./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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-restricted-15/McCarthyIterative.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 faa806fd1be90697a522dfc0988145f6572d5d87fac98caf7aa5fe5b66e6095c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:11:21,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:11:21,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-15 00:11:21,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:11:21,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:11:21,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:11:21,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:11:21,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:11:21,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:11:21,185 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:11:21,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:11:21,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:11:21,186 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:11:21,189 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:11:21,190 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:11:21,190 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:11:21,190 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:11:21,191 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:11:21,191 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:11:21,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:11:21,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:11:21,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:11:21,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:11:21,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:11:21,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:11:21,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:11:21,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:11:21,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:11:21,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:11:21,195 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:11:21,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:11:21,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:11:21,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:11:21,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:11:21,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:11:21,198 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:11:21,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faa806fd1be90697a522dfc0988145f6572d5d87fac98caf7aa5fe5b66e6095c [2024-10-15 00:11:21,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:11:21,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:11:21,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:11:21,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:11:21,554 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:11:21,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c [2024-10-15 00:11:23,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:11:23,300 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:11:23,301 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c [2024-10-15 00:11:23,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56ddd6a6/ff46bf798d2b4326afafb1d10a68e7d6/FLAGa38f3e1b6 [2024-10-15 00:11:23,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d56ddd6a6/ff46bf798d2b4326afafb1d10a68e7d6 [2024-10-15 00:11:23,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:11:23,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:11:23,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:11:23,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:11:23,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:11:23,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280f0d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23, skipping insertion in model container [2024-10-15 00:11:23,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:11:23,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:11:23,519 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:11:23,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:11:23,546 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:11:23,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23 WrapperNode [2024-10-15 00:11:23,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:11:23,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:11:23,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:11:23,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:11:23,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,577 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-10-15 00:11:23,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:11:23,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:11:23,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:11:23,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:11:23,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,598 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-15 00:11:23,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:11:23,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:11:23,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:11:23,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:11:23,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (1/1) ... [2024-10-15 00:11:23,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:23,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:23,650 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) [2024-10-15 00:11:23,653 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 [2024-10-15 00:11:23,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:11:23,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:11:23,763 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:11:23,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:11:23,808 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-10-15 00:11:23,809 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:11:23,819 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:11:23,820 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 00:11:23,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:23 BoogieIcfgContainer [2024-10-15 00:11:23,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:11:23,822 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:11:23,822 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:11:23,825 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:11:23,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:23,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:11:23" (1/3) ... [2024-10-15 00:11:23,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20e1710b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:11:23, skipping insertion in model container [2024-10-15 00:11:23,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:23,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:11:23" (2/3) ... [2024-10-15 00:11:23,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20e1710b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:11:23, skipping insertion in model container [2024-10-15 00:11:23,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:11:23,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:23" (3/3) ... [2024-10-15 00:11:23,829 INFO L332 chiAutomizerObserver]: Analyzing ICFG McCarthyIterative.c [2024-10-15 00:11:23,902 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:11:23,902 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:11:23,902 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:11:23,902 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:11:23,902 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:11:23,902 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:11:23,902 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:11:23,903 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:11:23,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-10-15 00:11:23,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:23,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:23,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:23,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:23,925 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:23,925 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:11:23,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-10-15 00:11:23,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:23,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:23,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:23,928 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:23,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:23,937 INFO L745 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 2#L12-2true [2024-10-15 00:11:23,937 INFO L747 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~c~0#1 > 0); 8#L12true assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2#L12-2true [2024-10-15 00:11:23,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:23,943 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-15 00:11:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568176416] [2024-10-15 00:11:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:24,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:24,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:24,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:24,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-10-15 00:11:24,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:24,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667205452] [2024-10-15 00:11:24,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:24,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:24,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:24,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:24,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:24,098 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-15 00:11:24,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:24,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170904718] [2024-10-15 00:11:24,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:24,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:24,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:24,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:24,251 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:24,252 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:24,253 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:24,253 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:24,253 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:24,253 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,253 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:24,253 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:24,253 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration1_Loop [2024-10-15 00:11:24,253 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:24,254 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:24,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,420 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:24,421 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,427 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) [2024-10-15 00:11:24,429 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 [2024-10-15 00:11:24,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:24,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:24,464 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:24,465 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: [] [2024-10-15 00:11:24,484 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 [2024-10-15 00:11:24,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,488 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) [2024-10-15 00:11:24,490 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 [2024-10-15 00:11:24,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:24,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:24,514 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:24,515 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: [] [2024-10-15 00:11:24,527 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 [2024-10-15 00:11:24,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,529 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) [2024-10-15 00:11:24,530 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 [2024-10-15 00:11:24,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:24,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:24,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:24,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,573 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) [2024-10-15 00:11:24,576 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 [2024-10-15 00:11:24,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:24,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:24,607 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:24,607 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=1} Honda state: {ULTIMATE.start_main_~c~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~c~0#1=1}, {ULTIMATE.start_main_~c~0#1=0}] Lambdas: [0, 1, 5] Nus: [0, 0] [2024-10-15 00:11:24,621 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 [2024-10-15 00:11:24,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,623 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) [2024-10-15 00:11:24,624 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 [2024-10-15 00:11:24,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:24,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:24,656 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 [2024-10-15 00:11:24,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,661 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) [2024-10-15 00:11:24,663 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 [2024-10-15 00:11:24,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:24,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:24,709 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:24,715 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 [2024-10-15 00:11:24,715 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:24,716 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:24,716 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:24,716 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:24,716 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:24,716 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,716 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:24,716 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:24,716 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration1_Loop [2024-10-15 00:11:24,716 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:24,717 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:24,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:24,809 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:24,815 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:24,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,819 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) [2024-10-15 00:11:24,821 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 [2024-10-15 00:11:24,823 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 [2024-10-15 00:11:24,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:24,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:24,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:24,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:24,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:24,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:24,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:24,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,875 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) [2024-10-15 00:11:24,876 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 [2024-10-15 00:11:24,877 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 [2024-10-15 00:11:24,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:24,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:24,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:24,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:24,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:24,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:24,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:24,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:24,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,919 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) [2024-10-15 00:11:24,920 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 [2024-10-15 00:11:24,921 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 [2024-10-15 00:11:24,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:24,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:24,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:24,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:24,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:24,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:24,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:24,937 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:24,949 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 [2024-10-15 00:11:24,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,951 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) [2024-10-15 00:11:24,952 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 [2024-10-15 00:11:24,953 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 [2024-10-15 00:11:24,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:24,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:24,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:24,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:24,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:24,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:24,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:24,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:24,973 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:24,973 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:24,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:24,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:24,997 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) [2024-10-15 00:11:24,998 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 [2024-10-15 00:11:25,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:25,000 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:25,000 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:25,001 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 211 Supporting invariants [] [2024-10-15 00:11:25,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-15 00:11:25,024 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:25,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:25,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:25,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:25,097 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:25,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:25,138 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-15 00:11:25,140 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-10-15 00:11:25,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 20 states and 28 transitions. Complement of second has 6 states. [2024-10-15 00:11:25,178 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 [2024-10-15 00:11:25,183 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) [2024-10-15 00:11:25,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-10-15 00:11:25,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-15 00:11:25,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:25,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-15 00:11:25,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:25,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-15 00:11:25,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:25,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2024-10-15 00:11:25,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:25,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2024-10-15 00:11:25,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-15 00:11:25,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-15 00:11:25,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-10-15 00:11:25,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:25,193 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-15 00:11:25,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-10-15 00:11:25,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-15 00:11:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-10-15 00:11:25,221 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-15 00:11:25,221 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-15 00:11:25,221 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:11:25,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-10-15 00:11:25,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:25,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:25,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:25,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-15 00:11:25,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:25,223 INFO L745 eck$LassoCheckResult]: Stem: 68#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 69#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 70#L12-2 assume !!(main_~c~0#1 > 0); 67#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 63#L12-2 [2024-10-15 00:11:25,223 INFO L747 eck$LassoCheckResult]: Loop: 63#L12-2 assume !!(main_~c~0#1 > 0); 64#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 63#L12-2 [2024-10-15 00:11:25,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:25,224 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-15 00:11:25,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:25,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69947040] [2024-10-15 00:11:25,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:25,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:25,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:25,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:25,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-10-15 00:11:25,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:25,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889842803] [2024-10-15 00:11:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:25,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:25,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:25,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:25,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-10-15 00:11:25,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:25,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231100887] [2024-10-15 00:11:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:25,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:11:25,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231100887] [2024-10-15 00:11:25,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231100887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:11:25,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:11:25,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:11:25,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702464223] [2024-10-15 00:11:25,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:11:25,401 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:25,402 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:25,402 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:25,402 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:25,402 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:25,402 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,402 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:25,402 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:25,402 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration2_Loop [2024-10-15 00:11:25,402 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:25,402 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:25,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,478 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:25,478 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,480 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) [2024-10-15 00:11:25,482 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 [2024-10-15 00:11:25,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:25,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:25,510 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:25,510 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: [] [2024-10-15 00:11:25,528 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 [2024-10-15 00:11:25,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,530 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) [2024-10-15 00:11:25,532 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 [2024-10-15 00:11:25,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:25,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:25,558 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:25,559 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: [] [2024-10-15 00:11:25,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-15 00:11:25,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,577 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) [2024-10-15 00:11:25,580 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 [2024-10-15 00:11:25,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:25,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:25,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,615 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) [2024-10-15 00:11:25,651 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 [2024-10-15 00:11:25,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:25,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:25,679 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 [2024-10-15 00:11:25,748 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:25,748 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=1} Honda state: {ULTIMATE.start_main_~c~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~c~0#1=1}, {ULTIMATE.start_main_~c~0#1=0}] Lambdas: [0, 1, 5] Nus: [0, 0] [2024-10-15 00:11:25,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:25,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,767 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) [2024-10-15 00:11:25,768 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 [2024-10-15 00:11:25,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:25,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:25,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-15 00:11:25,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,809 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) [2024-10-15 00:11:25,811 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 [2024-10-15 00:11:25,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:25,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:25,849 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:25,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-15 00:11:25,856 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:25,856 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:25,856 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:25,856 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:25,856 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:25,857 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,857 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:25,857 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:25,857 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration2_Loop [2024-10-15 00:11:25,857 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:25,857 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:25,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:25,931 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:25,932 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:25,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,934 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) [2024-10-15 00:11:25,936 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 [2024-10-15 00:11:25,937 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 [2024-10-15 00:11:25,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:25,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:25,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:25,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:25,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:25,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:25,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:25,970 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 [2024-10-15 00:11:25,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:25,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:25,973 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) [2024-10-15 00:11:25,974 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 [2024-10-15 00:11:25,975 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 [2024-10-15 00:11:25,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:25,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:25,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:25,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:25,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:25,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:25,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:26,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:26,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,012 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) [2024-10-15 00:11:26,013 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 [2024-10-15 00:11:26,017 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 [2024-10-15 00:11:26,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:26,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:26,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:26,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:26,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:26,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:26,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:26,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:26,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:26,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,059 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) [2024-10-15 00:11:26,061 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 [2024-10-15 00:11:26,062 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 [2024-10-15 00:11:26,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:26,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:26,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:26,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:26,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:26,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:26,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:26,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:26,087 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:26,088 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:26,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,090 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) [2024-10-15 00:11:26,091 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 [2024-10-15 00:11:26,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:26,092 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:26,092 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:26,093 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 211 Supporting invariants [] [2024-10-15 00:11:26,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-15 00:11:26,109 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:26,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:26,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:26,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:26,162 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:26,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:26,169 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-15 00:11:26,169 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:26,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-10-15 00:11:26,184 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 [2024-10-15 00:11:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-10-15 00:11:26,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-15 00:11:26,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:26,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-15 00:11:26,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:26,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-15 00:11:26,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:26,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-10-15 00:11:26,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:26,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-10-15 00:11:26,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-15 00:11:26,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-15 00:11:26,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-10-15 00:11:26,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:26,190 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-10-15 00:11:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-10-15 00:11:26,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-15 00:11:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 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) [2024-10-15 00:11:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-10-15 00:11:26,193 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-10-15 00:11:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:11:26,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:11:26,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:11:26,199 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. 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) [2024-10-15 00:11:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:11:26,223 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2024-10-15 00:11:26,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-10-15 00:11:26,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:26,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 17 transitions. [2024-10-15 00:11:26,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-15 00:11:26,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-15 00:11:26,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-10-15 00:11:26,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:26,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-15 00:11:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-10-15 00:11:26,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-10-15 00:11:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2024-10-15 00:11:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-10-15 00:11:26,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-10-15 00:11:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:11:26,232 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-10-15 00:11:26,233 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:11:26,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-10-15 00:11:26,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-15 00:11:26,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:26,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:26,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1] [2024-10-15 00:11:26,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:26,236 INFO L745 eck$LassoCheckResult]: Stem: 154#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 155#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 149#L12-2 assume !!(main_~c~0#1 > 0); 150#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 160#L12-2 assume !!(main_~c~0#1 > 0); 156#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 157#L12-2 assume !!(main_~c~0#1 > 0); 152#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 159#L12-2 [2024-10-15 00:11:26,236 INFO L747 eck$LassoCheckResult]: Loop: 159#L12-2 assume !!(main_~c~0#1 > 0); 158#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 159#L12-2 [2024-10-15 00:11:26,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:26,237 INFO L85 PathProgramCache]: Analyzing trace with hash 297591406, now seen corresponding path program 2 times [2024-10-15 00:11:26,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:26,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342160005] [2024-10-15 00:11:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:26,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:26,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:26,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:26,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2024-10-15 00:11:26,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:26,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627715596] [2024-10-15 00:11:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:26,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:26,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:26,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1777467309, now seen corresponding path program 3 times [2024-10-15 00:11:26,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:26,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418128606] [2024-10-15 00:11:26,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:26,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-15 00:11:26,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:11:26,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418128606] [2024-10-15 00:11:26,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418128606] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:11:26,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805089694] [2024-10-15 00:11:26,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-15 00:11:26,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:11:26,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,405 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:11:26,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-15 00:11:26,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-15 00:11:26,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:11:26,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:11:26,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-15 00:11:26,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:11:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-15 00:11:26,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805089694] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:11:26,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:11:26,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-10-15 00:11:26,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408579586] [2024-10-15 00:11:26,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:11:26,547 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:26,548 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:26,548 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:26,548 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:26,548 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:26,548 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,548 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:26,548 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:26,549 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration3_Loop [2024-10-15 00:11:26,549 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:26,549 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:26,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,611 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:26,611 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:26,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,614 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) [2024-10-15 00:11:26,616 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 [2024-10-15 00:11:26,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:26,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:26,643 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:26,643 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:26,659 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 [2024-10-15 00:11:26,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,662 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) [2024-10-15 00:11:26,665 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 [2024-10-15 00:11:26,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:26,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:26,700 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 [2024-10-15 00:11:26,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,702 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) [2024-10-15 00:11:26,704 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 [2024-10-15 00:11:26,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:26,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:26,735 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:26,736 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=1} Honda state: {ULTIMATE.start_main_~c~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~c~0#1=1}, {ULTIMATE.start_main_~c~0#1=0}] Lambdas: [0, 1, 5] Nus: [0, 0] [2024-10-15 00:11:26,752 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 [2024-10-15 00:11:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,754 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) [2024-10-15 00:11:26,756 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 [2024-10-15 00:11:26,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:26,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:26,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-15 00:11:26,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,793 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) [2024-10-15 00:11:26,793 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 [2024-10-15 00:11:26,794 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:26,794 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:26,831 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:26,836 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 [2024-10-15 00:11:26,837 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:26,837 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:26,837 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:26,837 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:26,837 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:26,837 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,837 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:26,837 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:26,837 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration3_Loop [2024-10-15 00:11:26,837 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:26,837 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:26,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:26,915 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:26,915 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,918 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) [2024-10-15 00:11:26,920 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 [2024-10-15 00:11:26,920 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 [2024-10-15 00:11:26,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:26,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:26,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:26,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:26,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:26,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:26,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:26,956 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 [2024-10-15 00:11:26,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,959 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) [2024-10-15 00:11:26,960 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 [2024-10-15 00:11:26,961 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 [2024-10-15 00:11:26,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:26,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:26,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:26,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:26,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:26,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:26,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:26,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:26,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-15 00:11:26,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:26,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:26,996 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) [2024-10-15 00:11:26,999 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 [2024-10-15 00:11:27,002 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 [2024-10-15 00:11:27,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:27,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:27,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:27,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:27,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:27,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:27,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:27,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:27,025 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:27,025 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:27,029 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) [2024-10-15 00:11:27,033 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 [2024-10-15 00:11:27,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:27,034 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:27,034 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:27,034 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 211 Supporting invariants [] [2024-10-15 00:11:27,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:27,051 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:27,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,098 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:27,102 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-15 00:11:27,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 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) [2024-10-15 00:11:27,111 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. 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 14 states and 20 transitions. Complement of second has 5 states. [2024-10-15 00:11:27,111 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 [2024-10-15 00:11:27,112 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) [2024-10-15 00:11:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-10-15 00:11:27,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-15 00:11:27,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,113 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:27,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,149 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:27,157 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-15 00:11:27,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 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) [2024-10-15 00:11:27,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. 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 14 states and 20 transitions. Complement of second has 5 states. [2024-10-15 00:11:27,166 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 [2024-10-15 00:11:27,167 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) [2024-10-15 00:11:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-10-15 00:11:27,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-15 00:11:27,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,168 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:27,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,210 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:27,213 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 1 loop predicates [2024-10-15 00:11:27,213 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 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) [2024-10-15 00:11:27,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. 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 16 states and 23 transitions. Complement of second has 4 states. [2024-10-15 00:11:27,224 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 [2024-10-15 00:11:27,225 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) [2024-10-15 00:11:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-15 00:11:27,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-15 00:11:27,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 10 letters. Loop has 2 letters. [2024-10-15 00:11:27,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2024-10-15 00:11:27,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2024-10-15 00:11:27,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:11:27,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 19 transitions. [2024-10-15 00:11:27,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-15 00:11:27,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-15 00:11:27,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-10-15 00:11:27,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:27,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-15 00:11:27,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-10-15 00:11:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 7. [2024-10-15 00:11:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2024-10-15 00:11:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-10-15 00:11:27,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-10-15 00:11:27,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:11:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:11:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:11:27,233 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-10-15 00:11:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:11:27,250 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2024-10-15 00:11:27,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-10-15 00:11:27,251 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-15 00:11:27,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2024-10-15 00:11:27,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-15 00:11:27,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-15 00:11:27,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2024-10-15 00:11:27,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:27,252 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-10-15 00:11:27,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2024-10-15 00:11:27,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2024-10-15 00:11:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2024-10-15 00:11:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-10-15 00:11:27,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-15 00:11:27,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:11:27,255 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-15 00:11:27,255 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:11:27,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-10-15 00:11:27,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-15 00:11:27,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:27,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:27,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:11:27,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-10-15 00:11:27,256 INFO L745 eck$LassoCheckResult]: Stem: 404#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 405#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 399#L12-2 [2024-10-15 00:11:27,256 INFO L747 eck$LassoCheckResult]: Loop: 399#L12-2 assume !!(main_~c~0#1 > 0); 400#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 408#L12-2 assume !!(main_~c~0#1 > 0); 406#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 399#L12-2 [2024-10-15 00:11:27,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-15 00:11:27,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:27,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426947978] [2024-10-15 00:11:27,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:27,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:27,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1266953, now seen corresponding path program 1 times [2024-10-15 00:11:27,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:27,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45234329] [2024-10-15 00:11:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:27,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:27,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash 889694155, now seen corresponding path program 4 times [2024-10-15 00:11:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:27,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886143223] [2024-10-15 00:11:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:27,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:27,363 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:27,364 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:27,364 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:27,364 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:27,364 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:27,364 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,364 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:27,364 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:27,364 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration4_Loop [2024-10-15 00:11:27,364 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:27,364 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:27,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-15 00:11:27,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-15 00:11:27,463 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:27,463 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:27,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:27,465 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) [2024-10-15 00:11:27,472 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 [2024-10-15 00:11:27,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:27,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:27,497 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:27,498 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:27,515 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 [2024-10-15 00:11:27,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:27,518 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) [2024-10-15 00:11:27,519 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 [2024-10-15 00:11:27,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:27,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:27,545 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 [2024-10-15 00:11:27,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:27,547 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) [2024-10-15 00:11:27,548 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 [2024-10-15 00:11:27,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:27,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:27,588 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:27,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:27,593 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:27,593 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:27,594 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:27,594 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:27,594 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:27,594 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,594 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:27,594 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:27,594 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration4_Loop [2024-10-15 00:11:27,594 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:27,594 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:27,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,664 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:27,664 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:27,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:27,668 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) [2024-10-15 00:11:27,669 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 [2024-10-15 00:11:27,670 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 [2024-10-15 00:11:27,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:27,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:27,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:27,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:27,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:27,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:27,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:27,689 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:27,693 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:27,693 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:27,696 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) [2024-10-15 00:11:27,698 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 [2024-10-15 00:11:27,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:27,699 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:27,699 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:27,699 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 201 Supporting invariants [] [2024-10-15 00:11:27,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-15 00:11:27,718 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:27,790 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 [2024-10-15 00:11:27,790 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:27,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 27 transitions. Complement of second has 5 states. [2024-10-15 00:11:27,799 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 [2024-10-15 00:11:27,801 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) [2024-10-15 00:11:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2024-10-15 00:11:27,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-15 00:11:27,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,803 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:27,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:27,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:11:27,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:27,859 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 [2024-10-15 00:11:27,860 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:27,881 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 33 transitions. Complement of second has 7 states. [2024-10-15 00:11:27,884 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 [2024-10-15 00:11:27,884 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) [2024-10-15 00:11:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-10-15 00:11:27,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-15 00:11:27,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-15 00:11:27,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2024-10-15 00:11:27,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:27,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-10-15 00:11:27,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:11:27,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2024-10-15 00:11:27,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-15 00:11:27,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-15 00:11:27,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2024-10-15 00:11:27,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:27,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-10-15 00:11:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2024-10-15 00:11:27,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2024-10-15 00:11:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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) [2024-10-15 00:11:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-15 00:11:27,891 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-15 00:11:27,892 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-15 00:11:27,892 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 00:11:27,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-15 00:11:27,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:11:27,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:27,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:27,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1] [2024-10-15 00:11:27,893 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:11:27,893 INFO L745 eck$LassoCheckResult]: Stem: 522#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 523#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 519#L12-2 assume !!(main_~c~0#1 > 0); 520#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 526#L12-2 assume !!(main_~c~0#1 > 0); 529#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 532#L12-2 assume !!(main_~c~0#1 > 0); 531#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 528#L12-2 assume !!(main_~c~0#1 > 0); 524#L12 [2024-10-15 00:11:27,893 INFO L747 eck$LassoCheckResult]: Loop: 524#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 525#L12-2 assume !!(main_~c~0#1 > 0); 524#L12 [2024-10-15 00:11:27,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 635458587, now seen corresponding path program 5 times [2024-10-15 00:11:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:27,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321580876] [2024-10-15 00:11:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:27,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-10-15 00:11:27,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:27,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885114704] [2024-10-15 00:11:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:27,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:27,932 INFO L85 PathProgramCache]: Analyzing trace with hash 790346520, now seen corresponding path program 6 times [2024-10-15 00:11:27,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:27,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357746041] [2024-10-15 00:11:27,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:27,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:27,990 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:27,990 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:27,990 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:27,990 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:27,991 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:27,991 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:27,991 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:27,991 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:27,991 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration5_Loop [2024-10-15 00:11:27,991 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:27,991 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:27,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:27,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,054 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:28,054 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:28,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,056 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) [2024-10-15 00:11:28,057 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 [2024-10-15 00:11:28,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:28,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,092 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 [2024-10-15 00:11:28,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,094 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) [2024-10-15 00:11:28,097 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 [2024-10-15 00:11:28,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:28,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,135 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:28,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:28,141 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:28,141 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:28,141 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:28,141 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:28,141 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:28,141 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,141 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:28,141 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:28,141 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration5_Loop [2024-10-15 00:11:28,142 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:28,142 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:28,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,205 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:28,206 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:28,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,208 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) [2024-10-15 00:11:28,210 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 [2024-10-15 00:11:28,211 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 [2024-10-15 00:11:28,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:28,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:28,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:28,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:28,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:28,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:28,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:28,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:28,229 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:28,229 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:11:28,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,231 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) [2024-10-15 00:11:28,231 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 [2024-10-15 00:11:28,232 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:28,232 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:28,232 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:28,232 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 [] [2024-10-15 00:11:28,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:28,244 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:28,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,284 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:28,300 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 [2024-10-15 00:11:28,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 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) [2024-10-15 00:11:28,304 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. 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 16 states and 21 transitions. Complement of second has 3 states. [2024-10-15 00:11:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:28,305 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) [2024-10-15 00:11:28,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-15 00:11:28,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-15 00:11:28,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:28,306 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:28,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,341 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:28,358 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 [2024-10-15 00:11:28,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 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) [2024-10-15 00:11:28,363 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. 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 16 states and 21 transitions. Complement of second has 3 states. [2024-10-15 00:11:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:28,364 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) [2024-10-15 00:11:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-15 00:11:28,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-15 00:11:28,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:28,365 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:28,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,408 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:28,425 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 [2024-10-15 00:11:28,425 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 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) [2024-10-15 00:11:28,432 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. 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 25 states and 30 transitions. Complement of second has 4 states. [2024-10-15 00:11:28,432 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 [2024-10-15 00:11:28,433 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) [2024-10-15 00:11:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-10-15 00:11:28,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-15 00:11:28,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:28,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-15 00:11:28,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:28,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-15 00:11:28,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:28,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2024-10-15 00:11:28,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:11:28,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 25 transitions. [2024-10-15 00:11:28,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-15 00:11:28,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-15 00:11:28,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2024-10-15 00:11:28,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:28,436 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-10-15 00:11:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2024-10-15 00:11:28,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2024-10-15 00:11:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-10-15 00:11:28,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-15 00:11:28,438 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-15 00:11:28,438 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-15 00:11:28,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-10-15 00:11:28,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-15 00:11:28,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:28,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:28,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1] [2024-10-15 00:11:28,439 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-10-15 00:11:28,439 INFO L745 eck$LassoCheckResult]: Stem: 716#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 717#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 713#L12-2 assume !!(main_~c~0#1 > 0); 714#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 728#L12-2 assume !!(main_~c~0#1 > 0); 722#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 726#L12-2 assume !!(main_~c~0#1 > 0); 725#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 721#L12-2 assume !!(main_~c~0#1 > 0); 718#L12 [2024-10-15 00:11:28,439 INFO L747 eck$LassoCheckResult]: Loop: 718#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 719#L12-2 assume !!(main_~c~0#1 > 0); 723#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 724#L12-2 assume !!(main_~c~0#1 > 0); 718#L12 [2024-10-15 00:11:28,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,440 INFO L85 PathProgramCache]: Analyzing trace with hash 635458587, now seen corresponding path program 7 times [2024-10-15 00:11:28,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:28,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047171453] [2024-10-15 00:11:28,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:28,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:28,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:28,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2024-10-15 00:11:28,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:28,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973270435] [2024-10-15 00:11:28,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:28,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:28,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:28,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:28,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,470 INFO L85 PathProgramCache]: Analyzing trace with hash -686205165, now seen corresponding path program 8 times [2024-10-15 00:11:28,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:28,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513004112] [2024-10-15 00:11:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:28,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:28,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:28,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:28,527 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:28,527 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:28,527 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:28,527 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:28,527 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:28,527 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,527 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:28,528 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:28,528 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration6_Loop [2024-10-15 00:11:28,528 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:28,528 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:28,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,588 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:28,588 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:28,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,594 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) [2024-10-15 00:11:28,595 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 [2024-10-15 00:11:28,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:28,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,615 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:28,615 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=2} Honda state: {ULTIMATE.start_main_~c~0#1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:28,626 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 [2024-10-15 00:11:28,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,628 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) [2024-10-15 00:11:28,629 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 [2024-10-15 00:11:28,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:28,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,649 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:28,650 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: [] [2024-10-15 00:11:28,661 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 [2024-10-15 00:11:28,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,663 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) [2024-10-15 00:11:28,664 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 [2024-10-15 00:11:28,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:28,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,683 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:28,683 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: [] [2024-10-15 00:11:28,699 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 [2024-10-15 00:11:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,702 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) [2024-10-15 00:11:28,706 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 [2024-10-15 00:11:28,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:28,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:28,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,738 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) [2024-10-15 00:11:28,741 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 [2024-10-15 00:11:28,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:28,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:28,757 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:28,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:28,773 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:28,773 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:28,774 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:28,774 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:28,774 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:28,774 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,774 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:28,774 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:28,774 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration6_Loop [2024-10-15 00:11:28,774 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:28,774 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:28,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:28,829 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:28,829 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:28,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,832 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) [2024-10-15 00:11:28,833 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 [2024-10-15 00:11:28,834 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 [2024-10-15 00:11:28,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:28,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:28,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:28,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:28,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:28,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:28,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:28,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:28,861 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 [2024-10-15 00:11:28,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,863 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) [2024-10-15 00:11:28,864 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 [2024-10-15 00:11:28,865 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 [2024-10-15 00:11:28,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:28,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:28,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:28,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:28,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:28,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:28,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:28,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:28,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,898 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) [2024-10-15 00:11:28,899 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 [2024-10-15 00:11:28,900 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 [2024-10-15 00:11:28,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:28,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:28,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:28,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:28,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:28,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:28,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:28,920 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:28,923 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:11:28,924 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:28,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:28,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:28,926 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) [2024-10-15 00:11:28,928 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 [2024-10-15 00:11:28,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:28,929 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:28,929 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:28,929 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~x~0#1 + 221 Supporting invariants [] [2024-10-15 00:11:28,945 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 [2024-10-15 00:11:28,946 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:28,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:28,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:11:28,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:29,020 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 [2024-10-15 00:11:29,020 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-15 00:11:29,043 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 27 states and 33 transitions. Complement of second has 7 states. [2024-10-15 00:11:29,045 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 [2024-10-15 00:11:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-15 00:11:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-10-15 00:11:29,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-15 00:11:29,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,047 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:29,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-15 00:11:29,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:29,156 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 [2024-10-15 00:11:29,156 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-15 00:11:29,178 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 [2024-10-15 00:11:29,187 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 26 states and 33 transitions. Complement of second has 7 states. [2024-10-15 00:11:29,188 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 [2024-10-15 00:11:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-15 00:11:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-15 00:11:29,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-15 00:11:29,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,189 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:29,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:29,253 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 [2024-10-15 00:11:29,253 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-15 00:11:29,278 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 42 states and 53 transitions. Complement of second has 8 states. [2024-10-15 00:11:29,282 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 [2024-10-15 00:11:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-15 00:11:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-15 00:11:29,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-15 00:11:29,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 13 letters. Loop has 4 letters. [2024-10-15 00:11:29,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 8 letters. [2024-10-15 00:11:29,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2024-10-15 00:11:29,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-10-15 00:11:29,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 31 states and 40 transitions. [2024-10-15 00:11:29,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-15 00:11:29,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-15 00:11:29,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2024-10-15 00:11:29,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:29,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-10-15 00:11:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2024-10-15 00:11:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2024-10-15 00:11:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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) [2024-10-15 00:11:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2024-10-15 00:11:29,291 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-10-15 00:11:29,291 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-10-15 00:11:29,291 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-15 00:11:29,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2024-10-15 00:11:29,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-15 00:11:29,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:29,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:29,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 3, 3, 1, 1] [2024-10-15 00:11:29,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 3, 2] [2024-10-15 00:11:29,294 INFO L745 eck$LassoCheckResult]: Stem: 988#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 989#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 990#L12-2 assume !!(main_~c~0#1 > 0); 999#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 1000#L12-2 assume !!(main_~c~0#1 > 0); 996#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 995#L12-2 assume !!(main_~c~0#1 > 0); 994#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 984#L12-2 assume !!(main_~c~0#1 > 0); 985#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 992#L12-2 assume !!(main_~c~0#1 > 0); 1007#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 1006#L12-2 assume !!(main_~c~0#1 > 0); 1004#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 1003#L12-2 assume !!(main_~c~0#1 > 0); 1005#L12 [2024-10-15 00:11:29,294 INFO L747 eck$LassoCheckResult]: Loop: 1005#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 986#L12-2 assume !!(main_~c~0#1 > 0); 987#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 1008#L12-2 assume !!(main_~c~0#1 > 0); 993#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 992#L12-2 assume !!(main_~c~0#1 > 0); 1007#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 1006#L12-2 assume !!(main_~c~0#1 > 0); 1004#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 1003#L12-2 assume !!(main_~c~0#1 > 0); 1005#L12 [2024-10-15 00:11:29,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:29,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1981740944, now seen corresponding path program 9 times [2024-10-15 00:11:29,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:29,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460166833] [2024-10-15 00:11:29,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:29,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,377 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-15 00:11:29,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:11:29,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460166833] [2024-10-15 00:11:29,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460166833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:11:29,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:11:29,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 00:11:29,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363980366] [2024-10-15 00:11:29,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:11:29,378 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:11:29,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:29,379 INFO L85 PathProgramCache]: Analyzing trace with hash 743859438, now seen corresponding path program 3 times [2024-10-15 00:11:29,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:29,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956070617] [2024-10-15 00:11:29,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:29,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:29,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:29,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:29,487 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:29,487 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:29,487 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:29,487 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:29,487 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:29,487 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:29,487 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:29,488 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:29,488 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration7_Loop [2024-10-15 00:11:29,488 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:29,488 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:29,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,548 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:29,549 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:29,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:29,551 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) [2024-10-15 00:11:29,553 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 [2024-10-15 00:11:29,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:29,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:29,596 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 [2024-10-15 00:11:29,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:29,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:29,600 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) [2024-10-15 00:11:29,601 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 [2024-10-15 00:11:29,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:29,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:29,622 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:29,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:29,638 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:29,639 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:29,639 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:29,639 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:29,639 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:29,639 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:29,639 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:29,639 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:29,639 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration7_Loop [2024-10-15 00:11:29,639 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:29,639 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:29,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:29,697 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:29,698 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:29,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:29,700 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) [2024-10-15 00:11:29,701 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 [2024-10-15 00:11:29,704 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 [2024-10-15 00:11:29,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:29,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:29,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:29,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:29,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:29,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:29,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:29,721 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:29,723 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-15 00:11:29,724 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:29,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:29,725 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) [2024-10-15 00:11:29,727 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 [2024-10-15 00:11:29,728 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:29,728 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:29,728 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:29,728 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 [] [2024-10-15 00:11:29,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:29,740 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:29,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:29,865 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:29,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:29,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 27 states and 36 transitions. Complement of second has 3 states. [2024-10-15 00:11:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-15 00:11:29,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 15 letters. Loop has 10 letters. [2024-10-15 00:11:29,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,873 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:29,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:29,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:11:29,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:29,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:29,987 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:29,987 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:29,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 27 states and 36 transitions. Complement of second has 3 states. [2024-10-15 00:11:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-15 00:11:29,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 15 letters. Loop has 10 letters. [2024-10-15 00:11:29,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:29,999 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:30,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:30,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:11:30,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:30,138 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 6 loop predicates [2024-10-15 00:11:30,139 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:30,159 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 45 states and 55 transitions. Complement of second has 4 states. [2024-10-15 00:11:30,159 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 [2024-10-15 00:11:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-10-15 00:11:30,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 15 letters. Loop has 10 letters. [2024-10-15 00:11:30,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:30,161 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:30,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:30,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:11:30,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:30,277 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:30,277 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:30,332 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 174 states and 230 transitions. Complement of second has 28 states. [2024-10-15 00:11:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2024-10-15 00:11:30,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 15 letters. Loop has 10 letters. [2024-10-15 00:11:30,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:30,334 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:30,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:30,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:11:30,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:30,455 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 [2024-10-15 00:11:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:11:30,495 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:30,496 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:30,582 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,583 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,625 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,625 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,625 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,626 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,671 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,672 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,681 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,681 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,682 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,682 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:30,682 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:30,683 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,696 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,696 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,703 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,703 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,706 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,706 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,717 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,717 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,727 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,727 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,727 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,728 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,733 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,733 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,733 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,734 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,734 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:30,736 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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 1222 states and 2113 transitions. Complement of second has 244 states 16 powerset states228 rank states. The highest rank that occured is 9 [2024-10-15 00:11:30,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-15 00:11:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 41 transitions. [2024-10-15 00:11:30,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 15 letters. Loop has 10 letters. [2024-10-15 00:11:30,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:30,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 25 letters. Loop has 10 letters. [2024-10-15 00:11:30,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:30,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 15 letters. Loop has 20 letters. [2024-10-15 00:11:30,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:30,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1222 states and 2113 transitions. [2024-10-15 00:11:30,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2024-10-15 00:11:30,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1222 states to 701 states and 1261 transitions. [2024-10-15 00:11:30,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2024-10-15 00:11:30,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 258 [2024-10-15 00:11:30,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 701 states and 1261 transitions. [2024-10-15 00:11:30,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:30,783 INFO L218 hiAutomatonCegarLoop]: Abstraction has 701 states and 1261 transitions. [2024-10-15 00:11:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states and 1261 transitions. [2024-10-15 00:11:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 179. [2024-10-15 00:11:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.8603351955307263) internal successors, (333), 178 states have internal predecessors, (333), 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) [2024-10-15 00:11:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 333 transitions. [2024-10-15 00:11:30,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 179 states and 333 transitions. [2024-10-15 00:11:30,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:11:30,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:11:30,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:11:30,821 INFO L87 Difference]: Start difference. First operand 179 states and 333 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-15 00:11:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:11:30,840 INFO L93 Difference]: Finished difference Result 201 states and 351 transitions. [2024-10-15 00:11:30,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 351 transitions. [2024-10-15 00:11:30,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2024-10-15 00:11:30,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 188 states and 321 transitions. [2024-10-15 00:11:30,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2024-10-15 00:11:30,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2024-10-15 00:11:30,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 321 transitions. [2024-10-15 00:11:30,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:30,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 188 states and 321 transitions. [2024-10-15 00:11:30,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 321 transitions. [2024-10-15 00:11:30,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 171. [2024-10-15 00:11:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.736842105263158) internal successors, (297), 170 states have internal predecessors, (297), 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) [2024-10-15 00:11:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 297 transitions. [2024-10-15 00:11:30,853 INFO L240 hiAutomatonCegarLoop]: Abstraction has 171 states and 297 transitions. [2024-10-15 00:11:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 00:11:30,855 INFO L425 stractBuchiCegarLoop]: Abstraction has 171 states and 297 transitions. [2024-10-15 00:11:30,855 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-15 00:11:30,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 297 transitions. [2024-10-15 00:11:30,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2024-10-15 00:11:30,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:30,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:30,857 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 3, 2, 1, 1] [2024-10-15 00:11:30,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 2, 2] [2024-10-15 00:11:30,858 INFO L745 eck$LassoCheckResult]: Stem: 3590#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 3591#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 3661#L12-2 assume !!(main_~c~0#1 > 0); 3662#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3655#L12-2 assume !!(main_~c~0#1 > 0); 3651#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3649#L12-2 assume !!(main_~c~0#1 > 0); 3647#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3645#L12-2 assume !!(main_~c~0#1 > 0); 3643#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3641#L12-2 assume !!(main_~c~0#1 > 0); 3642#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3632#L12-2 assume !!(main_~c~0#1 > 0); 3604#L12 [2024-10-15 00:11:30,858 INFO L747 eck$LassoCheckResult]: Loop: 3604#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3603#L12-2 assume !!(main_~c~0#1 > 0); 3611#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3608#L12-2 assume !!(main_~c~0#1 > 0); 3606#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3597#L12-2 assume !!(main_~c~0#1 > 0); 3599#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3600#L12-2 assume !!(main_~c~0#1 > 0); 3604#L12 [2024-10-15 00:11:30,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash -686205165, now seen corresponding path program 10 times [2024-10-15 00:11:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:30,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995685398] [2024-10-15 00:11:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:30,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:30,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:30,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1593853071, now seen corresponding path program 4 times [2024-10-15 00:11:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:30,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226521670] [2024-10-15 00:11:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-15 00:11:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:11:30,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226521670] [2024-10-15 00:11:30,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226521670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:11:30,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:11:30,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:11:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684422106] [2024-10-15 00:11:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:11:30,913 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 00:11:30,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:11:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:11:30,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:11:30,914 INFO L87 Difference]: Start difference. First operand 171 states and 297 transitions. cyclomatic complexity: 134 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-10-15 00:11:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:11:30,933 INFO L93 Difference]: Finished difference Result 155 states and 226 transitions. [2024-10-15 00:11:30,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 226 transitions. [2024-10-15 00:11:30,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2024-10-15 00:11:30,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 54 states and 69 transitions. [2024-10-15 00:11:30,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-15 00:11:30,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:11:30,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 69 transitions. [2024-10-15 00:11:30,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:11:30,936 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 69 transitions. [2024-10-15 00:11:30,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 69 transitions. [2024-10-15 00:11:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 43. [2024-10-15 00:11:30,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 42 states have internal predecessors, (57), 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) [2024-10-15 00:11:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2024-10-15 00:11:30,938 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-10-15 00:11:30,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:11:30,939 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-10-15 00:11:30,939 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-15 00:11:30,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 57 transitions. [2024-10-15 00:11:30,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2024-10-15 00:11:30,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:11:30,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:11:30,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2024-10-15 00:11:30,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 6, 4] [2024-10-15 00:11:30,940 INFO L745 eck$LassoCheckResult]: Stem: 3924#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 3925#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := 1; 3922#L12-2 assume !!(main_~c~0#1 > 0); 3923#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3952#L12-2 assume !!(main_~c~0#1 > 0); 3950#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3951#L12-2 assume !!(main_~c~0#1 > 0); 3921#L12 [2024-10-15 00:11:30,940 INFO L747 eck$LassoCheckResult]: Loop: 3921#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3927#L12-2 assume !!(main_~c~0#1 > 0); 3947#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3946#L12-2 assume !!(main_~c~0#1 > 0); 3945#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3944#L12-2 assume !!(main_~c~0#1 > 0); 3943#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3942#L12-2 assume !!(main_~c~0#1 > 0); 3941#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3939#L12-2 assume !!(main_~c~0#1 > 0); 3936#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3938#L12-2 assume !!(main_~c~0#1 > 0); 3937#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3935#L12-2 assume !!(main_~c~0#1 > 0); 3931#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3932#L12-2 assume !!(main_~c~0#1 > 0); 3934#L12 assume main_~x~0#1 > 100;main_~x~0#1 := main_~x~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 3933#L12-2 assume !!(main_~c~0#1 > 0); 3930#L12 assume !(main_~x~0#1 > 100);main_~x~0#1 := 11 + main_~x~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3919#L12-2 assume !!(main_~c~0#1 > 0); 3921#L12 [2024-10-15 00:11:30,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715102, now seen corresponding path program 2 times [2024-10-15 00:11:30,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:30,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421738425] [2024-10-15 00:11:30,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:30,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:30,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:30,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:30,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash -860275429, now seen corresponding path program 5 times [2024-10-15 00:11:30,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:30,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112029507] [2024-10-15 00:11:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:30,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:11:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:11:30,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:11:30,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:30,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1172307576, now seen corresponding path program 11 times [2024-10-15 00:11:30,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:11:30,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535306405] [2024-10-15 00:11:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:11:30,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:11:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 105 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-15 00:11:31,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:11:31,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535306405] [2024-10-15 00:11:31,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535306405] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:11:31,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873275100] [2024-10-15 00:11:31,117 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-15 00:11:31,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:11:31,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,119 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:11:31,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-10-15 00:11:31,152 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-10-15 00:11:31,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:11:31,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-15 00:11:31,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 105 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-15 00:11:31,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:11:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 105 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-15 00:11:31,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873275100] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:11:31,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:11:31,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2024-10-15 00:11:31,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670418493] [2024-10-15 00:11:31,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:11:31,482 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:31,482 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:31,482 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:31,482 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:31,482 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:11:31,482 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,482 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:31,482 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:31,482 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration9_Loop [2024-10-15 00:11:31,482 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:31,482 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:31,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,560 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:31,560 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:11:31,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,562 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) [2024-10-15 00:11:31,563 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 [2024-10-15 00:11:31,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:31,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:31,582 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:31,583 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:31,594 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 [2024-10-15 00:11:31,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,595 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) [2024-10-15 00:11:31,596 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 [2024-10-15 00:11:31,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:31,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:31,615 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:11:31,615 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:11:31,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-15 00:11:31,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,628 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) [2024-10-15 00:11:31,629 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 [2024-10-15 00:11:31,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:11:31,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:31,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-15 00:11:31,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,657 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) [2024-10-15 00:11:31,658 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 [2024-10-15 00:11:31,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:11:31,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:11:31,688 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:11:31,693 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 [2024-10-15 00:11:31,694 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:11:31,694 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:11:31,694 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:11:31,694 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:11:31,694 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:11:31,694 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,694 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:11:31,694 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:11:31,694 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthyIterative.c_Iteration9_Loop [2024-10-15 00:11:31,694 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:11:31,694 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:11:31,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:11:31,761 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:11:31,762 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:11:31,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,765 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) [2024-10-15 00:11:31,766 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 [2024-10-15 00:11:31,766 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 [2024-10-15 00:11:31,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:31,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:31,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:31,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:31,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:11:31,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:11:31,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:11:31,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:31,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,797 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2024-10-15 00:11:31,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-15 00:11:31,799 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 [2024-10-15 00:11:31,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:11:31,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:11:31,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:11:31,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:11:31,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:11:31,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:11:31,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:11:31,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:11:31,814 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-15 00:11:31,814 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-15 00:11:31,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:11:31,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:11:31,815 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2024-10-15 00:11:31,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-15 00:11:31,817 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:11:31,817 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:11:31,817 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:11:31,817 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0#1) = 1*ULTIMATE.start_main_~c~0#1 Supporting invariants [] [2024-10-15 00:11:31,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-15 00:11:31,828 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:11:31,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:31,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:31,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:31,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-15 00:11:31,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-15 00:11:31,956 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:31,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:31,961 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 3 states. [2024-10-15 00:11:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-15 00:11:31,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 7 letters. Loop has 20 letters. [2024-10-15 00:11:31,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:31,962 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:31,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:31,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:31,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-15 00:11:32,090 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:32,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,094 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 3 states. [2024-10-15 00:11:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-10-15 00:11:32,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 7 letters. Loop has 20 letters. [2024-10-15 00:11:32,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:32,095 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:32,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-15 00:11:32,222 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 6 loop predicates [2024-10-15 00:11:32,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 78 transitions. Complement of second has 4 states. [2024-10-15 00:11:32,238 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 [2024-10-15 00:11:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-15 00:11:32,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 20 letters. [2024-10-15 00:11:32,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:32,239 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:32,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-15 00:11:32,359 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:32,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,377 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 57 transitions. cyclomatic complexity: 18. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 78 transitions. Complement of second has 4 states. [2024-10-15 00:11:32,377 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 [2024-10-15 00:11:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-15 00:11:32,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 20 letters. [2024-10-15 00:11:32,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:32,378 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-15 00:11:32,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:11:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:11:32,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-15 00:11:32,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:11:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-15 00:11:32,497 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-10-15 00:11:32,497 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 43 states and 57 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,553 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,553 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,566 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,567 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,580 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,580 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,584 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,584 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,584 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,584 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,609 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,610 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,610 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,610 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,614 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,614 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,615 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,615 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,621 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,622 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,622 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,623 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,623 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,623 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,626 WARN L278 uchiComplementFKVNwa]: big7 [2024-10-15 00:11:32,627 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,628 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,628 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,628 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,628 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,629 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,632 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,633 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,633 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,633 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,633 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,637 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,638 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,638 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,643 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,646 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,647 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,647 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,648 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,650 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,651 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,651 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,651 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,651 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,651 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,654 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,655 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,655 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,655 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,656 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,657 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,657 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,658 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,658 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,658 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,660 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,660 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,661 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,662 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,666 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,666 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,667 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,669 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,670 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,671 WARN L278 uchiComplementFKVNwa]: big7 [2024-10-15 00:11:32,671 WARN L278 uchiComplementFKVNwa]: big16 [2024-10-15 00:11:32,682 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,695 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,698 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,700 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,700 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,701 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,701 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,701 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-15 00:11:32,703 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,703 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,703 WARN L278 uchiComplementFKVNwa]: big8 [2024-10-15 00:11:32,707 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 43 states and 57 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2035 states and 3574 transitions. Complement of second has 430 states 13 powerset states417 rank states. The highest rank that occured is 9 [2024-10-15 00:11:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-10-15 00:11:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:11:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2024-10-15 00:11:32,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 7 letters. Loop has 20 letters. [2024-10-15 00:11:32,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:32,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 27 letters. Loop has 20 letters. [2024-10-15 00:11:32,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:32,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 7 letters. Loop has 40 letters. [2024-10-15 00:11:32,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:11:32,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2035 states and 3574 transitions. [2024-10-15 00:11:32,767 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:11:32,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2035 states to 0 states and 0 transitions. [2024-10-15 00:11:32,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:11:32,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:11:32,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:11:32,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:11:32,768 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:32,768 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:11:32,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-15 00:11:32,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2024-10-15 00:11:32,770 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 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) [2024-10-15 00:11:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:11:32,770 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-10-15 00:11:32,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-10-15 00:11:32,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:11:32,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 00:11:32,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:11:32,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:11:32,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:11:32,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:11:32,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:32,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-15 00:11:32,775 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:11:32,776 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-15 00:11:32,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:11:32,776 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:11:32,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:11:32,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:11:32 BoogieIcfgContainer [2024-10-15 00:11:32,784 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:11:32,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:11:32,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:11:32,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:11:32,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:11:23" (3/4) ... [2024-10-15 00:11:32,788 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:11:32,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:11:32,790 INFO L158 Benchmark]: Toolchain (without parser) took 9460.42ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 73.3MB in the beginning and 129.4MB in the end (delta: -56.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-15 00:11:32,790 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 127.9MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:32,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.90ms. Allocated memory is still 127.9MB. Free memory was 72.9MB in the beginning and 62.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 00:11:32,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.71ms. Allocated memory is still 127.9MB. Free memory was 62.8MB in the beginning and 61.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:32,791 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 127.9MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:11:32,791 INFO L158 Benchmark]: RCFGBuilder took 211.28ms. Allocated memory is still 127.9MB. Free memory was 59.9MB in the beginning and 51.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 00:11:32,791 INFO L158 Benchmark]: BuchiAutomizer took 8962.60ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 51.2MB in the beginning and 129.4MB in the end (delta: -78.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:32,791 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 192.9MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:11:32,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 127.9MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.90ms. Allocated memory is still 127.9MB. Free memory was 72.9MB in the beginning and 62.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.71ms. Allocated memory is still 127.9MB. Free memory was 62.8MB in the beginning and 61.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 127.9MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 211.28ms. Allocated memory is still 127.9MB. Free memory was 59.9MB in the beginning and 51.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8962.60ms. Allocated memory was 127.9MB in the beginning and 192.9MB in the end (delta: 65.0MB). Free memory was 51.2MB in the beginning and 129.4MB in the end (delta: -78.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 192.9MB. Free memory is still 129.4MB. 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 13 terminating modules (5 trivial, 3 deterministic, 5 nondeterministic). One deterministic module has affine ranking function (211 + ((long) -2 * x)) and consists of 4 locations. One deterministic module has affine ranking function (211 + ((long) -2 * x)) and consists of 3 locations. One deterministic module has affine ranking function (201 + ((long) -2 * x)) and consists of 4 locations. One nondeterministic module has affine ranking function (211 + ((long) -2 * x)) and consists of 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function (221 + ((long) -2 * x)) and consists of 4 locations. One nondeterministic module has affine ranking function x and consists of 9 locations. One nondeterministic module has affine ranking function c and consists of 9 locations. 5 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 10 iterations. TraceHistogramMax:10. Analysis of lassos took 5.5s. Construction of modules took 0.2s. Büchi inclusion checks took 2.8s. Highest rank in rank-based complementation 9. Minimization of det autom 2. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 571 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 1, 3, 0, 2]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 92/114 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 174 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 214 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 131 mSDtfsCounter, 214 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT4 conc0 concLT3 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax165 hnf100 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp97 dnf100 smp100 tf112 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 00:11:32,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-10-15 00:11:33,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-15 00:11:33,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE