./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:58:51,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:58:51,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 16:58:51,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:58:51,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:58:51,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:58:51,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:58:51,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:58:51,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:58:51,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:58:51,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:58:51,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:58:51,164 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:58:51,164 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 16:58:51,167 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 16:58:51,167 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 16:58:51,167 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 16:58:51,168 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 16:58:51,168 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 16:58:51,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:58:51,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 16:58:51,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:58:51,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:58:51,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 16:58:51,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 16:58:51,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 16:58:51,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:58:51,174 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:58:51,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:58:51,174 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 16:58:51,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:58:51,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:58:51,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:58:51,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:58:51,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:58:51,176 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 16:58:51,176 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4036e0056477b4442ec4a799960d03c7e149261f5dcf8c079ae548d48df77b04 [2024-10-13 16:58:51,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:58:51,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:58:51,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:58:51,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:58:51,451 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:58:51,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.10.c [2024-10-13 16:58:52,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:58:53,043 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:58:53,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.10.c [2024-10-13 16:58:53,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1332b49d/a415271f67874a268eaae871814f5330/FLAG1ca471239 [2024-10-13 16:58:53,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1332b49d/a415271f67874a268eaae871814f5330 [2024-10-13 16:58:53,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:58:53,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:58:53,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:58:53,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:58:53,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:58:53,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73454624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53, skipping insertion in model container [2024-10-13 16:58:53,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:58:53,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:58:53,671 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:58:53,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:58:53,702 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:58:53,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53 WrapperNode [2024-10-13 16:58:53,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:58:53,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:58:53,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:58:53,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:58:53,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,751 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-13 16:58:53,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:58:53,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:58:53,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:58:53,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:58:53,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,773 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 16:58:53,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:58:53,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:58:53,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:58:53,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:58:53,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (1/1) ... [2024-10-13 16:58:53,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:53,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:53,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:53,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-13 16:58:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:58:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:58:53,952 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:58:53,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:58:54,032 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-13 16:58:54,033 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:58:54,048 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:58:54,048 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 16:58:54,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:58:54 BoogieIcfgContainer [2024-10-13 16:58:54,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:58:54,049 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 16:58:54,050 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 16:58:54,054 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 16:58:54,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:58:54,055 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 04:58:53" (1/3) ... [2024-10-13 16:58:54,056 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ccc723c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:58:54, skipping insertion in model container [2024-10-13 16:58:54,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:58:54,056 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:58:53" (2/3) ... [2024-10-13 16:58:54,057 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ccc723c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 04:58:54, skipping insertion in model container [2024-10-13 16:58:54,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 16:58:54,057 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:58:54" (3/3) ... [2024-10-13 16:58:54,060 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.10.c [2024-10-13 16:58:54,112 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 16:58:54,112 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 16:58:54,112 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 16:58:54,112 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 16:58:54,113 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 16:58:54,113 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 16:58:54,113 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 16:58:54,113 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 16:58:54,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:54,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:58:54,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:58:54,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:58:54,133 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:58:54,134 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:58:54,134 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 16:58:54,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:54,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:58:54,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:58:54,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:58:54,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 16:58:54,136 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-13 16:58:54,142 INFO L745 eck$LassoCheckResult]: Stem: 4#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2024-10-13 16:58:54,143 INFO L747 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > 0;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2024-10-13 16:58:54,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:54,153 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 16:58:54,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:54,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497026564] [2024-10-13 16:58:54,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:54,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:54,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:54,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:54,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-10-13 16:58:54,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:54,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660125827] [2024-10-13 16:58:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:54,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:54,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:54,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-13 16:58:54,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:54,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601171752] [2024-10-13 16:58:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:54,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:54,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:54,474 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:58:54,475 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:58:54,475 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:58:54,475 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:58:54,475 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:58:54,476 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:58:54,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:58:54,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration1_Loop [2024-10-13 16:58:54,477 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:58:54,477 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:58:54,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:54,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:54,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:54,604 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:58:54,605 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:58:54,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-13 16:58:54,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:58:54,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:54,641 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:58:54,641 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:58:54,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-13 16:58:54,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-13 16:58:54,657 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:58:54,657 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:54,678 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:58:54,678 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:58:54,694 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 [2024-10-13 16:58:54,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-13 16:58:54,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:58:54,700 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:54,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-13 16:58:54,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-13 16:58:54,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:58:54,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:54,765 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:58:54,770 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 [2024-10-13 16:58:54,770 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:58:54,770 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:58:54,771 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:58:54,771 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:58:54,771 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:58:54,771 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,771 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:58:54,771 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:58:54,772 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration1_Loop [2024-10-13 16:58:54,772 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:58:54,772 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:58:54,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:54,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:54,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:54,865 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:58:54,869 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:58:54,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,871 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-13 16:58:54,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:58:54,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:58:54,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:58:54,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:58:54,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:58:54,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:58:54,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:58:54,896 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:58:54,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-13 16:58:54,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-13 16:58:54,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:58:54,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:58:54,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:58:54,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:58:54,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:58:54,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:58:54,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:58:54,937 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:58:54,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-13 16:58:54,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:54,953 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:54,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-13 16:58:54,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:58:54,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:58:54,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:58:54,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:58:54,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:58:54,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:58:54,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 16:58:54,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:58:54,972 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:58:54,976 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-13 16:58:54,976 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-13 16:58:54,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:54,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,002 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-13 16:58:55,004 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:58:55,005 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:58:55,005 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:58:55,005 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-13 16:58:55,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-13 16:58:55,021 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:58:55,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:58:55,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:58:55,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:58:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:58:55,070 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 16:58:55,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:58:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:58:55,101 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-13 16:58:55,103 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:55,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 29 transitions. Complement of second has 6 states. [2024-10-13 16:58:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 16:58:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-13 16:58:55,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-13 16:58:55,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:58:55,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-13 16:58:55,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:58:55,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-13 16:58:55,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:58:55,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2024-10-13 16:58:55,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:58:55,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 11 states and 16 transitions. [2024-10-13 16:58:55,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-13 16:58:55,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-10-13 16:58:55,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2024-10-13 16:58:55,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:58:55,161 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2024-10-13 16:58:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2024-10-13 16:58:55,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-10-13 16:58:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2024-10-13 16:58:55,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-10-13 16:58:55,185 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2024-10-13 16:58:55,186 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 16:58:55,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2024-10-13 16:58:55,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:58:55,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:58:55,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:58:55,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-13 16:58:55,188 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 16:58:55,190 INFO L745 eck$LassoCheckResult]: Stem: 64#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 65#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 70#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 71#L12 [2024-10-13 16:58:55,190 INFO L747 eck$LassoCheckResult]: Loop: 71#L12 assume !(main_~x~0#1 > 0); 66#L15 assume main_~y~0#1 > 0;main_~y~0#1 := main_~y~0#1 - 1; 67#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 71#L12 [2024-10-13 16:58:55,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-13 16:58:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:55,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392992219] [2024-10-13 16:58:55,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:55,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:55,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:55,207 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2024-10-13 16:58:55,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:55,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289808997] [2024-10-13 16:58:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:55,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:55,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:55,220 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2024-10-13 16:58:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:55,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036504205] [2024-10-13 16:58:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:55,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:55,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-13 16:58:55,382 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:58:55,382 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:58:55,382 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:58:55,382 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:58:55,382 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-13 16:58:55,383 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,383 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:58:55,383 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:58:55,383 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration2_Loop [2024-10-13 16:58:55,383 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:58:55,383 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:58:55,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:55,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:55,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:55,488 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:58:55,489 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-13 16:58:55,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,491 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-13 16:58:55,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:58:55,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:55,516 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:58:55,516 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:58:55,531 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 [2024-10-13 16:58:55,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,532 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-13 16:58:55,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:58:55,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:55,553 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-13 16:58:55,553 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-13 16:58:55,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-13 16:58:55,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,570 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-13 16:58:55,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-13 16:58:55,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:55,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-13 16:58:55,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-13 16:58:55,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-13 16:58:55,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-13 16:58:55,636 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-13 16:58:55,640 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 [2024-10-13 16:58:55,640 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 16:58:55,640 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 16:58:55,640 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 16:58:55,640 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 16:58:55,640 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 16:58:55,640 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,640 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 16:58:55,640 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 16:58:55,640 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.10.c_Iteration2_Loop [2024-10-13 16:58:55,640 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 16:58:55,640 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 16:58:55,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:55,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:55,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 16:58:55,742 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 16:58:55,742 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 16:58:55,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,744 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-13 16:58:55,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:58:55,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:58:55,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:58:55,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:58:55,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:58:55,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:58:55,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:58:55,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:58:55,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-13 16:58:55,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,778 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-13 16:58:55,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:58:55,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:58:55,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:58:55,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 16:58:55,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:58:55,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 16:58:55,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 16:58:55,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 16:58:55,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-13 16:58:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,817 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-13 16:58:55,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 16:58:55,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 16:58:55,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 16:58:55,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 16:58:55,834 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-13 16:58:55,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 16:58:55,839 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-13 16:58:55,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 16:58:55,844 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 16:58:55,849 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-10-13 16:58:55,849 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-13 16:58:55,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 16:58:55,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:58:55,851 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 16:58:55,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-13 16:58:55,853 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 16:58:55,853 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-13 16:58:55,853 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 16:58:55,853 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-10-13 16:58:55,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-13 16:58:55,870 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-13 16:58:55,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:58:55,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 16:58:55,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:58:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:58:55,899 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:58:55,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:58:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:58:55,946 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-13 16:58:55,946 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:55,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 54 transitions. Complement of second has 7 states. [2024-10-13 16:58:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 16:58:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-10-13 16:58:55,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-13 16:58:55,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:58:55,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-13 16:58:55,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:58:55,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-13 16:58:55,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 16:58:55,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 54 transitions. [2024-10-13 16:58:55,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:58:55,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 25 states and 36 transitions. [2024-10-13 16:58:55,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-13 16:58:55,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-13 16:58:55,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 36 transitions. [2024-10-13 16:58:55,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 16:58:55,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2024-10-13 16:58:55,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 36 transitions. [2024-10-13 16:58:55,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2024-10-13 16:58:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2024-10-13 16:58:55,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-10-13 16:58:55,989 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-10-13 16:58:55,989 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 16:58:55,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2024-10-13 16:58:55,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-13 16:58:55,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 16:58:55,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 16:58:55,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-13 16:58:55,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 16:58:55,990 INFO L745 eck$LassoCheckResult]: Stem: 157#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 159#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 167#L12 assume !(main_~x~0#1 > 0); 152#L15 [2024-10-13 16:58:55,991 INFO L747 eck$LassoCheckResult]: Loop: 152#L15 assume !(main_~y~0#1 > 0); 153#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 160#L12 assume !(main_~x~0#1 > 0); 152#L15 [2024-10-13 16:58:55,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:55,991 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-13 16:58:55,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:55,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826836538] [2024-10-13 16:58:55,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:55,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 16:58:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 16:58:56,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 16:58:56,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:58:56,007 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2024-10-13 16:58:56,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:58:56,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312941911] [2024-10-13 16:58:56,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:58:56,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:58:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:58:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:58:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:58:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312941911] [2024-10-13 16:58:56,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312941911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:58:56,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:58:56,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:58:56,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830755454] [2024-10-13 16:58:56,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:58:56,078 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-13 16:58:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:58:56,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:58:56,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:58:56,081 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:58:56,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:58:56,105 INFO L93 Difference]: Finished difference Result 23 states and 31 transitions. [2024-10-13 16:58:56,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 31 transitions. [2024-10-13 16:58:56,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:58:56,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2024-10-13 16:58:56,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 16:58:56,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 16:58:56,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 16:58:56,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 16:58:56,108 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:58:56,109 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:58:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:58:56,109 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 16:58:56,110 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 16:58:56,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 16:58:56,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 16:58:56,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 16:58:56,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 04:58:56 BoogieIcfgContainer [2024-10-13 16:58:56,118 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 16:58:56,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:58:56,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:58:56,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:58:56,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:58:54" (3/4) ... [2024-10-13 16:58:56,121 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 16:58:56,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:58:56,126 INFO L158 Benchmark]: Toolchain (without parser) took 2666.09ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 67.9MB in the beginning and 105.3MB in the end (delta: -37.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-10-13 16:58:56,126 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:58:56,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.15ms. Allocated memory is still 138.4MB. Free memory was 67.7MB in the beginning and 56.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 16:58:56,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.60ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 149.3MB in the end (delta: -92.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-10-13 16:58:56,129 INFO L158 Benchmark]: Boogie Preprocessor took 31.51ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 147.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:58:56,129 INFO L158 Benchmark]: RCFGBuilder took 262.53ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 140.6MB in the end (delta: 7.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-13 16:58:56,130 INFO L158 Benchmark]: BuchiAutomizer took 2068.92ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 106.3MB in the end (delta: 34.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-10-13 16:58:56,130 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 178.3MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:58:56,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.15ms. Allocated memory is still 138.4MB. Free memory was 67.7MB in the beginning and 56.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.60ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 149.3MB in the end (delta: -92.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.51ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 147.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.53ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 140.6MB in the end (delta: 7.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2068.92ms. Allocated memory is still 178.3MB. Free memory was 140.6MB in the beginning and 106.3MB in the end (delta: 34.3MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 178.3MB. Free memory was 106.3MB in the beginning and 105.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has affine ranking function y and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq127 hnf96 smp100 dnf132 smp96 tf106 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-13 16:58:56,162 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 [2024-10-13 16:58:56,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE