./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted/Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/svcomp/c/termination-crafted/Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.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.graphml --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 4d47290c22ee8ca606b2e1fe494335758b7c5275 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:14:33,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:14:33,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:14:33,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:14:33,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:14:33,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:14:33,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:14:33,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:14:33,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:14:33,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:14:33,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:14:33,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:14:33,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:14:33,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:14:33,114 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:14:33,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:14:33,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:14:33,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:14:33,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:14:33,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:14:33,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:14:33,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:14:33,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:14:33,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:14:33,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:14:33,147 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:14:33,148 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:14:33,152 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:14:33,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:14:33,153 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:14:33,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:14:33,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:14:33,156 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:14:33,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:14:33,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:14:33,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:14:33,159 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:14:33,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:14:33,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:14:33,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:14:33,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:14:33,188 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:14:33,188 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:14:33,192 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:14:33,192 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:14:33,192 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:14:33,192 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:14:33,192 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:14:33,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:14:33,193 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:14:33,193 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:14:33,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:14:33,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:14:33,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:14:33,195 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:14:33,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:14:33,195 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:14:33,195 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:14:33,196 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:14:33,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:14:33,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:14:33,196 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:14:33,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:14:33,196 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:14:33,197 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:14:33,198 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:14:33,198 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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.graphml 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 -> 4d47290c22ee8ca606b2e1fe494335758b7c5275 [2018-11-28 23:14:33,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:14:33,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:14:33,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:14:33,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:14:33,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:14:33,279 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c [2018-11-28 23:14:33,349 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c3061c4/969a2f2283534bc686d132f3d5882202/FLAGde6c6e49d [2018-11-28 23:14:33,817 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:14:33,818 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c [2018-11-28 23:14:33,825 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c3061c4/969a2f2283534bc686d132f3d5882202/FLAGde6c6e49d [2018-11-28 23:14:34,193 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84c3061c4/969a2f2283534bc686d132f3d5882202 [2018-11-28 23:14:34,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:14:34,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:14:34,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:14:34,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:14:34,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:14:34,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151a95c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34, skipping insertion in model container [2018-11-28 23:14:34,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:14:34,233 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:14:34,394 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:14:34,399 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:14:34,420 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:14:34,437 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:14:34,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34 WrapperNode [2018-11-28 23:14:34,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:14:34,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:14:34,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:14:34,440 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:14:34,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:14:34,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:14:34,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:14:34,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:14:34,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... [2018-11-28 23:14:34,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:14:34,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:14:34,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:14:34,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:14:34,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:14:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:14:34,941 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:14:34,941 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:14:34,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:14:34 BoogieIcfgContainer [2018-11-28 23:14:34,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:14:34,943 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:14:34,943 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:14:34,947 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:14:34,948 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:14:34,948 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:14:34" (1/3) ... [2018-11-28 23:14:34,949 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ffaccfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:14:34, skipping insertion in model container [2018-11-28 23:14:34,949 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:14:34,949 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:34" (2/3) ... [2018-11-28 23:14:34,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ffaccfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:14:34, skipping insertion in model container [2018-11-28 23:14:34,950 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:14:34,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:14:34" (3/3) ... [2018-11-28 23:14:34,952 INFO L375 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c [2018-11-28 23:14:35,059 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:14:35,061 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:14:35,066 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:14:35,066 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:14:35,066 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:14:35,066 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:14:35,066 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:14:35,067 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:14:35,067 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:14:35,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 23:14:35,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:14:35,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:14:35,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:14:35,151 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:14:35,151 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:14:35,151 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:14:35,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 23:14:35,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:14:35,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:14:35,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:14:35,157 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:14:35,157 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:14:35,170 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 11#L20true assume !!(-268435455 <= main_~y~0); 5#L21true assume !!(-268435455 <= main_~z~0); 7#L22true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 4#L27-1true [2018-11-28 23:14:35,171 INFO L796 eck$LassoCheckResult]: Loop: 4#L27-1true assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 4#L27-1true [2018-11-28 23:14:35,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:35,177 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2018-11-28 23:14:35,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:14:35,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:14:35,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:35,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:14:35,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:35,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:35,283 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2018-11-28 23:14:35,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:14:35,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:14:35,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:35,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:14:35,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:35,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash 29742448, now seen corresponding path program 1 times [2018-11-28 23:14:35,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:14:35,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:14:35,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:35,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:14:35,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:35,552 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:14:35,553 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:14:35,554 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:14:35,554 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:14:35,554 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:14:35,554 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:35,554 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:14:35,555 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:14:35,555 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-11-28 23:14:35,555 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:14:35,556 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:14:35,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:35,883 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 23:14:35,991 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 23:14:36,145 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:14:36,145 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,151 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:36,151 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:36,158 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:36,158 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:36,181 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:36,213 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:36,214 INFO L448 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: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,219 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:36,219 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:36,223 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:36,223 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,246 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:36,247 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:36,253 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:36,253 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,276 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:36,276 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:36,279 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:36,279 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:14:36,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,316 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:36,338 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:36,338 INFO L448 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: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:36,343 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:36,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:14:36,371 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:48,498 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:14:48,515 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:14:48,515 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:14:48,515 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:14:48,515 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:14:48,515 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:14:48,516 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:48,516 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:14:48,517 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:14:48,517 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2018-11-28 23:14:48,517 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:14:48,517 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:14:48,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:48,937 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 23:14:49,120 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 23:14:49,123 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:14:49,129 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:14:49,131 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,134 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,138 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:14:49,139 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:14:49,149 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:14:49,149 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,150 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,150 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:14:49,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,151 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:14:49,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:14:49,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:14:49,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,160 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:14:49,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,162 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,162 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:14:49,163 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:14:49,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:14:49,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,166 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:14:49,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,166 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,169 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:14:49,170 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:14:49,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:14:49,174 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,176 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:14:49,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,178 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,178 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,179 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:14:49,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:14:49,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:14:49,184 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,190 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,194 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:14:49,195 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:14:49,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:14:49,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:14:49,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:14:49,221 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:14:49,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:14:49,221 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:14:49,232 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:14:49,236 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:14:49,335 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:14:49,374 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:14:49,374 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:14:49,382 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:14:49,386 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-11-28 23:14:49,388 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:14:49,390 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2018-11-28 23:14:49,423 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 23:14:49,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:14:49,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:14:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:14:49,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:14:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:14:49,733 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 23:14:49,734 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2018-11-28 23:14:50,025 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 23:14:50,090 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2018-11-28 23:14:50,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:14:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-28 23:14:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2018-11-28 23:14:50,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2018-11-28 23:14:50,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:14:50,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2018-11-28 23:14:50,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:14:50,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 23:14:50,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:14:50,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2018-11-28 23:14:50,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:14:50,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 5 states and 5 transitions. [2018-11-28 23:14:50,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2018-11-28 23:14:50,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-28 23:14:50,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. [2018-11-28 23:14:50,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:14:50,113 INFO L705 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-11-28 23:14:50,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. [2018-11-28 23:14:50,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-11-28 23:14:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 23:14:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-11-28 23:14:50,139 INFO L728 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-11-28 23:14:50,139 INFO L608 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-11-28 23:14:50,139 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:14:50,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. [2018-11-28 23:14:50,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:14:50,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:14:50,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:14:50,140 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:14:50,140 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:14:50,141 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 84#L20 assume !!(-268435455 <= main_~y~0); 81#L21 assume !!(-268435455 <= main_~z~0); 82#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 80#L27-1 [2018-11-28 23:14:50,141 INFO L796 eck$LassoCheckResult]: Loop: 80#L27-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 80#L27-1 [2018-11-28 23:14:50,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:50,141 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2018-11-28 23:14:50,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:14:50,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:14:50,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:50,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:14:50,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:50,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:50,152 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2018-11-28 23:14:50,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:14:50,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:14:50,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:50,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:14:50,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:50,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:14:50,161 INFO L82 PathProgramCache]: Analyzing trace with hash 29742510, now seen corresponding path program 1 times [2018-11-28 23:14:50,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:14:50,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:14:50,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:50,168 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:14:50,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:14:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:14:50,265 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:14:50,265 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:14:50,265 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:14:50,265 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:14:50,265 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:14:50,266 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,267 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:14:50,267 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:14:50,267 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c_Iteration2_Lasso [2018-11-28 23:14:50,267 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:14:50,268 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:14:50,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:14:50,486 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:14:50,486 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,491 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:50,492 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:50,512 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:50,512 INFO L448 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: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,518 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:50,518 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:50,522 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:50,522 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:50,543 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:50,546 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:50,546 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,567 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:50,567 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:14:50,570 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:14:50,570 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,592 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:14:50,592 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:14:50,620 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:14:50,620 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:02,801 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:15:02,811 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:02,812 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:02,812 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:02,812 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:02,812 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:02,812 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:02,812 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:02,812 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:02,813 INFO L131 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop_true-termination_true-valid-memsafety.c_Iteration2_Lasso [2018-11-28 23:15:02,813 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:02,813 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:02,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:02,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:02,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:02,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:02,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:02,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:02,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:03,059 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:03,059 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:03,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:03,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:03,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:03,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:03,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:03,068 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:03,068 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:15:03,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:03,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:03,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:03,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:03,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:03,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:03,079 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:03,081 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:03,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:03,082 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:03,082 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:03,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:03,083 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:03,083 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:03,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:03,083 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:03,085 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:03,085 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:03,086 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:03,087 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:03,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:03,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:03,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:03,088 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:03,093 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:03,093 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:15:03,112 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:15:03,119 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:15:03,120 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:15:03,120 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:15:03,122 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2018-11-28 23:15:03,123 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:15:03,123 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2018-11-28 23:15:03,136 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 23:15:03,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:15:03,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:15:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:15:03,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:15:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:15:03,211 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 23:15:03,211 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 5 transitions. cyclomatic complexity: 1 Second operand 2 states. [2018-11-28 23:15:03,240 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 5 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 6 states and 6 transitions. Complement of second has 2 states. [2018-11-28 23:15:03,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2018-11-28 23:15:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-28 23:15:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2018-11-28 23:15:03,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 1 letters. [2018-11-28 23:15:03,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:15:03,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2018-11-28 23:15:03,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:15:03,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 23:15:03,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:15:03,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 6 transitions. [2018-11-28 23:15:03,243 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:15:03,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2018-11-28 23:15:03,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:15:03,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:15:03,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:15:03,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:15:03,246 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:15:03,246 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:15:03,246 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:15:03,246 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:15:03,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:15:03,248 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:15:03,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:15:03,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:15:03 BoogieIcfgContainer [2018-11-28 23:15:03,257 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:15:03,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:15:03,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:15:03,257 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:15:03,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:14:34" (3/4) ... [2018-11-28 23:15:03,261 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:15:03,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:15:03,262 INFO L168 Benchmark]: Toolchain (without parser) took 29065.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 952.7 MB in the beginning and 907.8 MB in the end (delta: 45.0 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:03,263 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:03,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.50 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:03,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:03,266 INFO L168 Benchmark]: Boogie Preprocessor took 26.26 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:03,266 INFO L168 Benchmark]: RCFGBuilder took 434.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:03,268 INFO L168 Benchmark]: BuchiAutomizer took 28313.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.8 MB in the end (delta: 217.5 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:03,269 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 1.2 GB. Free memory is still 907.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:03,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.50 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.26 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 434.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 28313.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.8 MB in the end (delta: 217.5 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.50 ms. Allocated memory is still 1.2 GB. Free memory is still 907.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * y + 199 and consists of 4 locations. One deterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 28.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 27.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 18 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax136 hnf97 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...