./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.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 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:18:22,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:18:22,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-09 15:18:22,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:18:22,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:18:22,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:18:22,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:18:22,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:18:22,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:18:22,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:18:22,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:18:22,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:18:22,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:18:22,969 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-09 15:18:22,971 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-09 15:18:22,971 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-09 15:18:22,971 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-09 15:18:22,971 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-09 15:18:22,972 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-09 15:18:22,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:18:22,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-09 15:18:22,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:18:22,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:18:22,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-09 15:18:22,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-09 15:18:22,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-09 15:18:22,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:18:22,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:18:22,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:18:22,977 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-09 15:18:22,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:18:22,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:18:22,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:18:22,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:18:22,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:18:22,979 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-09 15:18:22,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 [2024-11-09 15:18:23,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:18:23,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:18:23,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:18:23,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:18:23,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:18:23,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2024-11-09 15:18:24,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:18:24,900 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:18:24,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2024-11-09 15:18:24,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed16ab33/3701e17eedc347c0bea384060b59ec12/FLAG5cc6b7b59 [2024-11-09 15:18:25,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed16ab33/3701e17eedc347c0bea384060b59ec12 [2024-11-09 15:18:25,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:18:25,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:18:25,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:18:25,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:18:25,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:18:25,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541b60ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25, skipping insertion in model container [2024-11-09 15:18:25,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:18:25,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:18:25,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:18:25,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:18:25,564 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:18:25,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25 WrapperNode [2024-11-09 15:18:25,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:18:25,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:18:25,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:18:25,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:18:25,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,588 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-09 15:18:25,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:18:25,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:18:25,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:18:25,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:18:25,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,603 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 15:18:25,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:18:25,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:18:25,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:18:25,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:18:25,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (1/1) ... [2024-11-09 15:18:25,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:25,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:25,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:25,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-09 15:18:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:18:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:18:25,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:18:25,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:18:25,799 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-09 15:18:25,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:18:25,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:18:25,817 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:18:25,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:25 BoogieIcfgContainer [2024-11-09 15:18:25,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:18:25,819 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-09 15:18:25,819 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-09 15:18:25,823 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-09 15:18:25,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:18:25,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 03:18:25" (1/3) ... [2024-11-09 15:18:25,828 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f9efdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:18:25, skipping insertion in model container [2024-11-09 15:18:25,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:18:25,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:18:25" (2/3) ... [2024-11-09 15:18:25,828 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f9efdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 03:18:25, skipping insertion in model container [2024-11-09 15:18:25,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-09 15:18:25,829 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:25" (3/3) ... [2024-11-09 15:18:25,831 INFO L332 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2024-11-09 15:18:25,889 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-09 15:18:25,889 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-09 15:18:25,889 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-09 15:18:25,889 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-09 15:18:25,890 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-09 15:18:25,890 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-09 15:18:25,891 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-09 15:18:25,891 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-09 15:18:25,895 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) [2024-11-09 15:18:25,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:25,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:25,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:25,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:18:25,921 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:18:25,921 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-09 15:18:25,922 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) [2024-11-09 15:18:25,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:25,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:25,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:25,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:18:25,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:18:25,931 INFO L745 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L15-2true [2024-11-09 15:18:25,931 INFO L747 eck$LassoCheckResult]: Loop: 7#L15-2true assume !!(main_~c~0#1 > 0); 5#L15true assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 7#L15-2true [2024-11-09 15:18:25,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:25,941 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-09 15:18:25,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:25,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924273921] [2024-11-09 15:18:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:26,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:26,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:26,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-09 15:18:26,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:26,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042917066] [2024-11-09 15:18:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:26,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:26,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:26,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:26,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:26,084 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-11-09 15:18:26,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:26,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147720701] [2024-11-09 15:18:26,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:26,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:26,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:26,183 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:26,184 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:26,184 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:26,184 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:26,184 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:26,184 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,184 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:26,184 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:26,185 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2024-11-09 15:18:26,185 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:26,185 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:26,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,309 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:26,309 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:26,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:26,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-09 15:18:26,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:26,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:26,345 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:26,346 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: [] [2024-11-09 15:18:26,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-09 15:18:26,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:26,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-09 15:18:26,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:26,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:26,384 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:26,384 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: [] [2024-11-09 15:18:26,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:26,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:26,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-09 15:18:26,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:26,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:26,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-09 15:18:26,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:26,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-09 15:18:26,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:26,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:26,462 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:26,462 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] [2024-11-09 15:18:26,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-09 15:18:26,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:26,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-09 15:18:26,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:26,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:26,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:26,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,504 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) [2024-11-09 15:18:26,506 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 [2024-11-09 15:18:26,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:26,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:26,539 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:26,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:26,545 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:26,546 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:26,546 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:26,546 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:26,546 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:26,546 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,546 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:26,546 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:26,547 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2024-11-09 15:18:26,547 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:26,548 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:26,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:26,639 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:26,644 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:26,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,647 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) [2024-11-09 15:18:26,649 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 [2024-11-09 15:18:26,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:26,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:26,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:26,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:26,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:26,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:26,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:18:26,680 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:26,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-09 15:18:26,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,698 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) [2024-11-09 15:18:26,699 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 [2024-11-09 15:18:26,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:26,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:26,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:26,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:26,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:26,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:26,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:18:26,718 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:26,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-09 15:18:26,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,734 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) [2024-11-09 15:18:26,734 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 [2024-11-09 15:18:26,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:26,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:26,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:26,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:26,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:26,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:26,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:26,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:26,750 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:26,761 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 [2024-11-09 15:18:26,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,762 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) [2024-11-09 15:18:26,763 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 [2024-11-09 15:18:26,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:26,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:26,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:26,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:26,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:26,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:26,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:26,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:26,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:26,781 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:18:26,781 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:26,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:26,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:26,808 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) [2024-11-09 15:18:26,809 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 [2024-11-09 15:18:26,810 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:26,810 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:26,810 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:26,811 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 211 Supporting invariants [] [2024-11-09 15:18:26,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:26,826 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:26,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:26,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:26,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:26,881 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:26,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:26,917 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 [2024-11-09 15:18:26,919 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) [2024-11-09 15:18:26,953 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. [2024-11-09 15:18:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-09 15:18:26,961 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) [2024-11-09 15:18:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-09 15:18:26,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-09 15:18:26,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:26,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-09 15:18:26,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:26,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-09 15:18:26,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:26,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2024-11-09 15:18:26,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:26,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2024-11-09 15:18:26,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-09 15:18:26,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-09 15:18:26,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-11-09 15:18:26,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:26,974 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-09 15:18:26,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-11-09 15:18:26,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-09 15:18:26,995 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) [2024-11-09 15:18:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-09 15:18:26,996 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-09 15:18:26,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-09 15:18:26,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-09 15:18:26,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-09 15:18:26,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:26,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:26,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:26,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-09 15:18:26,998 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:18:26,998 INFO L745 eck$LassoCheckResult]: Stem: 67#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 68#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 69#L15-2 assume !!(main_~c~0#1 > 0); 63#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 64#L15-2 [2024-11-09 15:18:26,998 INFO L747 eck$LassoCheckResult]: Loop: 64#L15-2 assume !!(main_~c~0#1 > 0); 70#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 64#L15-2 [2024-11-09 15:18:26,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:26,999 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-11-09 15:18:26,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:26,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120381212] [2024-11-09 15:18:26,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:27,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:27,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-11-09 15:18:27,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:27,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790485240] [2024-11-09 15:18:27,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:27,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:27,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-11-09 15:18:27,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:27,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568696294] [2024-11-09 15:18:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:27,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:27,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:27,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568696294] [2024-11-09 15:18:27,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568696294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:18:27,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:18:27,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:18:27,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528011793] [2024-11-09 15:18:27,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:18:27,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:27,167 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:27,167 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:27,167 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:27,167 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:27,168 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:27,168 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,168 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:27,168 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:27,168 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2024-11-09 15:18:27,168 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:27,168 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:27,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,243 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:27,244 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,246 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) [2024-11-09 15:18:27,248 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 [2024-11-09 15:18:27,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:27,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:27,272 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:27,272 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: [] [2024-11-09 15:18:27,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:27,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,288 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) [2024-11-09 15:18:27,289 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 [2024-11-09 15:18:27,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:27,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:27,309 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:27,309 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: [] [2024-11-09 15:18:27,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:27,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,323 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) [2024-11-09 15:18:27,324 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 [2024-11-09 15:18:27,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:27,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:27,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-09 15:18:27,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,356 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) [2024-11-09 15:18:27,358 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 [2024-11-09 15:18:27,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:27,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:27,391 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:27,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-09 15:18:27,396 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:27,397 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:27,397 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:27,397 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:27,397 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:27,397 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,397 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:27,397 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:27,397 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2024-11-09 15:18:27,397 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:27,397 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:27,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,473 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:27,473 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:27,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,476 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) [2024-11-09 15:18:27,478 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 [2024-11-09 15:18:27,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:27,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:27,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:27,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:27,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:27,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:27,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:18:27,501 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:27,515 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 [2024-11-09 15:18:27,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,518 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) [2024-11-09 15:18:27,520 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 [2024-11-09 15:18:27,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:27,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:27,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:27,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:27,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:27,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:27,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:18:27,544 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:27,558 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 [2024-11-09 15:18:27,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,560 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) [2024-11-09 15:18:27,562 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 [2024-11-09 15:18:27,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:27,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:27,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:27,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:27,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:27,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:27,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:27,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:27,582 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:27,585 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:18:27,585 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:27,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,589 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) [2024-11-09 15:18:27,593 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 [2024-11-09 15:18:27,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:27,593 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:27,593 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:27,593 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 211 Supporting invariants [] [2024-11-09 15:18:27,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-09 15:18:27,614 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:27,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:27,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:27,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:27,649 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:27,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:27,654 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 [2024-11-09 15:18:27,654 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) [2024-11-09 15:18:27,663 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. [2024-11-09 15:18:27,664 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 [2024-11-09 15:18:27,664 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) [2024-11-09 15:18:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-09 15:18:27,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-09 15:18:27,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:27,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-09 15:18:27,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:27,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-09 15:18:27,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:27,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2024-11-09 15:18:27,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:27,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2024-11-09 15:18:27,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-09 15:18:27,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-09 15:18:27,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-11-09 15:18:27,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:27,667 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-09 15:18:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-11-09 15:18:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 15:18:27,668 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) [2024-11-09 15:18:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-11-09 15:18:27,669 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-09 15:18:27,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:18:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:18:27,671 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) [2024-11-09 15:18:27,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:27,694 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2024-11-09 15:18:27,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2024-11-09 15:18:27,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:27,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 17 transitions. [2024-11-09 15:18:27,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-09 15:18:27,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-09 15:18:27,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-11-09 15:18:27,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:27,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-09 15:18:27,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-11-09 15:18:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-09 15:18:27,697 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) [2024-11-09 15:18:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-11-09 15:18:27,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-09 15:18:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:18:27,698 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-09 15:18:27,698 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-09 15:18:27,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-11-09 15:18:27,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-09 15:18:27,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:27,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:27,699 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1] [2024-11-09 15:18:27,699 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:18:27,699 INFO L745 eck$LassoCheckResult]: Stem: 149#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 155#L15-2 assume !!(main_~c~0#1 > 0); 156#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 160#L15-2 assume !!(main_~c~0#1 > 0); 159#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 157#L15-2 assume !!(main_~c~0#1 > 0); 151#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 152#L15-2 [2024-11-09 15:18:27,699 INFO L747 eck$LassoCheckResult]: Loop: 152#L15-2 assume !!(main_~c~0#1 > 0); 158#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 152#L15-2 [2024-11-09 15:18:27,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:27,700 INFO L85 PathProgramCache]: Analyzing trace with hash 297591406, now seen corresponding path program 2 times [2024-11-09 15:18:27,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:27,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254986658] [2024-11-09 15:18:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:27,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:27,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2024-11-09 15:18:27,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:27,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139206436] [2024-11-09 15:18:27,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:27,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:27,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:27,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:27,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1777467309, now seen corresponding path program 3 times [2024-11-09 15:18:27,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:27,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882012499] [2024-11-09 15:18:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:27,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 15:18:27,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:27,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882012499] [2024-11-09 15:18:27,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882012499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:18:27,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673001184] [2024-11-09 15:18:27,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 15:18:27,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:18:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:27,806 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:18:27,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 15:18:27,841 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 15:18:27,842 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:18:27,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:27,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 15:18:27,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:18:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 15:18:27,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673001184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:18:27,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:18:27,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-09 15:18:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291271269] [2024-11-09 15:18:27,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:18:27,940 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:27,940 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:27,940 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:27,940 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:27,941 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:27,941 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,941 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:27,941 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:27,941 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2024-11-09 15:18:27,941 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:27,941 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:27,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:27,998 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:27,998 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:27,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:27,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,001 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) [2024-11-09 15:18:28,003 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 [2024-11-09 15:18:28,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:28,003 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:28,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:28,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,036 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) [2024-11-09 15:18:28,038 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 [2024-11-09 15:18:28,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:28,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:28,072 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:28,077 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 [2024-11-09 15:18:28,078 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:28,078 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:28,078 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:28,078 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:28,078 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:28,078 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,079 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:28,079 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:28,079 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2024-11-09 15:18:28,079 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:28,079 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:28,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,149 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:28,149 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:28,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,152 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-09 15:18:28,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-09 15:18:28,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:28,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:28,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:28,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:28,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:28,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:28,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:28,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:28,173 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:28,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:18:28,175 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:28,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,178 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) [2024-11-09 15:18:28,179 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 [2024-11-09 15:18:28,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:28,180 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:28,180 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:28,180 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 211 Supporting invariants [] [2024-11-09 15:18:28,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:28,196 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:28,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,245 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:28,250 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 [2024-11-09 15:18:28,250 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) [2024-11-09 15:18:28,261 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. [2024-11-09 15:18:28,262 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 [2024-11-09 15:18:28,263 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) [2024-11-09 15:18:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-09 15:18:28,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-09 15:18:28,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,263 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:28,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,303 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:28,306 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 [2024-11-09 15:18:28,306 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) [2024-11-09 15:18:28,317 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. [2024-11-09 15:18:28,318 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 [2024-11-09 15:18:28,319 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) [2024-11-09 15:18:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2024-11-09 15:18:28,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-09 15:18:28,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,319 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:28,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,352 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:28,356 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 [2024-11-09 15:18:28,357 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) [2024-11-09 15:18:28,368 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. [2024-11-09 15:18:28,368 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 [2024-11-09 15:18:28,369 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) [2024-11-09 15:18:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-09 15:18:28,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-09 15:18:28,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-09 15:18:28,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-09 15:18:28,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2024-11-09 15:18:28,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:18:28,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 19 transitions. [2024-11-09 15:18:28,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-09 15:18:28,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-09 15:18:28,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-11-09 15:18:28,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:28,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-11-09 15:18:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-11-09 15:18:28,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 7. [2024-11-09 15:18:28,376 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) [2024-11-09 15:18:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-09 15:18:28,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-09 15:18:28,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:28,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:18:28,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:18:28,377 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) [2024-11-09 15:18:28,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:28,393 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2024-11-09 15:18:28,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-09 15:18:28,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-09 15:18:28,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2024-11-09 15:18:28,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-09 15:18:28,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-09 15:18:28,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2024-11-09 15:18:28,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:28,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2024-11-09 15:18:28,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2024-11-09 15:18:28,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2024-11-09 15:18:28,395 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) [2024-11-09 15:18:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-11-09 15:18:28,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-09 15:18:28,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:18:28,396 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-11-09 15:18:28,397 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-09 15:18:28,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-11-09 15:18:28,397 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-09 15:18:28,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:28,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:28,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-09 15:18:28,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-09 15:18:28,398 INFO L745 eck$LassoCheckResult]: Stem: 399#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 402#L15-2 [2024-11-09 15:18:28,398 INFO L747 eck$LassoCheckResult]: Loop: 402#L15-2 assume !!(main_~c~0#1 > 0); 405#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 408#L15-2 assume !!(main_~c~0#1 > 0); 401#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 402#L15-2 [2024-11-09 15:18:28,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,398 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-09 15:18:28,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:28,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532534094] [2024-11-09 15:18:28,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:28,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:28,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1266953, now seen corresponding path program 1 times [2024-11-09 15:18:28,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:28,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768474230] [2024-11-09 15:18:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:28,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:28,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,420 INFO L85 PathProgramCache]: Analyzing trace with hash 889694155, now seen corresponding path program 4 times [2024-11-09 15:18:28,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:28,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747444738] [2024-11-09 15:18:28,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:28,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:28,496 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:28,496 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:28,496 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:28,496 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:28,496 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:28,496 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,496 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:28,496 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:28,496 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2024-11-09 15:18:28,496 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:28,496 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:28,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,594 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:28,594 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:28,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,600 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) [2024-11-09 15:18:28,606 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 [2024-11-09 15:18:28,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-09 15:18:28,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:28,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:28,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-09 15:18:28,645 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 [2024-11-09 15:18:28,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,647 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) [2024-11-09 15:18:28,650 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 [2024-11-09 15:18:28,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:28,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:28,665 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:28,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:28,676 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:28,676 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:28,676 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:28,676 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:28,676 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:28,676 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,676 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:28,676 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:28,676 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2024-11-09 15:18:28,677 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:28,677 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:28,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:28,741 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:28,742 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:28,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,745 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) [2024-11-09 15:18:28,746 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 [2024-11-09 15:18:28,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:28,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:28,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:28,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:28,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:28,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:28,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:28,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:28,767 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:28,770 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:18:28,770 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:28,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:28,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:28,772 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) [2024-11-09 15:18:28,773 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 [2024-11-09 15:18:28,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:28,774 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:28,774 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:28,774 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 201 Supporting invariants [] [2024-11-09 15:18:28,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:28,790 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:28,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:28,855 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:18:28,856 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) [2024-11-09 15:18:28,863 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. [2024-11-09 15:18:28,864 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 [2024-11-09 15:18:28,864 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) [2024-11-09 15:18:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2024-11-09 15:18:28,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-09 15:18:28,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,865 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:28,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:28,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:28,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:28,919 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 [2024-11-09 15:18:28,920 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) [2024-11-09 15:18:28,935 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. [2024-11-09 15:18:28,935 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 [2024-11-09 15:18:28,936 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) [2024-11-09 15:18:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-11-09 15:18:28,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-09 15:18:28,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-09 15:18:28,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-09 15:18:28,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:28,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-11-09 15:18:28,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:18:28,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2024-11-09 15:18:28,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-09 15:18:28,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-09 15:18:28,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2024-11-09 15:18:28,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:28,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-09 15:18:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2024-11-09 15:18:28,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2024-11-09 15:18:28,940 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) [2024-11-09 15:18:28,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-11-09 15:18:28,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-09 15:18:28,941 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-09 15:18:28,941 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-09 15:18:28,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-11-09 15:18:28,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-09 15:18:28,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:28,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:28,942 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1] [2024-11-09 15:18:28,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-09 15:18:28,942 INFO L745 eck$LassoCheckResult]: Stem: 523#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 525#L15-2 assume !!(main_~c~0#1 > 0); 521#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 522#L15-2 assume !!(main_~c~0#1 > 0); 529#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 532#L15-2 assume !!(main_~c~0#1 > 0); 531#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 528#L15-2 assume !!(main_~c~0#1 > 0); 519#L15 [2024-11-09 15:18:28,942 INFO L747 eck$LassoCheckResult]: Loop: 519#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 520#L15-2 assume !!(main_~c~0#1 > 0); 519#L15 [2024-11-09 15:18:28,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,943 INFO L85 PathProgramCache]: Analyzing trace with hash 635458587, now seen corresponding path program 5 times [2024-11-09 15:18:28,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:28,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177387985] [2024-11-09 15:18:28,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:28,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2024-11-09 15:18:28,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:28,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329792130] [2024-11-09 15:18:28,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:28,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:28,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:28,961 INFO L85 PathProgramCache]: Analyzing trace with hash 790346520, now seen corresponding path program 6 times [2024-11-09 15:18:28,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:28,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826299775] [2024-11-09 15:18:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:28,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:29,007 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:29,007 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:29,007 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:29,008 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:29,008 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:29,008 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,008 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:29,008 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:29,008 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2024-11-09 15:18:29,008 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:29,008 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:29,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,064 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:29,064 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:29,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,066 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) [2024-11-09 15:18:29,067 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 [2024-11-09 15:18:29,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:29,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:29,096 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 [2024-11-09 15:18:29,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,098 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) [2024-11-09 15:18:29,099 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 [2024-11-09 15:18:29,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:29,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:29,174 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:29,179 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 [2024-11-09 15:18:29,179 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:29,179 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:29,180 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:29,180 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:29,180 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:29,180 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,180 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:29,180 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:29,180 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2024-11-09 15:18:29,180 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:29,180 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:29,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,237 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:29,237 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:29,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,239 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) [2024-11-09 15:18:29,240 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 [2024-11-09 15:18:29,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:29,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:29,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:29,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:29,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:29,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:29,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:29,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:29,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:29,264 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-09 15:18:29,264 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:29,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,266 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) [2024-11-09 15:18:29,267 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 [2024-11-09 15:18:29,268 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:29,268 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:29,268 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:29,268 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 [] [2024-11-09 15:18:29,281 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 [2024-11-09 15:18:29,282 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:29,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,317 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:29,326 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-09 15:18:29,326 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) [2024-11-09 15:18:29,330 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. [2024-11-09 15:18:29,331 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 [2024-11-09 15:18:29,331 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) [2024-11-09 15:18:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-09 15:18:29,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-09 15:18:29,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,331 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:29,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,371 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:29,381 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 [2024-11-09 15:18:29,381 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) [2024-11-09 15:18:29,384 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. [2024-11-09 15:18:29,384 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 [2024-11-09 15:18:29,385 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) [2024-11-09 15:18:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-09 15:18:29,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-09 15:18:29,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,386 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:29,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,415 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:29,425 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 [2024-11-09 15:18:29,425 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) [2024-11-09 15:18:29,439 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 21 states and 28 transitions. Complement of second has 4 states. [2024-11-09 15:18:29,439 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 [2024-11-09 15:18:29,440 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) [2024-11-09 15:18:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-09 15:18:29,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-09 15:18:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-09 15:18:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-09 15:18:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-11-09 15:18:29,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-09 15:18:29,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 24 transitions. [2024-11-09 15:18:29,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-09 15:18:29,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2024-11-09 15:18:29,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2024-11-09 15:18:29,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:29,444 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2024-11-09 15:18:29,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2024-11-09 15:18:29,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-09 15:18:29,445 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) [2024-11-09 15:18:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-11-09 15:18:29,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-09 15:18:29,445 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-09 15:18:29,445 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-09 15:18:29,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-11-09 15:18:29,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-09 15:18:29,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:29,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:29,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 1, 1, 1] [2024-11-09 15:18:29,450 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-09 15:18:29,450 INFO L745 eck$LassoCheckResult]: Stem: 712#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 713#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 714#L15-2 assume !!(main_~c~0#1 > 0); 715#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 722#L15-2 assume !!(main_~c~0#1 > 0); 721#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 720#L15-2 assume !!(main_~c~0#1 > 0); 718#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 719#L15-2 assume !!(main_~c~0#1 > 0); 709#L15 [2024-11-09 15:18:29,450 INFO L747 eck$LassoCheckResult]: Loop: 709#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 710#L15-2 assume !!(main_~c~0#1 > 0); 716#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 717#L15-2 assume !!(main_~c~0#1 > 0); 709#L15 [2024-11-09 15:18:29,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,451 INFO L85 PathProgramCache]: Analyzing trace with hash 635458587, now seen corresponding path program 7 times [2024-11-09 15:18:29,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:29,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252293732] [2024-11-09 15:18:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:29,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:29,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:29,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:29,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2024-11-09 15:18:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:29,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063421403] [2024-11-09 15:18:29,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:29,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:29,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:29,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,478 INFO L85 PathProgramCache]: Analyzing trace with hash -686205165, now seen corresponding path program 8 times [2024-11-09 15:18:29,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:29,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365967785] [2024-11-09 15:18:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:29,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:29,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:29,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:29,539 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:29,540 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:29,540 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:29,540 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:29,540 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:29,540 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,540 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:29,540 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:29,540 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2024-11-09 15:18:29,540 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:29,540 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:29,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,592 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:29,596 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:29,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,598 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) [2024-11-09 15:18:29,599 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 [2024-11-09 15:18:29,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:29,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:29,621 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 [2024-11-09 15:18:29,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,623 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) [2024-11-09 15:18:29,624 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 [2024-11-09 15:18:29,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:29,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:29,638 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:29,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:29,651 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:29,651 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:29,651 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:29,651 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:29,651 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:29,651 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,651 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:29,651 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:29,651 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2024-11-09 15:18:29,651 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:29,651 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:29,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:29,701 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:29,701 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:29,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,703 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) [2024-11-09 15:18:29,704 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 [2024-11-09 15:18:29,704 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 [2024-11-09 15:18:29,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:29,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:29,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:29,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:29,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:29,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:29,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:29,717 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:29,719 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-09 15:18:29,719 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:29,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:29,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:29,725 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) [2024-11-09 15:18:29,726 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 [2024-11-09 15:18:29,726 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:29,726 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:29,726 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:29,727 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~n~0#1 + 221 Supporting invariants [] [2024-11-09 15:18:29,740 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 [2024-11-09 15:18:29,741 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:29,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:29,805 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 [2024-11-09 15:18:29,805 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) [2024-11-09 15:18:29,819 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. [2024-11-09 15:18:29,820 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 [2024-11-09 15:18:29,820 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) [2024-11-09 15:18:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-09 15:18:29,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-09 15:18:29,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,821 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:29,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:29,876 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 [2024-11-09 15:18:29,876 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) [2024-11-09 15:18:29,893 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. [2024-11-09 15:18:29,894 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 [2024-11-09 15:18:29,894 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) [2024-11-09 15:18:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-09 15:18:29,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-09 15:18:29,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,895 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:29,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:29,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 15:18:29,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:29,959 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 [2024-11-09 15:18:29,959 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) [2024-11-09 15:18:29,978 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. [2024-11-09 15:18:29,979 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 [2024-11-09 15:18:29,980 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) [2024-11-09 15:18:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-09 15:18:29,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-09 15:18:29,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-09 15:18:29,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-09 15:18:29,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:29,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2024-11-09 15:18:29,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-11-09 15:18:29,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 31 states and 40 transitions. [2024-11-09 15:18:29,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-09 15:18:29,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-09 15:18:29,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2024-11-09 15:18:29,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:29,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-09 15:18:29,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2024-11-09 15:18:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2024-11-09 15:18:29,988 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) [2024-11-09 15:18:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2024-11-09 15:18:29,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-09 15:18:29,989 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2024-11-09 15:18:29,990 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-09 15:18:29,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2024-11-09 15:18:29,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-09 15:18:29,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:29,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:29,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 3, 3, 1, 1] [2024-11-09 15:18:29,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 1] [2024-11-09 15:18:29,995 INFO L745 eck$LassoCheckResult]: Stem: 983#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 984#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 985#L15-2 assume !!(main_~c~0#1 > 0); 995#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 996#L15-2 assume !!(main_~c~0#1 > 0); 993#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 991#L15-2 assume !!(main_~c~0#1 > 0); 990#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 986#L15-2 assume !!(main_~c~0#1 > 0); 987#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 981#L15-2 assume !!(main_~c~0#1 > 0); 1003#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 1002#L15-2 assume !!(main_~c~0#1 > 0); 1001#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 999#L15-2 assume !!(main_~c~0#1 > 0); 980#L15 [2024-11-09 15:18:29,995 INFO L747 eck$LassoCheckResult]: Loop: 980#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 981#L15-2 assume !!(main_~c~0#1 > 0); 1003#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 1002#L15-2 assume !!(main_~c~0#1 > 0); 1001#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 999#L15-2 assume !!(main_~c~0#1 > 0); 980#L15 [2024-11-09 15:18:29,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:29,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1981740944, now seen corresponding path program 9 times [2024-11-09 15:18:29,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:29,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137394790] [2024-11-09 15:18:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:29,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 15:18:30,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137394790] [2024-11-09 15:18:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137394790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:18:30,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:18:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 15:18:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957950366] [2024-11-09 15:18:30,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:18:30,072 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-09 15:18:30,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1298898678, now seen corresponding path program 3 times [2024-11-09 15:18:30,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:30,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820274594] [2024-11-09 15:18:30,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:30,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:30,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:30,132 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:30,132 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:30,133 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:30,133 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:30,133 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:30,133 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:30,133 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:30,133 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:30,133 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2024-11-09 15:18:30,133 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:30,133 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:30,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,182 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:30,182 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:30,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:30,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:30,184 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) [2024-11-09 15:18:30,186 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 [2024-11-09 15:18:30,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:30,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:30,208 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 [2024-11-09 15:18:30,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:30,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:30,220 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) [2024-11-09 15:18:30,223 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 [2024-11-09 15:18:30,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:30,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:30,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-09 15:18:30,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:30,270 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 [2024-11-09 15:18:30,410 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:30,415 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 [2024-11-09 15:18:30,416 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:30,416 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:30,416 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:30,416 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:30,416 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:30,416 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:30,416 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:30,416 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:30,416 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2024-11-09 15:18:30,416 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:30,416 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:30,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:30,476 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:30,476 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:30,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:30,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:30,479 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) [2024-11-09 15:18:30,481 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 [2024-11-09 15:18:30,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:30,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:30,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:30,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:30,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:30,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:30,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:30,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:30,499 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:30,500 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-09 15:18:30,500 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:30,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:30,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:30,502 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) [2024-11-09 15:18:30,502 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 [2024-11-09 15:18:30,503 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:30,503 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:30,503 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:30,503 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1) = 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-11-09 15:18:30,517 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 [2024-11-09 15:18:30,518 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:30,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:30,606 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-09 15:18:30,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 3 states. [2024-11-09 15:18:30,610 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 [2024-11-09 15:18:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-09 15:18:30,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-09 15:18:30,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:30,611 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:30,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:30,690 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-09 15:18:30,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 3 states. [2024-11-09 15:18:30,695 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 [2024-11-09 15:18:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-09 15:18:30,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-09 15:18:30,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:30,695 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:30,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:30,778 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 4 loop predicates [2024-11-09 15:18:30,778 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,785 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 55 transitions. Complement of second has 4 states. [2024-11-09 15:18:30,787 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 [2024-11-09 15:18:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-09 15:18:30,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-09 15:18:30,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:30,788 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:30,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:30,876 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 4 loop predicates [2024-11-09 15:18:30,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 94 transitions. Complement of second has 12 states. [2024-11-09 15:18:30,901 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 [2024-11-09 15:18:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-09 15:18:30,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-09 15:18:30,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:30,902 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:30,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:30,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 15:18:30,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 15:18:30,986 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 4 loop predicates [2024-11-09 15:18:30,987 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:31,049 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,049 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,074 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,111 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,113 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,131 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,131 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:31,133 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 26 states and 35 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 525 states and 880 transitions. Complement of second has 116 states 12 powerset states104 rank states. The highest rank that occured is 7 [2024-11-09 15:18:31,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-09 15:18:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 35 transitions. [2024-11-09 15:18:31,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-09 15:18:31,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:31,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 21 letters. Loop has 6 letters. [2024-11-09 15:18:31,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:31,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 35 transitions. Stem has 15 letters. Loop has 12 letters. [2024-11-09 15:18:31,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:31,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 525 states and 880 transitions. [2024-11-09 15:18:31,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-09 15:18:31,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 525 states to 384 states and 664 transitions. [2024-11-09 15:18:31,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-09 15:18:31,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2024-11-09 15:18:31,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 384 states and 664 transitions. [2024-11-09 15:18:31,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:31,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 384 states and 664 transitions. [2024-11-09 15:18:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states and 664 transitions. [2024-11-09 15:18:31,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 99. [2024-11-09 15:18:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.6363636363636365) internal successors, (162), 98 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 162 transitions. [2024-11-09 15:18:31,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 162 transitions. [2024-11-09 15:18:31,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:31,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 15:18:31,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 15:18:31,177 INFO L87 Difference]: Start difference. First operand 99 states and 162 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) [2024-11-09 15:18:31,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:31,191 INFO L93 Difference]: Finished difference Result 122 states and 184 transitions. [2024-11-09 15:18:31,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 184 transitions. [2024-11-09 15:18:31,192 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2024-11-09 15:18:31,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 110 states and 166 transitions. [2024-11-09 15:18:31,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-09 15:18:31,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-11-09 15:18:31,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 166 transitions. [2024-11-09 15:18:31,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:31,194 INFO L218 hiAutomatonCegarLoop]: Abstraction has 110 states and 166 transitions. [2024-11-09 15:18:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 166 transitions. [2024-11-09 15:18:31,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 92. [2024-11-09 15:18:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 91 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 140 transitions. [2024-11-09 15:18:31,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 140 transitions. [2024-11-09 15:18:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 15:18:31,200 INFO L425 stractBuchiCegarLoop]: Abstraction has 92 states and 140 transitions. [2024-11-09 15:18:31,200 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-09 15:18:31,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 140 transitions. [2024-11-09 15:18:31,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2024-11-09 15:18:31,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:31,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:31,202 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2024-11-09 15:18:31,202 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 2, 2] [2024-11-09 15:18:31,202 INFO L745 eck$LassoCheckResult]: Stem: 2413#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2414#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2465#L15-2 assume !!(main_~c~0#1 > 0); 2460#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2462#L15-2 assume !!(main_~c~0#1 > 0); 2432#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2429#L15-2 assume !!(main_~c~0#1 > 0); 2431#L15 [2024-11-09 15:18:31,202 INFO L747 eck$LassoCheckResult]: Loop: 2431#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2416#L15-2 assume !!(main_~c~0#1 > 0); 2417#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2455#L15-2 assume !!(main_~c~0#1 > 0); 2422#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2423#L15-2 assume !!(main_~c~0#1 > 0); 2439#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2437#L15-2 assume !!(main_~c~0#1 > 0); 2431#L15 [2024-11-09 15:18:31,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:31,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715102, now seen corresponding path program 2 times [2024-11-09 15:18:31,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:31,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899787320] [2024-11-09 15:18:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:31,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:31,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:31,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1593853071, now seen corresponding path program 4 times [2024-11-09 15:18:31,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:31,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815874770] [2024-11-09 15:18:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 15:18:31,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:31,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815874770] [2024-11-09 15:18:31,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815874770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 15:18:31,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 15:18:31,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 15:18:31,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147432197] [2024-11-09 15:18:31,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 15:18:31,232 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-09 15:18:31,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:31,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 15:18:31,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 15:18:31,233 INFO L87 Difference]: Start difference. First operand 92 states and 140 transitions. cyclomatic complexity: 55 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) [2024-11-09 15:18:31,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:31,249 INFO L93 Difference]: Finished difference Result 113 states and 154 transitions. [2024-11-09 15:18:31,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 154 transitions. [2024-11-09 15:18:31,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 32 [2024-11-09 15:18:31,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 93 states and 126 transitions. [2024-11-09 15:18:31,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-09 15:18:31,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-09 15:18:31,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 126 transitions. [2024-11-09 15:18:31,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-09 15:18:31,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2024-11-09 15:18:31,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 126 transitions. [2024-11-09 15:18:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 74. [2024-11-09 15:18:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 15:18:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-09 15:18:31,257 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-09 15:18:31,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 15:18:31,259 INFO L425 stractBuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-09 15:18:31,259 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-09 15:18:31,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 102 transitions. [2024-11-09 15:18:31,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 32 [2024-11-09 15:18:31,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-09 15:18:31,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-09 15:18:31,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2024-11-09 15:18:31,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 6, 4] [2024-11-09 15:18:31,260 INFO L745 eck$LassoCheckResult]: Stem: 2624#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 2625#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~c~0#1, main_~n~0#1;havoc main_~c~0#1;havoc main_~n~0#1;main_~c~0#1 := 1;havoc main_#t~nondet0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2627#L15-2 assume !!(main_~c~0#1 > 0); 2687#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2659#L15-2 assume !!(main_~c~0#1 > 0); 2681#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2682#L15-2 assume !!(main_~c~0#1 > 0); 2621#L15 [2024-11-09 15:18:31,260 INFO L747 eck$LassoCheckResult]: Loop: 2621#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2622#L15-2 assume !!(main_~c~0#1 > 0); 2686#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2683#L15-2 assume !!(main_~c~0#1 > 0); 2680#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2679#L15-2 assume !!(main_~c~0#1 > 0); 2678#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2676#L15-2 assume !!(main_~c~0#1 > 0); 2675#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2674#L15-2 assume !!(main_~c~0#1 > 0); 2671#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2673#L15-2 assume !!(main_~c~0#1 > 0); 2672#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2670#L15-2 assume !!(main_~c~0#1 > 0); 2669#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2668#L15-2 assume !!(main_~c~0#1 > 0); 2667#L15 assume main_~n~0#1 > 100;main_~n~0#1 := main_~n~0#1 - 10;main_~c~0#1 := main_~c~0#1 - 1; 2666#L15-2 assume !!(main_~c~0#1 > 0); 2665#L15 assume !(main_~n~0#1 > 100);main_~n~0#1 := 11 + main_~n~0#1;main_~c~0#1 := 1 + main_~c~0#1; 2663#L15-2 assume !!(main_~c~0#1 > 0); 2621#L15 [2024-11-09 15:18:31,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:31,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715102, now seen corresponding path program 3 times [2024-11-09 15:18:31,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:31,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839723094] [2024-11-09 15:18:31,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:31,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:31,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:31,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:31,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:31,268 INFO L85 PathProgramCache]: Analyzing trace with hash -860275429, now seen corresponding path program 5 times [2024-11-09 15:18:31,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:31,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267542744] [2024-11-09 15:18:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:31,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:31,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 15:18:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 15:18:31,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 15:18:31,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1172307576, now seen corresponding path program 10 times [2024-11-09 15:18:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 15:18:31,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054851693] [2024-11-09 15:18:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 15:18:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 15:18:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 105 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 15:18:31,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 15:18:31,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054851693] [2024-11-09 15:18:31,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054851693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 15:18:31,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645727068] [2024-11-09 15:18:31,419 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 15:18:31,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 15:18:31,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:31,420 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 15:18:31,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 15:18:31,454 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 15:18:31,454 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 15:18:31,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 15:18:31,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 15:18:31,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 15:18:31,559 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 [2024-11-09 15:18:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 15:18:31,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645727068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 15:18:31,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 15:18:31,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2024-11-09 15:18:31,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298547958] [2024-11-09 15:18:31,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 15:18:31,780 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:31,781 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:31,781 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:31,781 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:31,781 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-09 15:18:31,781 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:31,781 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:31,781 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:31,781 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration9_Loop [2024-11-09 15:18:31,782 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:31,782 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:31,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,832 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:31,832 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-09 15:18:31,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:31,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:31,834 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) [2024-11-09 15:18:31,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:31,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:31,836 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 [2024-11-09 15:18:31,853 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-09 15:18:31,853 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: [] [2024-11-09 15:18:31,864 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 [2024-11-09 15:18:31,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:31,865 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) [2024-11-09 15:18:31,866 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 [2024-11-09 15:18:31,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-09 15:18:31,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:31,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-09 15:18:31,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:31,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:31,889 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) [2024-11-09 15:18:31,890 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 [2024-11-09 15:18:31,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-09 15:18:31,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-09 15:18:31,940 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-09 15:18:31,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:31,944 INFO L204 LassoAnalysis]: Preferences: [2024-11-09 15:18:31,944 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-09 15:18:31,944 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-09 15:18:31,944 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-09 15:18:31,944 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-09 15:18:31,944 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:31,944 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-09 15:18:31,945 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-09 15:18:31,945 INFO L132 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration9_Loop [2024-11-09 15:18:31,945 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-09 15:18:31,945 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-09 15:18:31,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:31,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-09 15:18:32,000 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-09 15:18:32,000 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-09 15:18:32,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:32,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:32,003 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) [2024-11-09 15:18:32,004 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 [2024-11-09 15:18:32,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:32,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:32,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:32,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:32,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:32,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-09 15:18:32,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-09 15:18:32,020 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-09 15:18:32,034 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 [2024-11-09 15:18:32,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:32,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:32,036 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) [2024-11-09 15:18:32,037 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 [2024-11-09 15:18:32,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-09 15:18:32,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-09 15:18:32,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-09 15:18:32,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-09 15:18:32,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-09 15:18:32,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-09 15:18:32,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-09 15:18:32,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-09 15:18:32,054 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-09 15:18:32,056 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-09 15:18:32,056 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-09 15:18:32,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-09 15:18:32,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:18:32,057 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) [2024-11-09 15:18:32,058 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 [2024-11-09 15:18:32,058 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-09 15:18:32,058 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-09 15:18:32,058 INFO L474 LassoAnalysis]: Proved termination. [2024-11-09 15:18:32,058 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 [] [2024-11-09 15:18:32,069 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 [2024-11-09 15:18:32,069 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-09 15:18:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 15:18:32,180 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 [2024-11-09 15:18:32,180 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 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) [2024-11-09 15:18:32,183 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. 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 74 states and 102 transitions. Complement of second has 3 states. [2024-11-09 15:18:32,184 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 [2024-11-09 15:18:32,185 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) [2024-11-09 15:18:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-09 15:18:32,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-09 15:18:32,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:32,185 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:32,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 15:18:32,294 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 [2024-11-09 15:18:32,294 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 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) [2024-11-09 15:18:32,297 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. 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 74 states and 102 transitions. Complement of second has 3 states. [2024-11-09 15:18:32,298 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 [2024-11-09 15:18:32,298 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) [2024-11-09 15:18:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3 transitions. [2024-11-09 15:18:32,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 3 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-09 15:18:32,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:32,298 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:32,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 15:18:32,406 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 [2024-11-09 15:18:32,406 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 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) [2024-11-09 15:18:32,420 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. 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 104 states and 136 transitions. Complement of second has 4 states. [2024-11-09 15:18:32,420 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 [2024-11-09 15:18:32,421 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) [2024-11-09 15:18:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-09 15:18:32,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-09 15:18:32,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:32,422 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:32,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 15:18:32,533 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 [2024-11-09 15:18:32,533 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35 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) [2024-11-09 15:18:32,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 102 transitions. cyclomatic complexity: 35. 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 104 states and 136 transitions. Complement of second has 4 states. [2024-11-09 15:18:32,546 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 [2024-11-09 15:18:32,546 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) [2024-11-09 15:18:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-09 15:18:32,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-09 15:18:32,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:32,547 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-09 15:18:32,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 15:18:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 15:18:32,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 15:18:32,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 15:18:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 15:18:32,655 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 [2024-11-09 15:18:32,656 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 74 states and 102 transitions. cyclomatic complexity: 35 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) [2024-11-09 15:18:32,722 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,725 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,725 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,725 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,725 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,738 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,741 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,741 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,741 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,742 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,766 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,772 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,772 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,772 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,772 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,773 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,773 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,784 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,784 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,787 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,787 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,788 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,788 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,788 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,788 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,788 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,788 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,789 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,789 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,789 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,793 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 [2024-11-09 15:18:32,817 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,818 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,823 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,823 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,823 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,823 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,823 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,824 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,824 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,824 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,824 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,828 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,829 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,832 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,833 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,833 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,833 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,833 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,834 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,834 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,834 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,835 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,839 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,840 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,840 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,840 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,845 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,846 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,846 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,847 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,847 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,847 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,847 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,847 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,848 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,848 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,848 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,848 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,849 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,849 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,849 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,854 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-09 15:18:32,855 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,856 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,856 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,861 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-09 15:18:32,862 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-09 15:18:32,863 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,864 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,864 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,864 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,864 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,865 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,865 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,865 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,865 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,865 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,866 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,866 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,866 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,866 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,869 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,870 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,870 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,876 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,876 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,876 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,876 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,877 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,877 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,877 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,877 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,877 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,877 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,878 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,878 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,878 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,878 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,882 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,882 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,888 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,888 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,888 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,888 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,889 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,894 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,894 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,897 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,900 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,900 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,901 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,901 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,901 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,901 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,901 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,905 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,905 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,905 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,906 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,907 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,907 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,907 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,907 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,910 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-09 15:18:32,911 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,911 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,911 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,912 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,912 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,913 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,913 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,914 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,914 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,914 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,915 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,918 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,918 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,919 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,919 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,920 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,920 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,921 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,921 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,921 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,925 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,925 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,926 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,926 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,926 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,927 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,927 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,928 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,929 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,929 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,929 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,930 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,930 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,932 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,932 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,933 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,934 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,936 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,937 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,937 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,937 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,938 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,939 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,941 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,942 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,942 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,949 WARN L278 uchiComplementFKVNwa]: big7 [2024-11-09 15:18:32,949 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,950 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,950 WARN L278 uchiComplementFKVNwa]: big16 [2024-11-09 15:18:32,952 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,952 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,952 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,953 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,956 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,958 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,959 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,959 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,960 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,960 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,965 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,966 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,966 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,974 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,974 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,977 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,977 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,978 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,978 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,978 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,981 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,982 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,982 WARN L278 uchiComplementFKVNwa]: big8 [2024-11-09 15:18:32,988 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 74 states and 102 transitions. cyclomatic complexity: 35 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 4742 states and 8919 transitions. Complement of second has 430 states 13 powerset states417 rank states. The highest rank that occured is 9 [2024-11-09 15:18:32,989 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 [2024-11-09 15:18:32,989 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) [2024-11-09 15:18:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2024-11-09 15:18:32,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 7 letters. Loop has 20 letters. [2024-11-09 15:18:32,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:32,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 27 letters. Loop has 20 letters. [2024-11-09 15:18:32,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:32,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 34 transitions. Stem has 7 letters. Loop has 40 letters. [2024-11-09 15:18:33,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-09 15:18:33,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4742 states and 8919 transitions. [2024-11-09 15:18:33,078 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:18:33,079 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4742 states to 0 states and 0 transitions. [2024-11-09 15:18:33,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:18:33,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:18:33,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:18:33,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:18:33,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:33,079 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:33,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 15:18:33,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 15:18:33,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-09 15:18:33,080 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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) [2024-11-09 15:18:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 15:18:33,080 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2024-11-09 15:18:33,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2024-11-09 15:18:33,080 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:18:33,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 15:18:33,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-09 15:18:33,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-09 15:18:33,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-09 15:18:33,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-09 15:18:33,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:33,080 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 15:18:33,081 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 15:18:33,081 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-09 15:18:33,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-09 15:18:33,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-09 15:18:33,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-09 15:18:33,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 03:18:33 BoogieIcfgContainer [2024-11-09 15:18:33,090 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-09 15:18:33,090 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:18:33,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:18:33,091 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:18:33,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:18:25" (3/4) ... [2024-11-09 15:18:33,093 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 15:18:33,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:18:33,095 INFO L158 Benchmark]: Toolchain (without parser) took 7789.35ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 90.9MB in the beginning and 157.3MB in the end (delta: -66.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:33,095 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 159.4MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:33,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.91ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 120.7MB in the end (delta: -30.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 15:18:33,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.55ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 119.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:18:33,096 INFO L158 Benchmark]: Boogie Preprocessor took 20.12ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 118.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:33,096 INFO L158 Benchmark]: RCFGBuilder took 207.70ms. Allocated memory is still 159.4MB. Free memory was 118.0MB in the beginning and 108.9MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 15:18:33,097 INFO L158 Benchmark]: BuchiAutomizer took 7271.45ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 108.9MB in the beginning and 157.3MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:33,097 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 199.2MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:18:33,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 159.4MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.91ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 120.7MB in the end (delta: -30.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.55ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 119.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.12ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 118.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 207.70ms. Allocated memory is still 159.4MB. Free memory was 118.0MB in the beginning and 108.9MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7271.45ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 108.9MB in the beginning and 157.3MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 199.2MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (5 trivial, 3 deterministic, 5 nondeterministic). One deterministic module has affine ranking function (211 + ((long) -2 * n)) and consists of 4 locations. One deterministic module has affine ranking function (211 + ((long) -2 * n)) and consists of 3 locations. One deterministic module has affine ranking function (((long) -2 * n) + 201) and consists of 4 locations. One nondeterministic module has affine ranking function (211 + ((long) -2 * n)) and consists of 3 locations. One nondeterministic module has affine ranking function c and consists of 3 locations. One nondeterministic module has affine ranking function (((long) -2 * n) + 221) and consists of 4 locations. One nondeterministic module has affine ranking function n and consists of 7 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 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 10 iterations. TraceHistogramMax:10. Analysis of lassos took 4.4s. Construction of modules took 0.2s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 9. Minimization of det autom 2. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 341 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: 84/100 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 163 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 209 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 130 mSDtfsCounter, 209 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 smp100 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: 5 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-09 15:18:33,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-09 15:18:33,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 15:18:33,528 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