:21,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484496129] [2024-10-13 17:26:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:26:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:26:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:21,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:26:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:26:21,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:26:21,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:21,755 INFO L85 PathProgramCache]: Analyzing trace with hash 889663585, now seen corresponding path program 1 times [2024-10-13 17:26:21,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:26:21,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519753333] [2024-10-13 17:26:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:26:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:26:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:26:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:26:21,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:26:21,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519753333] [2024-10-13 17:26:21,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519753333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:26:21,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:26:21,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:26:21,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662219692] [2024-10-13 17:26:21,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:26:21,881 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:26:21,881 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:26:21,882 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:26:21,882 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:26:21,882 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 17:26:21,882 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,882 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:26:21,883 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:26:21,883 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration2_Loop [2024-10-13 17:26:21,883 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:26:21,883 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:26:21,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:21,925 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:26:21,925 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 17:26:21,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,927 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2024-10-13 17:26:21,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-13 17:26:21,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 17:26:21,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:21,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-13 17:26:21,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:21,971 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-10-13 17:26:21,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-13 17:26:21,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 17:26:21,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 17:26:22,013 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 17:26:22,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-13 17:26:22,020 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:26:22,020 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:26:22,020 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:26:22,020 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:26:22,020 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:26:22,020 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:22,020 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:26:22,020 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:26:22,020 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration2_Loop [2024-10-13 17:26:22,020 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:26:22,021 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:26:22,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:22,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:26:22,054 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:26:22,055 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:26:22,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:22,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:22,057 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2024-10-13 17:26:22,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-13 17:26:22,060 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 [2024-10-13 17:26:22,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:26:22,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:26:22,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:26:22,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:26:22,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:26:22,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:26:22,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:26:22,079 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:26:22,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-13 17:26:22,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:22,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:22,098 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2024-10-13 17:26:22,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-13 17:26:22,101 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 [2024-10-13 17:26:22,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:26:22,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:26:22,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:26:22,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:26:22,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:26:22,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:26:22,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:26:22,119 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:26:22,122 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 17:26:22,122 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-13 17:26:22,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:26:22,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:26:22,124 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-10-13 17:26:22,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-13 17:26:22,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:26:22,128 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 17:26:22,129 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:26:22,129 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 15 Supporting invariants [] [2024-10-13 17:26:22,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-13 17:26:22,140 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 17:26:22,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:26:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:26:22,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:26:22,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:26:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:26:22,184 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 17:26:22,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:26:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:26:22,217 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 [2024-10-13 17:26:22,217 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-10-13 17:26:22,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-13 17:26:22,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-13 17:26:22,247 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 18 states and 22 transitions. Complement of second has 6 states. [2024-10-13 17:26:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 17:26:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-10-13 17:26:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-10-13 17:26:22,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-13 17:26:22,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:26:22,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-13 17:26:22,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:26:22,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-13 17:26:22,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:26:22,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-10-13 17:26:22,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:26:22,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-10-13 17:26:22,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 17:26:22,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 17:26:22,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 17:26:22,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:26:22,252 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:26:22,252 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:26:22,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:26:22,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 17:26:22,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 17:26:22,256 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-13 17:26:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:26:22,259 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-13 17:26:22,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-13 17:26:22,259 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:26:22,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 17:26:22,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 17:26:22,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 17:26:22,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 17:26:22,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:26:22,260 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:26:22,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:26:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 17:26:22,262 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:26:22,262 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:26:22,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 17:26:22,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:26:22,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:26:22,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:26:22 BoogieIcfgContainer [2024-10-13 17:26:22,272 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:26:22,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:26:22,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:26:22,275 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:26:22,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:26:20" (3/4) ... [2024-10-13 17:26:22,278 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:26:22,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:26:22,279 INFO L158 Benchmark]: Toolchain (without parser) took 2256.94ms. Allocated memory is still 163.6MB. Free memory was 97.0MB in the beginning and 125.7MB in the end (delta: -28.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:26:22,280 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:26:22,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.79ms. Allocated memory is still 163.6MB. Free memory was 96.8MB in the beginning and 84.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 17:26:22,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.13ms. Allocated memory is still 163.6MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:26:22,283 INFO L158 Benchmark]: Boogie Preprocessor took 33.77ms. Allocated memory is still 163.6MB. Free memory was 83.2MB in the beginning and 81.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:26:22,284 INFO L158 Benchmark]: RCFGBuilder took 335.00ms. Allocated memory is still 163.6MB. Free memory was 81.6MB in the beginning and 131.9MB in the end (delta: -50.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-10-13 17:26:22,284 INFO L158 Benchmark]: BuchiAutomizer took 1610.44ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 125.7MB in the end (delta: 5.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-13 17:26:22,284 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 163.6MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:26:22,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.79ms. Allocated memory is still 163.6MB. Free memory was 96.8MB in the beginning and 84.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.13ms. Allocated memory is still 163.6MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.77ms. Allocated memory is still 163.6MB. Free memory was 83.2MB in the beginning and 81.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.00ms. Allocated memory is still 163.6MB. Free memory was 81.6MB in the beginning and 131.9MB in the end (delta: -50.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1610.44ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 125.7MB in the end (delta: 5.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 163.6MB. Free memory is still 125.7MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 7) and consists of 5 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 15) and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp83 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-13 17:26:22,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE