./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:56:46,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:56:46,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 16:56:46,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:56:46,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:56:46,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:56:46,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:56:46,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:56:46,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:56:46,941 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:56:46,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:56:46,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:56:46,943 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:56:46,944 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 16:56:46,946 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 16:56:46,947 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 16:56:46,947 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 16:56:46,947 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 16:56:46,948 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 16:56:46,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:56:46,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 16:56:46,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:56:46,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:56:46,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 16:56:46,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 16:56:46,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 16:56:46,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:56:46,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:56:46,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:56:46,951 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 16:56:46,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:56:46,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:56:46,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:56:46,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:56:46,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:56:46,953 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 16:56:46,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 [2024-10-13 16:56:47,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:56:47,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:56:47,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:56:47,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:56:47,243 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:56:47,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2024-10-13 16:56:48,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:56:48,901 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:56:48,901 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2024-10-13 16:56:48,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d868a187/f70e52a2c6b84557aa163aa419518998/FLAG510561811 [2024-10-13 16:56:48,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d868a187/f70e52a2c6b84557aa163aa419518998 [2024-10-13 16:56:48,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:56:48,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:56:48,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:56:48,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:56:48,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:56:48,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:56:48" (1/1) ... [2024-10-13 16:56:48,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cb3b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:48, skipping insertion in model container [2024-10-13 16:56:48,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:56:48" (1/1) ... [2024-10-13 16:56:48,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:56:49,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:56:49,115 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:56:49,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:56:49,146 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:56:49,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49 WrapperNode [2024-10-13 16:56:49,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:56:49,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:56:49,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:56:49,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:56:49,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,173 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-10-13 16:56:49,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:56:49,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:56:49,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:56:49,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:56:49,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,190 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:56:49,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:56:49,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:56:49,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:56:49,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:56:49,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (1/1) ... [2024-10-13 16:56:49,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:49,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:49,236 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 16:56:49,242 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 16:56:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:56:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:56:49,356 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:56:49,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:56:49,421 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-13 16:56:49,421 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:56:49,431 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:56:49,431 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 16:56:49,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:56:49 BoogieIcfgContainer [2024-10-13 16:56:49,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:56:49,435 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 16:56:49,435 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 16:56:49,440 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 16:56:49,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:56:49,441 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 04:56:48" (1/3) ... [2024-10-13 16:56:49,442 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@687ef2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:56:49, skipping insertion in model container [2024-10-13 16:56:49,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:56:49,442 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:56:49" (2/3) ... [2024-10-13 16:56:49,442 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@687ef2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:56:49, skipping insertion in model container [2024-10-13 16:56:49,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:56:49,443 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:56:49" (3/3) ... [2024-10-13 16:56:49,444 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7b.c [2024-10-13 16:56:49,501 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 16:56:49,502 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 16:56:49,502 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 16:56:49,502 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 16:56:49,502 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 16:56:49,502 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 16:56:49,502 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 16:56:49,503 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 16:56:49,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 16:56:49,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:56:49,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:49,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:49,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:56:49,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:56:49,523 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 16:56:49,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 16:56:49,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:56:49,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:49,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:49,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:56:49,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:56:49,533 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4#L23-2true [2024-10-13 16:56:49,533 INFO L747 eck$LassoCheckResult]: Loop: 4#L23-2true assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 5#L21true assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 4#L23-2true [2024-10-13 16:56:49,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 16:56:49,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:49,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066301395] [2024-10-13 16:56:49,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:49,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:49,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:49,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:49,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:49,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-10-13 16:56:49,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119217685] [2024-10-13 16:56:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:49,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:49,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:49,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-13 16:56:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:49,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511031843] [2024-10-13 16:56:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:49,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:49,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:49,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:49,859 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:49,860 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:49,860 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:49,861 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:49,861 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:49,861 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:49,861 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:49,862 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:49,862 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration1_Loop [2024-10-13 16:56:49,862 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:49,862 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:49,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:49,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:49,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:49,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:49,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:49,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,006 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:50,006 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:50,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,011 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 16:56:50,013 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 16:56:50,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,043 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:50,043 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:50,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-13 16:56:50,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,063 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 16:56:50,064 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 16:56:50,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,091 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:50,091 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:50,105 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 16:56:50,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,108 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 16:56:50,110 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 16:56:50,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,133 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:50,134 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:50,149 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 16:56:50,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,152 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 16:56:50,153 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 16:56:50,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,184 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 16:56:50,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,187 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 16:56:50,189 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 16:56:50,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:50,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,228 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:50,234 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 16:56:50,234 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:50,235 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:50,235 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:50,235 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:50,235 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:50,235 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,235 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:50,235 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:50,235 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration1_Loop [2024-10-13 16:56:50,235 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:50,235 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:50,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,306 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:50,310 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:50,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,313 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 16:56:50,315 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 16:56:50,316 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 16:56:50,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:50,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:50,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:50,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:50,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:50,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:50,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:50,359 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 16:56:50,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,362 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 16:56:50,363 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 16:56:50,364 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 16:56:50,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:50,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:50,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:50,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:50,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:50,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:50,385 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:50,400 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 16:56:50,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,403 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 16:56:50,404 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 16:56:50,405 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 16:56:50,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:50,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:50,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:50,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:50,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:50,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:50,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:50,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:50,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-13 16:56:50,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,441 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 16:56:50,443 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 16:56:50,444 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 16:56:50,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:50,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:50,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:50,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:50,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:50,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:50,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:50,468 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:50,472 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:50,472 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:50,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,495 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 16:56:50,497 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:50,497 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:50,498 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:50,498 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 16:56:50,498 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-13 16:56:50,513 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 16:56:50,516 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:50,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:50,547 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:50,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:50,560 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:50,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:50,577 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 16:56:50,611 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 16:56:50,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 16:56:50,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 23 states and 35 transitions. Complement of second has 6 states. [2024-10-13 16:56:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 16:56:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-10-13 16:56:50,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-13 16:56:50,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:50,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-13 16:56:50,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:50,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-13 16:56:50,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:50,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2024-10-13 16:56:50,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-13 16:56:50,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 14 states and 20 transitions. [2024-10-13 16:56:50,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-13 16:56:50,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-13 16:56:50,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-10-13 16:56:50,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:50,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-10-13 16:56:50,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-10-13 16:56:50,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-10-13 16:56:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 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 16:56:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2024-10-13 16:56:50,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2024-10-13 16:56:50,717 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2024-10-13 16:56:50,718 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 16:56:50,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2024-10-13 16:56:50,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-13 16:56:50,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:50,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:50,719 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-13 16:56:50,719 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 16:56:50,719 INFO L745 eck$LassoCheckResult]: Stem: 77#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 78#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 79#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 69#L21 [2024-10-13 16:56:50,719 INFO L747 eck$LassoCheckResult]: Loop: 69#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 72#L23 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 - 1;havoc main_#t~nondet5#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 68#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 69#L21 [2024-10-13 16:56:50,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:50,720 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-13 16:56:50,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:50,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073215551] [2024-10-13 16:56:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:50,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:50,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:50,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:50,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:50,727 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2024-10-13 16:56:50,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:50,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687080581] [2024-10-13 16:56:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:50,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:50,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:50,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:50,740 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2024-10-13 16:56:50,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:50,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184615005] [2024-10-13 16:56:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:50,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:50,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:50,806 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:50,807 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:50,807 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:50,807 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:50,807 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:50,807 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,807 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:50,807 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:50,807 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration2_Loop [2024-10-13 16:56:50,808 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:50,808 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:50,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:50,908 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:50,908 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:50,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,913 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 16:56:50,914 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 16:56:50,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,937 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:50,937 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:50,948 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 16:56:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,950 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 16:56:50,951 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 16:56:50,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,964 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:50,964 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:50,976 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 16:56:50,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:50,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:50,978 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 16:56:50,979 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 16:56:50,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:50,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:50,998 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:50,998 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:51,009 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 16:56:51,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,011 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 16:56:51,011 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 16:56:51,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:51,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,023 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:51,024 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:51,035 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 16:56:51,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,037 INFO L229 MonitoredProcess]: Starting monitored process 16 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 16:56:51,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-13 16:56:51,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:51,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,057 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:51,057 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:51,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-13 16:56:51,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,070 INFO L229 MonitoredProcess]: Starting monitored process 17 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 16:56:51,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-13 16:56:51,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:51,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,090 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:51,090 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=1} Honda state: {ULTIMATE.start_main_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:51,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,103 INFO L229 MonitoredProcess]: Starting monitored process 18 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 16:56:51,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-13 16:56:51,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:51,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,130 INFO L229 MonitoredProcess]: Starting monitored process 19 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 16:56:51,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-13 16:56:51,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:51,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,210 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:51,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,216 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:51,216 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:51,216 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:51,216 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:51,216 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:51,216 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,216 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:51,216 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:51,216 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration2_Loop [2024-10-13 16:56:51,216 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:51,216 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:51,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,303 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:51,306 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:51,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,308 INFO L229 MonitoredProcess]: Starting monitored process 20 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 16:56:51,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-13 16:56:51,312 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 16:56:51,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:51,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:51,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:51,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-13 16:56:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,350 INFO L229 MonitoredProcess]: Starting monitored process 21 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 16:56:51,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-13 16:56:51,355 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 16:56:51,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:51,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:51,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:51,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:51,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-13 16:56:51,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,387 INFO L229 MonitoredProcess]: Starting monitored process 22 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 16:56:51,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-13 16:56:51,389 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 16:56:51,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:51,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:51,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:51,402 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:51,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,417 INFO L229 MonitoredProcess]: Starting monitored process 23 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 16:56:51,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-13 16:56:51,419 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 16:56:51,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:51,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:51,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:51,432 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:51,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,445 INFO L229 MonitoredProcess]: Starting monitored process 24 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 16:56:51,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-13 16:56:51,446 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 16:56:51,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:51,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:51,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:51,458 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:51,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-13 16:56:51,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,469 INFO L229 MonitoredProcess]: Starting monitored process 25 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 16:56:51,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-13 16:56:51,471 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 16:56:51,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:51,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:51,487 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:51,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,522 INFO L229 MonitoredProcess]: Starting monitored process 26 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 16:56:51,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-13 16:56:51,546 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 16:56:51,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:51,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:51,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:51,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:51,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:51,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:51,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:51,573 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:51,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,578 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:51,578 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:51,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,580 INFO L229 MonitoredProcess]: Starting monitored process 27 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 16:56:51,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-13 16:56:51,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:51,582 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:51,582 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:51,583 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-10-13 16:56:51,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,598 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:51,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:51,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:51,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:51,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:51,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:51,667 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 16:56:51,668 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 16:56:51,668 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 9 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 16:56:51,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 9. 