./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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/Pure3Phase_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 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:32:48,086 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:32:48,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:32:48,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:32:48,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:32:48,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:32:48,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:32:48,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:32:48,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:32:48,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:32:48,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:32:48,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:32:48,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:32:48,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:32:48,115 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:32:48,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:32:48,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:32:48,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:32:48,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:32:48,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:32:48,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:32:48,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:32:48,129 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:32:48,129 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:32:48,129 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:32:48,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:32:48,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:32:48,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:32:48,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:32:48,135 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:32:48,135 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:32:48,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:32:48,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:32:48,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:32:48,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:32:48,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:32:48,140 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:32:48,178 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:32:48,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:32:48,182 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:32:48,182 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:32:48,182 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:32:48,182 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:32:48,183 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:32:48,184 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:32:48,184 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:32:48,185 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:32:48,185 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:32:48,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:32:48,185 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:32:48,186 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:32:48,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:32:48,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:32:48,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:32:48,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:32:48,186 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:32:48,187 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:32:48,187 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:32:48,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:32:48,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:32:48,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:32:48,192 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:32:48,192 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:32:48,192 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:32:48,192 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:32:48,196 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:32:48,196 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 -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2019-01-01 21:32:48,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:32:48,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:32:48,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:32:48,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:32:48,294 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:32:48,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c [2019-01-01 21:32:48,380 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261bf55a3/0432d146950b440e803dff29f6b0540a/FLAG41d1c0485 [2019-01-01 21:32:48,885 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:32:48,886 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted/Pure3Phase_true-termination_true-valid-memsafety.c [2019-01-01 21:32:48,893 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261bf55a3/0432d146950b440e803dff29f6b0540a/FLAG41d1c0485 [2019-01-01 21:32:49,243 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261bf55a3/0432d146950b440e803dff29f6b0540a [2019-01-01 21:32:49,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:32:49,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:32:49,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:32:49,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:32:49,256 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:32:49,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbc90c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49, skipping insertion in model container [2019-01-01 21:32:49,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:32:49,299 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:32:49,567 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:32:49,574 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:32:49,603 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:32:49,623 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:32:49,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49 WrapperNode [2019-01-01 21:32:49,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:32:49,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:32:49,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:32:49,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:32:49,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:32:49,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:32:49,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:32:49,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:32:49,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (1/1) ... [2019-01-01 21:32:49,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:32:49,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:32:49,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:32:49,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:32:49,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (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 [2019-01-01 21:32:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:32:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:32:50,302 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:32:50,302 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:32:50,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:32:50 BoogieIcfgContainer [2019-01-01 21:32:50,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:32:50,304 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:32:50,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:32:50,309 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:32:50,310 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:32:50,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:32:49" (1/3) ... [2019-01-01 21:32:50,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b69aa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:32:50, skipping insertion in model container [2019-01-01 21:32:50,313 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:32:50,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:32:49" (2/3) ... [2019-01-01 21:32:50,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b69aa50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:32:50, skipping insertion in model container [2019-01-01 21:32:50,313 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:32:50,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:32:50" (3/3) ... [2019-01-01 21:32:50,317 INFO L375 chiAutomizerObserver]: Analyzing ICFG Pure3Phase_true-termination_true-valid-memsafety.c [2019-01-01 21:32:50,396 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:32:50,399 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:32:50,401 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:32:50,401 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:32:50,406 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:32:50,406 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:32:50,406 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:32:50,406 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:32:50,406 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:32:50,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 21:32:50,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:32:50,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:32:50,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:32:50,493 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-01-01 21:32:50,493 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:32:50,493 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:32:50,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 21:32:50,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:32:50,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:32:50,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:32:50,496 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-01-01 21:32:50,497 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:32:50,511 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L24true assume !!(main_~x~0 <= 65535); 11#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 3#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2019-01-01 21:32:50,512 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 4#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2019-01-01 21:32:50,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:50,524 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-01-01 21:32:50,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:50,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:50,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:50,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:50,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:50,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:50,634 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2019-01-01 21:32:50,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:50,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:50,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:50,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:50,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:50,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:50,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2019-01-01 21:32:50,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:50,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:50,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:50,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:50,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:50,828 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:50,829 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:50,829 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:50,831 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:50,832 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:32:50,832 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:50,832 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:50,832 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:50,832 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration1_Loop [2019-01-01 21:32:50,833 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:50,833 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:50,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:50,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:50,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:51,119 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 21:32:51,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:51,457 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-01 21:32:51,539 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:51,540 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 [2019-01-01 21:32:51,545 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:51,546 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:51,574 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:51,574 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 [2019-01-01 21:32:51,582 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:51,582 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:51,606 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:51,606 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 [2019-01-01 21:32:51,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:51,613 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 21:32:51,641 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:32:51,641 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:52,029 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:32:52,032 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:52,032 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:52,032 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:52,032 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:52,032 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:32:52,033 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:52,033 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:52,033 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:52,033 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration1_Loop [2019-01-01 21:32:52,033 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:52,034 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:52,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:52,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:52,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:52,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:52,405 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:52,411 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:32:52,414 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 [2019-01-01 21:32:52,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,419 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:52,424 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:52,424 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:52,435 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,435 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 [2019-01-01 21:32:52,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,438 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:52,441 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:52,442 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:52,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,452 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 [2019-01-01 21:32:52,454 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,454 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:52,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,455 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:52,457 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:52,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:52,467 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,468 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 [2019-01-01 21:32:52,470 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,470 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:52,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,470 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:52,471 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:52,472 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:52,473 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:52,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,484 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:32:52,485 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 [2019-01-01 21:32:52,490 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,491 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:52,499 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:52,500 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:52,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,511 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 [2019-01-01 21:32:52,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,517 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,517 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,517 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:52,520 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:52,521 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:52,543 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,544 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 [2019-01-01 21:32:52,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,545 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:52,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,546 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:52,547 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:52,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:52,562 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,563 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 [2019-01-01 21:32:52,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,564 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:52,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,565 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:52,565 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:52,566 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:52,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:52,573 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,574 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 21:32:52,574 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 [2019-01-01 21:32:52,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,575 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:52,579 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:32:52,580 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:32:52,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,587 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 [2019-01-01 21:32:52,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,589 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:52,592 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:32:52,593 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:32:52,603 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:52,604 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 [2019-01-01 21:32:52,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:52,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:52,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:52,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:52,608 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:52,610 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:52,612 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:52,639 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:32:52,683 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 21:32:52,683 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 21:32:52,685 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:32:52,687 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:32:52,687 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:32:52,688 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-01-01 21:32:52,692 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:32:52,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:52,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:52,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:53,876 WARN L181 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-01-01 21:32:54,311 WARN L181 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-01-01 21:32:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:32:54,332 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 21:32:54,334 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-01-01 21:32:54,509 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 34 states and 43 transitions. Complement of second has 10 states. [2019-01-01 21:32:54,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-01-01 21:32:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 21:32:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-01-01 21:32:54,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-01 21:32:54,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:54,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2019-01-01 21:32:54,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:54,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2019-01-01 21:32:54,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:54,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2019-01-01 21:32:54,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:32:54,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2019-01-01 21:32:54,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-01-01 21:32:54,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-01-01 21:32:54,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-01-01 21:32:54,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 21:32:54,529 INFO L705 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-01-01 21:32:54,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-01-01 21:32:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-01-01 21:32:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-01 21:32:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-01-01 21:32:54,558 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-01-01 21:32:54,558 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-01-01 21:32:54,558 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:32:54,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-01-01 21:32:54,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 21:32:54,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:32:54,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:32:54,560 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 21:32:54,560 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 21:32:54,561 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 108#L24 assume !!(main_~x~0 <= 65535); 111#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 105#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 106#L27-2 assume !!(main_~x~0 >= 0); 109#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 101#L28-2 [2019-01-01 21:32:54,561 INFO L796 eck$LassoCheckResult]: Loop: 101#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 102#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 101#L28-2 [2019-01-01 21:32:54,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:54,561 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2019-01-01 21:32:54,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:54,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:54,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:54,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:54,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:54,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:54,576 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2019-01-01 21:32:54,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:54,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:54,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:54,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:32:54,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:54,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:54,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2019-01-01 21:32:54,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:32:54,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:32:54,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:54,587 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 21:32:54,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:32:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:32:54,645 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:54,646 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:54,646 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:54,646 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:54,647 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:32:54,647 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:54,647 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:54,647 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:54,648 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration2_Loop [2019-01-01 21:32:54,648 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:54,648 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:54,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:54,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:54,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:54,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:54,847 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:54,847 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) [2019-01-01 21:32:54,862 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:54,862 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:54,889 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:54,889 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 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 [2019-01-01 21:32:54,896 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:54,897 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:54,901 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:54,901 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=7} Honda state: {ULTIMATE.start_main_#t~nondet3=7} 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 [2019-01-01 21:32:54,924 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:54,924 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:54,950 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:32:54,950 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-01 21:32:54,964 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:32:54,964 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 21:32:54,999 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:32:55,000 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:32:57,269 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:32:57,272 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:32:57,272 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:32:57,272 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:32:57,272 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:32:57,272 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:32:57,273 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:32:57,273 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:32:57,273 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:32:57,273 INFO L131 ssoRankerPreferences]: Filename of dumped script: Pure3Phase_true-termination_true-valid-memsafety.c_Iteration2_Loop [2019-01-01 21:32:57,273 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:32:57,273 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:32:57,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:57,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:57,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:57,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:32:57,463 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:32:57,463 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:32:57,464 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 [2019-01-01 21:32:57,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,465 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:57,467 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:57,467 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:57,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,470 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 [2019-01-01 21:32:57,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:57,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,472 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:57,472 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:57,473 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:57,473 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:57,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,476 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 [2019-01-01 21:32:57,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:57,477 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,478 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:57,479 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:32:57,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:57,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,484 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 [2019-01-01 21:32:57,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,486 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:32:57,487 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:57,487 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:32:57,491 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,492 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 21:32:57,492 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 [2019-01-01 21:32:57,493 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,493 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:57,495 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:57,495 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:57,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,499 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 [2019-01-01 21:32:57,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,499 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:57,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,500 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:57,500 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:57,501 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:32:57,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:57,506 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,506 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 [2019-01-01 21:32:57,507 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:57,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,508 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:57,509 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 21:32:57,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:57,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,517 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 [2019-01-01 21:32:57,518 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,518 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,519 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 21:32:57,520 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 21:32:57,520 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 21:32:57,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,526 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 21:32:57,526 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 [2019-01-01 21:32:57,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,527 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,528 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:57,530 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 21:32:57,530 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 21:32:57,534 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,535 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 [2019-01-01 21:32:57,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,536 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:57,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,536 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 21:32:57,537 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:57,538 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-01-01 21:32:57,538 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:57,543 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:32:57,544 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 [2019-01-01 21:32:57,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:32:57,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:32:57,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:32:57,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:32:57,546 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 21:32:57,547 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 21:32:57,548 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:32:57,560 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:32:57,582 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-01-01 21:32:57,585 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 21:32:57,585 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:32:57,586 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:32:57,586 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:32:57,586 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2019-01-01 21:32:57,587 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:32:57,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:32:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:57,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:32:57,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:32:58,148 WARN L181 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-01-01 21:32:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:32:58,248 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 21:32:58,249 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-01-01 21:32:58,517 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 6 states. [2019-01-01 21:32:58,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 21:32:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 21:32:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-01-01 21:32:58,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2019-01-01 21:32:58,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:58,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2019-01-01 21:32:58,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:58,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2019-01-01 21:32:58,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:32:58,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-01-01 21:32:58,522 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:32:58,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-01-01 21:32:58,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:32:58,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:32:58,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:32:58,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:32:58,523 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:58,523 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:58,523 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:32:58,523 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 21:32:58,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:32:58,524 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:32:58,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:32:58,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:32:58 BoogieIcfgContainer [2019-01-01 21:32:58,531 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:32:58,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:32:58,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:32:58,532 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:32:58,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:32:50" (3/4) ... [2019-01-01 21:32:58,536 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:32:58,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:32:58,537 INFO L168 Benchmark]: Toolchain (without parser) took 9288.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 951.4 MB in the beginning and 826.6 MB in the end (delta: 124.8 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:58,538 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-01-01 21:32:58,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:58,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.77 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:58,541 INFO L168 Benchmark]: Boogie Preprocessor took 36.96 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:58,541 INFO L168 Benchmark]: RCFGBuilder took 593.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:58,542 INFO L168 Benchmark]: BuchiAutomizer took 8227.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 826.6 MB in the end (delta: 255.8 MB). Peak memory consumption was 255.8 MB. Max. memory is 11.5 GB. [2019-01-01 21:32:58,543 INFO L168 Benchmark]: Witness Printer took 4.61 ms. Allocated memory is still 1.1 GB. Free memory is still 826.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:32:58,548 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 373.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 46.77 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.96 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 593.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8227.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 826.6 MB in the end (delta: 255.8 MB). Peak memory consumption was 255.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.61 ms. Allocated memory is still 1.1 GB. Free memory is still 826.6 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 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.1s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 21 SDslu, 9 SDs, 0 SdLazy, 27 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...