./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:55:48,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:55:48,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:55:48,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:55:48,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:55:48,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:55:48,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:55:48,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:55:48,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:55:48,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:55:48,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:55:48,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:55:48,833 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:55:48,836 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:55:48,836 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:55:48,836 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:55:48,836 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:55:48,836 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:55:48,837 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:55:48,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:55:48,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:55:48,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:55:48,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:55:48,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:55:48,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:55:48,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:55:48,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:55:48,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:55:48,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:55:48,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:55:48,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:55:48,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:55:48,840 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:55:48,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:55:48,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:55:48,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:55:48,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:55:48,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:55:48,844 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:55:48,844 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2024-10-15 00:55:49,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:55:49,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:55:49,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:55:49,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:55:49,150 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:55:49,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2024-10-15 00:55:50,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:55:50,773 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:55:50,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2024-10-15 00:55:50,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1f960ef/d5979897ddb54a7bb72d2d995f81edaf/FLAG8f4194aa2 [2024-10-15 00:55:50,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1f960ef/d5979897ddb54a7bb72d2d995f81edaf [2024-10-15 00:55:50,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:55:50,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:55:50,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:55:50,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:55:50,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:55:50,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:50" (1/1) ... [2024-10-15 00:55:50,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164e9cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:50, skipping insertion in model container [2024-10-15 00:55:50,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:55:50" (1/1) ... [2024-10-15 00:55:50,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:55:51,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:55:51,026 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:55:51,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:55:51,062 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:55:51,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51 WrapperNode [2024-10-15 00:55:51,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:55:51,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:55:51,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:55:51,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:55:51,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,101 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-10-15 00:55:51,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:55:51,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:55:51,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:55:51,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:55:51,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,126 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 00:55:51,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:55:51,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:55:51,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:55:51,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:55:51,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (1/1) ... [2024-10-15 00:55:51,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:51,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:51,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:51,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-15 00:55:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:55:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:55:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:55:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:55:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-10-15 00:55:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-10-15 00:55:51,294 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:55:51,296 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:55:51,388 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-15 00:55:51,388 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:55:51,399 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:55:51,399 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 00:55:51,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:51 BoogieIcfgContainer [2024-10-15 00:55:51,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:55:51,401 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:55:51,401 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:55:51,408 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:55:51,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:55:51,410 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:55:50" (1/3) ... [2024-10-15 00:55:51,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@900f691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:55:51, skipping insertion in model container [2024-10-15 00:55:51,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:55:51,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:55:51" (2/3) ... [2024-10-15 00:55:51,412 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@900f691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:55:51, skipping insertion in model container [2024-10-15 00:55:51,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:55:51,413 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:51" (3/3) ... [2024-10-15 00:55:51,415 INFO L332 chiAutomizerObserver]: Analyzing ICFG Addition03-1.c [2024-10-15 00:55:51,466 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:55:51,466 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:55:51,466 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:55:51,466 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:55:51,466 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:55:51,467 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:55:51,467 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:55:51,467 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:55:51,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-15 00:55:51,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:51,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:51,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:51,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-15 00:55:51,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:55:51,493 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:55:51,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-15 00:55:51,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:51,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:51,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:51,496 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-15 00:55:51,496 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:55:51,502 INFO L745 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 8#L31true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 5#$Ultimate##0true [2024-10-15 00:55:51,503 INFO L747 eck$LassoCheckResult]: Loop: 5#$Ultimate##0true ~m := #in~m;~n := #in~n; 6#L16true assume !(0 == ~n); 13#L19true assume ~n > 0; 14#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 5#$Ultimate##0true [2024-10-15 00:55:51,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:51,510 INFO L85 PathProgramCache]: Analyzing trace with hash 29888, now seen corresponding path program 1 times [2024-10-15 00:55:51,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290285433] [2024-10-15 00:55:51,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:51,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:51,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:51,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:51,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1450930, now seen corresponding path program 1 times [2024-10-15 00:55:51,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:51,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819977022] [2024-10-15 00:55:51,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:51,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:51,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:51,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:51,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:51,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1832919281, now seen corresponding path program 1 times [2024-10-15 00:55:51,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:51,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957676821] [2024-10-15 00:55:51,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:51,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:51,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:51,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:51,897 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:55:51,898 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:55:51,899 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:55:51,899 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:55:51,899 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:55:51,899 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:51,899 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:55:51,899 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:55:51,899 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2024-10-15 00:55:51,900 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:55:51,900 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:55:51,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:51,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:51,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:51,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:51,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:51,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:51,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,109 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:55:52,110 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:55:52,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-15 00:55:52,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:52,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:52,136 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:52,136 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:55:52,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-15 00:55:52,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-15 00:55:52,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:52,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:52,187 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 [2024-10-15 00:55:52,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-15 00:55:52,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:55:52,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:52,219 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:52,219 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=7}, {addition_#in~m=-3}, {addition_#in~m=-3}] Lambdas: [1, 0, 1] Nus: [0, 1] [2024-10-15 00:55:52,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-15 00:55:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-15 00:55:52,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:52,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:52,244 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:52,245 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:55:52,255 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 [2024-10-15 00:55:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-15 00:55:52,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:52,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:52,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-15 00:55:52,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,286 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-15 00:55:52,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:55:52,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:52,348 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:55:52,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-15 00:55:52,353 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:55:52,353 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:55:52,353 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:55:52,354 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:55:52,354 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:55:52,354 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,354 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:55:52,354 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:55:52,354 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2024-10-15 00:55:52,354 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:55:52,355 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:55:52,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:52,420 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:55:52,424 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:55:52,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,427 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-15 00:55:52,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:52,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:52,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:52,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:52,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:52,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:52,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:52,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:52,453 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:52,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-15 00:55:52,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,470 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-15 00:55:52,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:52,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:52,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:52,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:52,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:52,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:52,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:52,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:52,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:52,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:52,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-15 00:55:52,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:52,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:52,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:52,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:52,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:52,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:52,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:52,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:52,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:55:52,537 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:55:52,538 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:55:52,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:52,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:52,541 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:52,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-15 00:55:52,543 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:55:52,543 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:55:52,544 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:55:52,544 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2024-10-15 00:55:52,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-15 00:55:52,562 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:55:52,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:52,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:55:52,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:55:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:52,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-15 00:55:52,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:55:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:52,711 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-15 00:55:52,712 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:52,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 68 transitions. Complement of second has 16 states. [2024-10-15 00:55:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-15 00:55:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-10-15 00:55:52,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-15 00:55:52,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:52,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2024-10-15 00:55:52,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:52,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2024-10-15 00:55:52,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:52,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 68 transitions. [2024-10-15 00:55:52,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:52,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 28 transitions. [2024-10-15 00:55:52,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-10-15 00:55:52,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-10-15 00:55:52,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2024-10-15 00:55:52,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:55:52,823 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-10-15 00:55:52,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2024-10-15 00:55:52,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2024-10-15 00:55:52,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:52,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-10-15 00:55:52,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-15 00:55:52,847 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-15 00:55:52,847 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:55:52,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-10-15 00:55:52,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:52,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:52,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:52,848 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:55:52,848 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-15 00:55:52,850 INFO L745 eck$LassoCheckResult]: Stem: 142#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 143#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 134#L31 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 135#$Ultimate##0 ~m := #in~m;~n := #in~n; 137#L16 assume !(0 == ~n); 139#L19 assume !(~n > 0); 141#L22 [2024-10-15 00:55:52,850 INFO L747 eck$LassoCheckResult]: Loop: 141#L22 assume ~n < 0; 130#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 132#$Ultimate##0 ~m := #in~m;~n := #in~n; 145#L16 assume !(0 == ~n); 144#L19 assume !(~n > 0); 141#L22 [2024-10-15 00:55:52,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash 890410423, now seen corresponding path program 1 times [2024-10-15 00:55:52,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:52,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291162842] [2024-10-15 00:55:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:52,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:52,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:52,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:52,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:52,870 INFO L85 PathProgramCache]: Analyzing trace with hash 57513645, now seen corresponding path program 1 times [2024-10-15 00:55:52,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:52,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399248542] [2024-10-15 00:55:52,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:52,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:52,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:52,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:52,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:52,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1572724041, now seen corresponding path program 1 times [2024-10-15 00:55:52,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:52,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794082844] [2024-10-15 00:55:52,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:52,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:52,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:52,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:53,058 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:55:53,058 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:55:53,058 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:55:53,059 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:55:53,059 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:55:53,059 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,059 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:55:53,059 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:55:53,059 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2024-10-15 00:55:53,059 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:55:53,059 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:55:53,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:53,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:53,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:53,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:53,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:53,147 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:55:53,148 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:55:53,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,151 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-15 00:55:53,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:53,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:53,169 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:53,169 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:55:53,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-15 00:55:53,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,182 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-15 00:55:53,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:53,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:53,194 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:53,195 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:55:53,205 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 [2024-10-15 00:55:53,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,207 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-15 00:55:53,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:53,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:53,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:53,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,239 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-15 00:55:53,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:55:53,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:53,336 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:53,336 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-4, addition_~m=2} Honda state: {addition_#in~m=-4, addition_~m=2} Generalized eigenvectors: [{addition_#in~m=0, addition_~m=0}, {addition_#in~m=6, addition_~m=0}, {addition_#in~m=-1, addition_~m=-1}] Lambdas: [15, 0, 1] Nus: [0, 0] [2024-10-15 00:55:53,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-15 00:55:53,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,349 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-15 00:55:53,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:53,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:53,362 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-15 00:55:53,362 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-15 00:55:53,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:53,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,375 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-15 00:55:53,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:53,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:53,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-15 00:55:53,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:53,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:53,411 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:53,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-15 00:55:53,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:55:53,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:56,645 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:55:56,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:56,651 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:55:56,651 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:55:56,651 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:55:56,651 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:55:56,652 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:55:56,652 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,652 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:55:56,652 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:55:56,652 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2024-10-15 00:55:56,652 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:55:56,652 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:55:56,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:56,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:56,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:56,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:56,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:56,731 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:55:56,731 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:55:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:56,734 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:56,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-15 00:55:56,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:56,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:56,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:56,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:56,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:56,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:56,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:56,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:56,753 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:56,768 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 [2024-10-15 00:55:56,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:56,770 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:56,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-15 00:55:56,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:56,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:56,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:56,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:56,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:56,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:56,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:56,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:56,787 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:56,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-15 00:55:56,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:56,804 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:56,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-15 00:55:56,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:56,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:56,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:56,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:56,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:56,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:56,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:56,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:56,822 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:56,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:56,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:56,844 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:56,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-15 00:55:56,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:56,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:56,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:56,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:56,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:56,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:56,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-15 00:55:56,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:56,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:56,863 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:56,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:56,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:56,879 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:56,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-15 00:55:56,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:56,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:56,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:56,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:56,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:56,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:56,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:56,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:56,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:55:56,910 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:55:56,911 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:55:56,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:56,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:56,914 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:56,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-15 00:55:56,916 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:55:56,916 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:55:56,916 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:55:56,916 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2024-10-15 00:55:56,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:56,932 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:55:56,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:56,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:55:56,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:55:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:57,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-15 00:55:57,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:55:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:57,081 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 [2024-10-15 00:55:57,082 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:57,117 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 13 states. [2024-10-15 00:55:57,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-15 00:55:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-15 00:55:57,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 5 letters. [2024-10-15 00:55:57,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:57,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2024-10-15 00:55:57,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:57,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 10 letters. [2024-10-15 00:55:57,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:57,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2024-10-15 00:55:57,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:57,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 25 states and 29 transitions. [2024-10-15 00:55:57,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-15 00:55:57,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-15 00:55:57,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2024-10-15 00:55:57,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:55:57,123 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-15 00:55:57,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2024-10-15 00:55:57,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-15 00:55:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-10-15 00:55:57,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-10-15 00:55:57,126 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-10-15 00:55:57,126 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:55:57,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2024-10-15 00:55:57,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:57,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:55:57,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:55:57,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:55:57,128 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:55:57,128 INFO L745 eck$LassoCheckResult]: Stem: 256#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 257#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;havoc main_#t~nondet6#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 245#L31 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 258#$Ultimate##0 ~m := #in~m;~n := #in~n; 251#L16 assume !(0 == ~n); 263#L19 assume !(~n > 0); 254#L22 assume ~n < 0; 244#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 247#$Ultimate##0 ~m := #in~m;~n := #in~n; 262#L16 assume !(0 == ~n); 259#L19 assume ~n > 0; 242#L20 [2024-10-15 00:55:57,128 INFO L747 eck$LassoCheckResult]: Loop: 242#L20 call #t~ret4 := addition(1 + ~m, ~n - 1);< 243#$Ultimate##0 ~m := #in~m;~n := #in~n; 248#L16 assume !(0 == ~n); 252#L19 assume ~n > 0; 242#L20 [2024-10-15 00:55:57,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:57,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1572724044, now seen corresponding path program 1 times [2024-10-15 00:55:57,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:57,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128405297] [2024-10-15 00:55:57,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:57,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:57,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:55:57,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128405297] [2024-10-15 00:55:57,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128405297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:55:57,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:55:57,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:55:57,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444469664] [2024-10-15 00:55:57,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:55:57,232 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:55:57,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:57,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2042800, now seen corresponding path program 2 times [2024-10-15 00:55:57,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:55:57,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796159070] [2024-10-15 00:55:57,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:55:57,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:55:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:57,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:55:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:55:57,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:55:57,344 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:55:57,344 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:55:57,344 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:55:57,344 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:55:57,344 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-15 00:55:57,345 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:57,345 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:55:57,345 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:55:57,345 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2024-10-15 00:55:57,345 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:55:57,345 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:55:57,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:57,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:57,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:57,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:57,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:57,409 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:55:57,410 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-15 00:55:57,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:57,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:57,412 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:57,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-15 00:55:57,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-15 00:55:57,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:57,456 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 [2024-10-15 00:55:57,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:57,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:57,458 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:57,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-15 00:55:57,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-15 00:55:57,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-15 00:55:58,073 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-15 00:55:58,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:58,078 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:55:58,078 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:55:58,078 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:55:58,078 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:55:58,078 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:55:58,078 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,078 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:55:58,078 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:55:58,078 INFO L132 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2024-10-15 00:55:58,079 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:55:58,079 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:55:58,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:58,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:58,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:58,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:58,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:55:58,150 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:55:58,150 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:55:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:58,152 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:58,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-15 00:55:58,155 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 [2024-10-15 00:55:58,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:58,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:58,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:58,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:58,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:58,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:58,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:58,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:58,184 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 [2024-10-15 00:55:58,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:58,186 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:58,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-15 00:55:58,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:58,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:58,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:58,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:58,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:58,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:58,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:58,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:58,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:58,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:58,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:58,222 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:58,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-15 00:55:58,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:58,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:58,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:58,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:58,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:58,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:58,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:58,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:58,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:58,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:58,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:58,248 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:58,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-15 00:55:58,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:58,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:58,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:58,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:58,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:58,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:58,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:58,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:58,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:55:58,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-15 00:55:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:58,282 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:58,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-15 00:55:58,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:55:58,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:55:58,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:55:58,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:55:58,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:55:58,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:55:58,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:55:58,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:55:58,303 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:55:58,307 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-15 00:55:58,307 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-15 00:55:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:55:58,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:55:58,309 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-15 00:55:58,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-15 00:55:58,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:55:58,311 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-15 00:55:58,311 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:55:58,312 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2024-10-15 00:55:58,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-15 00:55:58,327 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-15 00:55:58,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:55:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:58,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 00:55:58,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:55:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:55:58,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-15 00:55:58,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:55:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:55:58,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-15 00:55:58,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:58,452 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 63 transitions. Complement of second has 9 states. [2024-10-15 00:55:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-15 00:55:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-15 00:55:58,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2024-10-15 00:55:58,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:58,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2024-10-15 00:55:58,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:58,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2024-10-15 00:55:58,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:55:58,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 63 transitions. [2024-10-15 00:55:58,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-15 00:55:58,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 55 transitions. [2024-10-15 00:55:58,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-15 00:55:58,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-10-15 00:55:58,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2024-10-15 00:55:58,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:55:58,462 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-10-15 00:55:58,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2024-10-15 00:55:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2024-10-15 00:55:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 32 states have internal predecessors, (37), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-10-15 00:55:58,468 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-10-15 00:55:58,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:55:58,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 00:55:58,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-15 00:55:58,471 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:55:58,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:55:58,502 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2024-10-15 00:55:58,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 31 transitions. [2024-10-15 00:55:58,503 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:55:58,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2024-10-15 00:55:58,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:55:58,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:55:58,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:55:58,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:55:58,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:55:58,504 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:55:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 00:55:58,507 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:55:58,507 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:55:58,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:55:58,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:55:58,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:55:58,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:55:58 BoogieIcfgContainer [2024-10-15 00:55:58,514 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:55:58,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:55:58,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:55:58,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:55:58,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:55:51" (3/4) ... [2024-10-15 00:55:58,516 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:55:58,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:55:58,518 INFO L158 Benchmark]: Toolchain (without parser) took 7705.70ms. Allocated memory is still 159.4MB. Free memory was 130.5MB in the beginning and 64.6MB in the end (delta: 65.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-10-15 00:55:58,518 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 94.4MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:55:58,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.20ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 118.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 00:55:58,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.09ms. Allocated memory is still 159.4MB. Free memory was 118.8MB in the beginning and 117.9MB in the end (delta: 833.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:55:58,519 INFO L158 Benchmark]: Boogie Preprocessor took 38.09ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:55:58,519 INFO L158 Benchmark]: RCFGBuilder took 258.90ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 106.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 00:55:58,520 INFO L158 Benchmark]: BuchiAutomizer took 7112.82ms. Allocated memory is still 159.4MB. Free memory was 106.2MB in the beginning and 65.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-10-15 00:55:58,520 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 64.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:55:58,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 94.4MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.20ms. Allocated memory is still 159.4MB. Free memory was 129.9MB in the beginning and 118.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.09ms. Allocated memory is still 159.4MB. Free memory was 118.8MB in the beginning and 117.9MB in the end (delta: 833.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.09ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 258.90ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 106.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7112.82ms. Allocated memory is still 159.4MB. Free memory was 106.2MB in the beginning and 65.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 159.4MB. Free memory was 65.7MB in the beginning and 64.6MB in the end (delta: 1.0MB). 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. One deterministic module has affine ranking function ((__int128) -1 * n) and consists of 5 locations. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 6.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 37 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf92 smp89 dnf100 smp100 tf110 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 00:55:58,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-15 00:55:58,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-15 00:55:58,950 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