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 32 states and 50 transitions. Complement of second has 6 states. [2024-10-13 16:56:51,696 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 16:56:51,697 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 16:56:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-10-13 16:56:51,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-13 16:56:51,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:51,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-13 16:56:51,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:51,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-13 16:56:51,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:51,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 50 transitions. [2024-10-13 16:56:51,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:56:51,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 28 states and 43 transitions. [2024-10-13 16:56:51,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-13 16:56:51,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-13 16:56:51,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 43 transitions. [2024-10-13 16:56:51,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:51,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 43 transitions. [2024-10-13 16:56:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 43 transitions. [2024-10-13 16:56:51,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2024-10-13 16:56:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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 16:56:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2024-10-13 16:56:51,710 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 39 transitions. [2024-10-13 16:56:51,711 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 39 transitions. [2024-10-13 16:56:51,711 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 16:56:51,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 39 transitions. [2024-10-13 16:56:51,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:56:51,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:51,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:51,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-13 16:56:51,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 16:56:51,715 INFO L745 eck$LassoCheckResult]: Stem: 163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 165#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 169#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 158#L23 [2024-10-13 16:56:51,715 INFO L747 eck$LassoCheckResult]: Loop: 158#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 153#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 154#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 158#L23 [2024-10-13 16:56:51,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:51,715 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-13 16:56:51,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:51,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203859283] [2024-10-13 16:56:51,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:51,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:51,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:51,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:51,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:51,731 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2024-10-13 16:56:51,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:51,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91037744] [2024-10-13 16:56:51,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:51,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:51,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:51,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:51,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:51,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1810724562, now seen corresponding path program 1 times [2024-10-13 16:56:51,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:51,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445182683] [2024-10-13 16:56:51,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:51,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:51,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:51,801 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:51,801 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:51,801 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:51,802 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:51,802 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:51,802 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,802 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:51,802 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:51,802 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration3_Loop [2024-10-13 16:56:51,802 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:51,802 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:51,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:51,883 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:51,884 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:51,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,885 INFO L229 MonitoredProcess]: Starting monitored process 28 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 16:56:51,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-13 16:56:51,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:51,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,905 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:51,905 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:51,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,916 INFO L229 MonitoredProcess]: Starting monitored process 29 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 16:56:51,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-13 16:56:51,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:51,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:51,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:51,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:51,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:51,942 INFO L229 MonitoredProcess]: Starting monitored process 30 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 16:56:51,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-13 16:56:51,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:51,944 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,002 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:52,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-13 16:56:52,006 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:52,006 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:52,006 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:52,006 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:52,007 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:52,007 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,007 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:52,007 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:52,007 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration3_Loop [2024-10-13 16:56:52,007 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:52,007 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:52,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,090 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:52,090 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,095 INFO L229 MonitoredProcess]: Starting monitored process 31 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 16:56:52,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-13 16:56:52,097 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 16:56:52,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:52,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:52,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:52,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:52,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:52,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:52,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:52,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:52,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:52,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,126 INFO L229 MonitoredProcess]: Starting monitored process 32 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 16:56:52,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-13 16:56:52,127 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 16:56:52,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:52,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:52,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:52,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:52,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:52,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:52,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:52,140 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:52,143 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:52,143 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:52,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,144 INFO L229 MonitoredProcess]: Starting monitored process 33 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 16:56:52,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-13 16:56:52,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:52,145 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:52,146 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:52,146 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-10-13 16:56:52,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-13 16:56:52,157 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:52,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:52,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:52,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:52,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:52,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:52,216 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 16:56:52,217 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:52,217 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 39 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:52,240 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 39 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 86 transitions. Complement of second has 7 states. [2024-10-13 16:56:52,240 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 16:56:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:56:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-13 16:56:52,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2024-10-13 16:56:52,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:52,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-13 16:56:52,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:52,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2024-10-13 16:56:52,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:52,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 86 transitions. [2024-10-13 16:56:52,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 16:56:52,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 50 states and 79 transitions. [2024-10-13 16:56:52,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-13 16:56:52,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-13 16:56:52,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 79 transitions. [2024-10-13 16:56:52,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:52,246 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 79 transitions. [2024-10-13 16:56:52,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 79 transitions. [2024-10-13 16:56:52,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2024-10-13 16:56:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 47 states have internal predecessors, (77), 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 16:56:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 77 transitions. [2024-10-13 16:56:52,250 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 77 transitions. [2024-10-13 16:56:52,250 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 77 transitions. [2024-10-13 16:56:52,250 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 16:56:52,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 77 transitions. [2024-10-13 16:56:52,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-13 16:56:52,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:52,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:52,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2024-10-13 16:56:52,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:56:52,256 INFO L745 eck$LassoCheckResult]: Stem: 290#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 291#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 277#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 278#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 293#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 306#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 303#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 301#L23-2 [2024-10-13 16:56:52,257 INFO L747 eck$LassoCheckResult]: Loop: 301#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 302#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 301#L23-2 [2024-10-13 16:56:52,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1810724560, now seen corresponding path program 1 times [2024-10-13 16:56:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:52,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792760029] [2024-10-13 16:56:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:52,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:52,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 2 times [2024-10-13 16:56:52,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:52,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576301019] [2024-10-13 16:56:52,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:52,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:52,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash 644547635, now seen corresponding path program 2 times [2024-10-13 16:56:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:52,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732019863] [2024-10-13 16:56:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:52,340 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:52,340 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:52,340 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:52,340 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:52,340 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:52,340 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,340 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:52,340 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:52,340 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration4_Loop [2024-10-13 16:56:52,340 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:52,340 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:52,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,414 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:52,414 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:52,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,416 INFO L229 MonitoredProcess]: Starting monitored process 34 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 16:56:52,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-13 16:56:52,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:52,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,431 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:52,431 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:52,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:52,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,443 INFO L229 MonitoredProcess]: Starting monitored process 35 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 16:56:52,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-13 16:56:52,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:52,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-13 16:56:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,468 INFO L229 MonitoredProcess]: Starting monitored process 36 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 16:56:52,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-13 16:56:52,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:52,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,503 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:52,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-13 16:56:52,507 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:52,507 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:52,507 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:52,507 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:52,507 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:52,507 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,507 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:52,508 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:52,508 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration4_Loop [2024-10-13 16:56:52,508 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:52,508 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:52,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,571 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:52,571 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,574 INFO L229 MonitoredProcess]: Starting monitored process 37 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 16:56:52,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-13 16:56:52,576 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 16:56:52,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:52,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:52,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:52,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:52,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:52,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:52,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:52,594 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:52,595 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-13 16:56:52,595 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-13 16:56:52,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,597 INFO L229 MonitoredProcess]: Starting monitored process 38 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 16:56:52,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-13 16:56:52,598 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:52,598 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:52,598 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:52,598 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-13 16:56:52,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:52,609 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:52,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:52,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:52,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:52,639 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:52,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:52,653 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 16:56:52,654 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 16:56:52,654 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16:56:52,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 122 states and 186 transitions. Complement of second has 5 states. [2024-10-13 16:56:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16:56:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-13 16:56:52,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2024-10-13 16:56:52,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:52,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-13 16:56:52,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:52,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2024-10-13 16:56:52,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:52,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 186 transitions. [2024-10-13 16:56:52,684 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 16:56:52,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 98 states and 154 transitions. [2024-10-13 16:56:52,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-13 16:56:52,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-13 16:56:52,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 154 transitions. [2024-10-13 16:56:52,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:52,686 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 154 transitions. [2024-10-13 16:56:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 154 transitions. [2024-10-13 16:56:52,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2024-10-13 16:56:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 85 states have (on average 1.6) internal successors, (136), 84 states have internal predecessors, (136), 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 16:56:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 136 transitions. [2024-10-13 16:56:52,693 INFO L240 hiAutomatonCegarLoop]: Abstraction has 85 states and 136 transitions. [2024-10-13 16:56:52,693 INFO L425 stractBuchiCegarLoop]: Abstraction has 85 states and 136 transitions. [2024-10-13 16:56:52,693 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 16:56:52,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 136 transitions. [2024-10-13 16:56:52,694 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-13 16:56:52,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:52,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:52,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-10-13 16:56:52,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 16:56:52,695 INFO L745 eck$LassoCheckResult]: Stem: 503#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 504#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 509#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 521#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 536#L23 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 - 1;havoc main_#t~nondet5#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 552#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 550#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 510#L23 [2024-10-13 16:56:52,695 INFO L747 eck$LassoCheckResult]: Loop: 510#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 511#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 541#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 510#L23 [2024-10-13 16:56:52,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1810722640, now seen corresponding path program 2 times [2024-10-13 16:56:52,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:52,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976284638] [2024-10-13 16:56:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:52,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:52,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 2 times [2024-10-13 16:56:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998736833] [2024-10-13 16:56:52,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:52,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:52,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1551048982, now seen corresponding path program 1 times [2024-10-13 16:56:52,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:52,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532589225] [2024-10-13 16:56:52,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:52,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:52,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:52,781 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:52,781 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:52,781 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:52,782 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:52,782 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:52,782 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,782 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:52,782 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:52,782 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration5_Loop [2024-10-13 16:56:52,782 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:52,782 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:52,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:52,857 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:52,857 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:52,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,860 INFO L229 MonitoredProcess]: Starting monitored process 39 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 16:56:52,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-13 16:56:52,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:52,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,885 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:52,885 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:52,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,902 INFO L229 MonitoredProcess]: Starting monitored process 40 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 16:56:52,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-13 16:56:52,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:52,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,919 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:52,919 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:52,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-13 16:56:52,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,936 INFO L229 MonitoredProcess]: Starting monitored process 41 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 16:56:52,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-13 16:56:52,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:52,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:52,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-13 16:56:52,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:52,970 INFO L229 MonitoredProcess]: Starting monitored process 42 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 16:56:52,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-13 16:56:52,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:52,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,034 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:53,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:53,039 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:53,039 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:53,039 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:53,039 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:53,039 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:53,039 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,039 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:53,043 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:53,043 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration5_Loop [2024-10-13 16:56:53,043 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:53,043 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:53,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,113 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:53,113 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:53,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,115 INFO L229 MonitoredProcess]: Starting monitored process 43 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 16:56:53,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-13 16:56:53,118 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 16:56:53,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:53,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:53,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:53,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:53,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:53,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:53,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:53,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:53,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-13 16:56:53,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,146 INFO L229 MonitoredProcess]: Starting monitored process 44 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 16:56:53,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-13 16:56:53,148 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 16:56:53,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:53,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:53,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:53,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:53,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:53,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:53,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:53,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:53,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:53,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,181 INFO L229 MonitoredProcess]: Starting monitored process 45 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 16:56:53,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-13 16:56:53,182 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 16:56:53,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:53,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:53,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:53,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:53,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:53,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:53,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:53,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:53,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-13 16:56:53,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,214 INFO L229 MonitoredProcess]: Starting monitored process 46 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 16:56:53,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-13 16:56:53,216 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 16:56:53,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:53,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:53,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:53,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:53,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:53,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:53,234 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:53,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-13 16:56:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,249 INFO L229 MonitoredProcess]: Starting monitored process 47 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 16:56:53,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-13 16:56:53,251 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 16:56:53,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:53,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:53,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:53,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:53,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:53,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:53,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:53,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:53,265 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:53,265 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:53,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,267 INFO L229 MonitoredProcess]: Starting monitored process 48 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 16:56:53,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-13 16:56:53,268 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:53,268 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:53,268 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:53,268 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-10-13 16:56:53,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-13 16:56:53,279 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:53,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:53,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:53,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:53,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:53,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:53,330 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 16:56:53,330 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:53,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16:56:53,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 122 states and 188 transitions. Complement of second has 7 states. [2024-10-13 16:56:53,356 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 16:56:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16:56:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-13 16:56:53,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-13 16:56:53,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:53,357 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:53,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:53,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:53,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:53,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:53,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:53,415 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 16:56:53,416 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:53,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16:56:53,445 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 112 states and 174 transitions. Complement of second has 7 states. [2024-10-13 16:56:53,446 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 16:56:53,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16:56:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-10-13 16:56:53,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-13 16:56:53,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:53,447 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:53,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:53,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:53,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:53,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:53,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-13 16:56:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:53,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:53,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:53,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:53,561 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 16:56:53,562 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:56:53,563 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16:56:53,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-13 16:56:53,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 168 states and 260 transitions. Complement of second has 9 states. [2024-10-13 16:56:53,585 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 16:56:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16:56:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-13 16:56:53,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-13 16:56:53,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:53,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-13 16:56:53,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:53,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-13 16:56:53,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:53,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 260 transitions. [2024-10-13 16:56:53,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-13 16:56:53,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 120 states and 186 transitions. [2024-10-13 16:56:53,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-13 16:56:53,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-13 16:56:53,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 186 transitions. [2024-10-13 16:56:53,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:56:53,593 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 186 transitions. [2024-10-13 16:56:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 186 transitions. [2024-10-13 16:56:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 70. [2024-10-13 16:56:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.6) internal successors, (112), 69 states have internal predecessors, (112), 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 16:56:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 112 transitions. [2024-10-13 16:56:53,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 112 transitions. [2024-10-13 16:56:53,599 INFO L425 stractBuchiCegarLoop]: Abstraction has 70 states and 112 transitions. [2024-10-13 16:56:53,599 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-13 16:56:53,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 112 transitions. [2024-10-13 16:56:53,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-10-13 16:56:53,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:56:53,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:56:53,601 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1] [2024-10-13 16:56:53,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:56:53,601 INFO L745 eck$LassoCheckResult]: Stem: 1128#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1115#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1117#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 1159#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1132#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 1131#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1157#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1158#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 1134#L23-2 [2024-10-13 16:56:53,601 INFO L747 eck$LassoCheckResult]: Loop: 1134#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1133#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 1134#L23-2 [2024-10-13 16:56:53,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:53,601 INFO L85 PathProgramCache]: Analyzing trace with hash 578209805, now seen corresponding path program 3 times [2024-10-13 16:56:53,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:53,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052326050] [2024-10-13 16:56:53,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:53,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:53,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:53,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:53,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:53,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 3 times [2024-10-13 16:56:53,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:53,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402098536] [2024-10-13 16:56:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:53,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:53,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:53,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:53,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:53,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1608841776, now seen corresponding path program 4 times [2024-10-13 16:56:53,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:56:53,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103532588] [2024-10-13 16:56:53,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:56:53,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:56:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:53,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:56:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:56:53,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:56:53,668 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:53,668 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:53,668 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:53,668 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:53,668 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:56:53,668 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,668 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:53,668 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:53,668 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration6_Loop [2024-10-13 16:56:53,668 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:53,669 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:53,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,719 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:53,719 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:56:53,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,720 INFO L229 MonitoredProcess]: Starting monitored process 49 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 16:56:53,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-13 16:56:53,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:53,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,740 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:53,740 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:53,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-13 16:56:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,752 INFO L229 MonitoredProcess]: Starting monitored process 50 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 16:56:53,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-13 16:56:53,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:53,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,774 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:53,774 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=1} Honda state: {ULTIMATE.start_main_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:53,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:53,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,787 INFO L229 MonitoredProcess]: Starting monitored process 51 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 16:56:53,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-13 16:56:53,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:53,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,800 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:53,800 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:53,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-13 16:56:53,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,812 INFO L229 MonitoredProcess]: Starting monitored process 52 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 16:56:53,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-13 16:56:53,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:53,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,832 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:53,832 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:53,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-13 16:56:53,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,843 INFO L229 MonitoredProcess]: Starting monitored process 53 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 16:56:53,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-13 16:56:53,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:53,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,863 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:56:53,863 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:56:53,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-13 16:56:53,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,875 INFO L229 MonitoredProcess]: Starting monitored process 54 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 16:56:53,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-13 16:56:53,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:56:53,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-13 16:56:53,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,900 INFO L229 MonitoredProcess]: Starting monitored process 55 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 16:56:53,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-13 16:56:53,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:56:53,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:56:53,927 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:56:53,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:53,932 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:56:53,932 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:56:53,932 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:56:53,932 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:56:53,932 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:56:53,932 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,932 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:56:53,932 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:56:53,932 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration6_Loop [2024-10-13 16:56:53,932 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:56:53,932 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:56:53,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:56:53,980 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:56:53,980 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:56:53,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:53,982 INFO L229 MonitoredProcess]: Starting monitored process 56 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 16:56:53,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-13 16:56:53,984 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 16:56:53,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:53,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:53,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:53,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:53,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:53,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:53,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:53,996 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:54,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:54,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:54,007 INFO L229 MonitoredProcess]: Starting monitored process 57 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 16:56:54,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-13 16:56:54,008 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 16:56:54,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:54,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:54,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:54,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:54,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:54,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:54,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:54,022 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:54,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:54,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:54,038 INFO L229 MonitoredProcess]: Starting monitored process 58 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 16:56:54,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-13 16:56:54,040 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 16:56:54,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:54,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:54,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:54,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:54,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:54,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:54,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:54,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:54,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:54,073 INFO L229 MonitoredProcess]: Starting monitored process 59 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 16:56:54,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-13 16:56:54,075 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 16:56:54,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:54,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:54,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:54,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:54,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:56:54,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:56:54,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:56:54,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:54,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:54,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:54,109 INFO L229 MonitoredProcess]: Starting monitored process 60 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 16:56:54,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-13 16:56:54,111 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 16:56:54,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:56:54,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:56:54,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:56:54,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:56:54,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:56:54,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:56:54,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:56:54,126 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:56:54,129 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:56:54,129 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:56:54,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:56:54,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:56:54,131 INFO L229 MonitoredProcess]: Starting monitored process 61 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 16:56:54,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-13 16:56:54,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:56:54,132 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:56:54,132 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:56:54,133 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-13 16:56:54,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-13 16:56:54,147 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:56:54,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:54,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:54,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:54,178 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:54,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:54,188 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 16:56:54,189 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 16:56:54,189 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16:56:54,204 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 110 states and 165 transitions. Complement of second has 5 states. [2024-10-13 16:56:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16:56:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-13 16:56:54,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-13 16:56:54,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:54,206 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:54,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:54,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:54,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:54,233 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:54,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:54,243 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 16:56:54,243 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-13 16:56:54,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16:56:54,255 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 110 states and 165 transitions. Complement of second has 5 states. [2024-10-13 16:56:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16:56:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-13 16:56:54,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-13 16:56:54,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:54,257 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 16:56:54,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:56:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:54,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:56:54,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:56:54,293 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:56:54,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:56:54,305 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 16:56:54,305 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-13 16:56:54,305 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16:56:54,325 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 126 states and 193 transitions. Complement of second has 4 states. [2024-10-13 16:56:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 16:56:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 16:56:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-13 16:56:54,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-13 16:56:54,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:54,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-13 16:56:54,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:54,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-13 16:56:54,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:56:54,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 193 transitions. [2024-10-13 16:56:54,328 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:56:54,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 0 states and 0 transitions. [2024-10-13 16:56:54,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 16:56:54,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 16:56:54,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 16:56:54,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 16:56:54,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:56:54,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:56:54,329 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:56:54,329 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-13 16:56:54,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:56:54,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:56:54,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 16:56:54,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 04:56:54 BoogieIcfgContainer [2024-10-13 16:56:54,336 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 16:56:54,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:56:54,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:56:54,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:56:54,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:56:49" (3/4) ... [2024-10-13 16:56:54,339 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:56:54,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:56:54,341 INFO L158 Benchmark]: Toolchain (without parser) took 5415.56ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 91.8MB in the beginning and 109.3MB in the end (delta: -17.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-10-13 16:56:54,341 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 144.7MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:54,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.30ms. Allocated memory is still 144.7MB. Free memory was 91.3MB in the beginning and 80.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 16:56:54,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.74ms. Allocated memory is still 144.7MB. Free memory was 80.0MB in the beginning and 78.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:54,342 INFO L158 Benchmark]: Boogie Preprocessor took 23.79ms. Allocated memory is still 144.7MB. Free memory was 78.7MB in the beginning and 77.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:56:54,342 INFO L158 Benchmark]: RCFGBuilder took 235.23ms. Allocated memory is still 144.7MB. Free memory was 77.1MB in the beginning and 67.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-13 16:56:54,342 INFO L158 Benchmark]: BuchiAutomizer took 4901.38ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 67.9MB in the beginning and 109.3MB in the end (delta: -41.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-10-13 16:56:54,342 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 197.1MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:56:54,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 144.7MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.30ms. Allocated memory is still 144.7MB. Free memory was 91.3MB in the beginning and 80.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.74ms. Allocated memory is still 144.7MB. Free memory was 80.0MB in the beginning and 78.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.79ms. Allocated memory is still 144.7MB. Free memory was 78.7MB in the beginning and 77.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 235.23ms. Allocated memory is still 144.7MB. Free memory was 77.1MB in the beginning and 67.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4901.38ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 67.9MB in the beginning and 109.3MB in the end (delta: -41.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 197.1MB. Free memory is still 109.3MB. 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 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function z and consists of 4 locations. One deterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function z and consists of 4 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 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 [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 85 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT6 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax169 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 18 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s 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 16:56:54,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-13 16:56:54,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE