./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/Singapore_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 8798031d313d45f01361b1d24672bc4cca6c5157 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 02:15:19,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:15:20,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:15:20,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:15:20,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:15:20,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:15:20,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:15:20,025 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:15:20,029 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:15:20,030 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:15:20,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:15:20,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:15:20,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:15:20,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:15:20,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:15:20,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:15:20,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:15:20,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:15:20,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:15:20,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:15:20,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:15:20,050 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:15:20,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:15:20,053 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:15:20,053 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:15:20,054 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:15:20,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:15:20,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:15:20,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:15:20,059 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:15:20,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:15:20,060 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:15:20,060 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:15:20,060 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:15:20,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:15:20,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:15:20,064 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:15:20,096 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:15:20,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:15:20,099 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:15:20,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:15:20,099 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:15:20,101 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:15:20,101 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:15:20,101 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:15:20,101 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:15:20,101 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:15:20,102 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:15:20,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:15:20,102 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:15:20,102 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:15:20,102 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:15:20,102 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:15:20,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:15:20,105 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:15:20,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:15:20,106 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:15:20,106 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:15:20,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:15:20,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:15:20,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:15:20,107 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:15:20,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:15:20,107 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:15:20,107 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:15:20,110 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:15:20,112 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 -> 8798031d313d45f01361b1d24672bc4cca6c5157 [2019-01-14 02:15:20,179 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:15:20,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:15:20,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:15:20,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:15:20,207 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:15:20,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c [2019-01-14 02:15:20,272 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502811b9a/51b4976b60fe4cf69866675870ac960f/FLAG3a7bda763 [2019-01-14 02:15:20,713 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:15:20,714 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Singapore_true-termination_true-valid-memsafety.c [2019-01-14 02:15:20,721 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502811b9a/51b4976b60fe4cf69866675870ac960f/FLAG3a7bda763 [2019-01-14 02:15:21,103 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/502811b9a/51b4976b60fe4cf69866675870ac960f [2019-01-14 02:15:21,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:15:21,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:15:21,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:15:21,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:15:21,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:15:21,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d93673f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21, skipping insertion in model container [2019-01-14 02:15:21,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:15:21,148 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:15:21,391 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:15:21,396 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:15:21,423 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:15:21,443 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:15:21,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21 WrapperNode [2019-01-14 02:15:21,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:15:21,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:15:21,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:15:21,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:15:21,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:15:21,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:15:21,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:15:21,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:15:21,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (1/1) ... [2019-01-14 02:15:21,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:15:21,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:15:21,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:15:21,530 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:15:21,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (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 [2019-01-14 02:15:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:15:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:15:21,876 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:15:21,876 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 02:15:21,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:15:21 BoogieIcfgContainer [2019-01-14 02:15:21,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:15:21,879 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:15:21,879 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:15:21,883 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:15:21,884 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:15:21,884 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:15:21" (1/3) ... [2019-01-14 02:15:21,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cf4a2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:15:21, skipping insertion in model container [2019-01-14 02:15:21,886 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:15:21,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:15:21" (2/3) ... [2019-01-14 02:15:21,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cf4a2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:15:21, skipping insertion in model container [2019-01-14 02:15:21,886 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:15:21,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:15:21" (3/3) ... [2019-01-14 02:15:21,888 INFO L375 chiAutomizerObserver]: Analyzing ICFG Singapore_true-termination_true-valid-memsafety.c [2019-01-14 02:15:21,973 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:15:21,979 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:15:21,979 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:15:21,980 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:15:21,980 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:15:21,980 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:15:21,980 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:15:21,980 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:15:21,980 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:15:22,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 02:15:22,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:15:22,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:15:22,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:15:22,063 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-01-14 02:15:22,063 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:15:22,063 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:15:22,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 02:15:22,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:15:22,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:15:22,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:15:22,066 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-01-14 02:15:22,066 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:15:22,078 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 4#L17true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 6#L18true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 10#L19true assume main_~x~0 + main_~y~0 <= 0; 7#L20-2true [2019-01-14 02:15:22,082 INFO L796 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; 7#L20-2true [2019-01-14 02:15:22,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:22,092 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2019-01-14 02:15:22,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:15:22,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:15:22,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:22,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:15:22,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:22,246 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2019-01-14 02:15:22,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:15:22,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:15:22,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:22,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:15:22,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:22,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:22,259 INFO L82 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2019-01-14 02:15:22,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:15:22,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:15:22,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:22,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:15:22,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:15:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:15:22,377 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:15:22,379 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:15:22,379 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:15:22,379 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:15:22,379 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:15:22,379 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:15:22,380 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:15:22,382 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:15:22,382 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore_true-termination_true-valid-memsafety.c_Iteration1_Loop [2019-01-14 02:15:22,383 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:15:22,384 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:15:22,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:22,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:22,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:22,672 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:15:22,673 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 [2019-01-14 02:15:22,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:22,687 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:22,722 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:22,723 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 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 [2019-01-14 02:15:22,730 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:22,730 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:22,778 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:22,779 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) [2019-01-14 02:15:22,792 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:22,792 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) [2019-01-14 02:15:22,842 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:15:22,842 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:15:22,902 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:22,902 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~x~0=16} Honda state: {ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~x~0=16} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=10}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=9}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [1, 2, 2] Nus: [1, 0] [2019-01-14 02:15:23,154 WARN L181 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-01-14 02:15:23,181 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:15:23,181 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:15:23,182 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:15:23,182 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:15:23,182 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:15:23,182 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:15:23,182 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:15:23,182 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:15:23,183 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2019-01-14 02:15:23,183 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:15:23,183 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:15:23,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:23,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:23,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:23,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:23,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:23,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:23,498 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:15:23,498 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2019-01-14 02:15:23,505 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:23,505 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:23,509 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:23,510 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 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:15:23,533 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:23,533 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:23,554 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:23,555 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} 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 [2019-01-14 02:15:23,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:23,561 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:23,578 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:23,578 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 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 [2019-01-14 02:15:23,608 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:23,609 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:23,613 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:15:23,613 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 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 [2019-01-14 02:15:23,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:15:23,639 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-14 02:15:23,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:15:23,666 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:15:35,706 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 02:15:35,709 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:15:35,710 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:15:35,710 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:15:35,710 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:15:35,710 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:15:35,710 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:15:35,710 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:15:35,711 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:15:35,712 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore_true-termination_true-valid-memsafety.c_Iteration1_Lasso [2019-01-14 02:15:35,712 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:15:35,712 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:15:35,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:35,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:35,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:35,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:35,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:35,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:15:36,199 WARN L181 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 02:15:36,202 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:15:36,209 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:15:36,212 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 [2019-01-14 02:15:36,215 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,216 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:36,224 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:36,225 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:36,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,237 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 [2019-01-14 02:15:36,238 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,240 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:36,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,241 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:36,242 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:36,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:36,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,244 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 [2019-01-14 02:15:36,244 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,245 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:36,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,247 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:36,248 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:36,248 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:36,250 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,252 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 [2019-01-14 02:15:36,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:36,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:36,254 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:15:36,254 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:36,259 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,260 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 [2019-01-14 02:15:36,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:36,268 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:36,269 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:36,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,291 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 [2019-01-14 02:15:36,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,293 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,293 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:15:36,308 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:15:36,308 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:15:36,474 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,476 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 02:15:36,477 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 [2019-01-14 02:15:36,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,478 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 02:15:36,490 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 02:15:36,491 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 02:15:36,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,502 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 [2019-01-14 02:15:36,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,505 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:36,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,507 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 02:15:36,508 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 02:15:36,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:36,515 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,515 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 [2019-01-14 02:15:36,517 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:36,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,523 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 02:15:36,525 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 02:15:36,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:36,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,530 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 [2019-01-14 02:15:36,533 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:15:36,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,536 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,536 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 02:15:36,537 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 02:15:36,539 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:15:36,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,544 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 [2019-01-14 02:15:36,547 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,548 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,548 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 02:15:36,551 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 02:15:36,556 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 02:15:36,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:15:36,571 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 [2019-01-14 02:15:36,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:15:36,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:15:36,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:15:36,582 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 02:15:36,591 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 02:15:36,595 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 02:15:36,762 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:15:36,833 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-01-14 02:15:36,834 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2019-01-14 02:15:36,836 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:15:36,841 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2019-01-14 02:15:36,842 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:15:36,843 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 f1 = 2*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 >= 0] [2019-01-14 02:15:36,871 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-01-14 02:15:37,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:15:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:15:37,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:15:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:15:37,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:15:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 02:15:37,195 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 [2019-01-14 02:15:37,196 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2019-01-14 02:15:37,758 WARN L181 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2019-01-14 02:15:37,778 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 22 states and 27 transitions. Complement of second has 5 states. [2019-01-14 02:15:37,780 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 [2019-01-14 02:15:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-14 02:15:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-01-14 02:15:37,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2019-01-14 02:15:37,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:15:37,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2019-01-14 02:15:37,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:15:37,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-14 02:15:37,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:15:37,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2019-01-14 02:15:37,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:15:37,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-01-14 02:15:37,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 02:15:37,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 02:15:37,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 02:15:37,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 02:15:37,795 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:15:37,795 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:15:37,795 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:15:37,795 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 02:15:37,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 02:15:37,796 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:15:37,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 02:15:37,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:15:37 BoogieIcfgContainer [2019-01-14 02:15:37,802 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:15:37,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:15:37,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:15:37,802 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:15:37,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:15:21" (3/4) ... [2019-01-14 02:15:37,807 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 02:15:37,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:15:37,808 INFO L168 Benchmark]: Toolchain (without parser) took 16699.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.7 MB in the beginning and 899.5 MB in the end (delta: 53.2 MB). Peak memory consumption was 180.0 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:37,809 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-01-14 02:15:37,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.34 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. [2019-01-14 02:15:37,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.05 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. [2019-01-14 02:15:37,811 INFO L168 Benchmark]: Boogie Preprocessor took 32.11 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. [2019-01-14 02:15:37,812 INFO L168 Benchmark]: RCFGBuilder took 348.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:37,813 INFO L168 Benchmark]: BuchiAutomizer took 15923.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.3 MB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:37,814 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 1.2 GB. Free memory was 906.3 MB in the beginning and 899.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:15:37,819 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 333.34 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 51.05 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 32.11 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 348.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15923.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.3 MB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.76 ms. Allocated memory is still 1.2 GB. Free memory was 906.3 MB in the beginning and 899.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 3 * x + 2 * y > 0 then 1 else 0), (if 3 * x + 2 * y > 0 then 3 * x + 2 * y else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 14.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...