./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.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-restricted-15/PastaB17_true-termination_true-no-overflow.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 b15653f6a2dde479fee065502d45075dfcaf4f25 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:19:58,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:19:58,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:19:58,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:19:58,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:19:58,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:19:58,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:19:58,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:19:58,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:19:58,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:19:58,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:19:58,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:19:58,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:19:58,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:19:58,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:19:58,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:19:58,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:19:58,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:19:58,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:19:58,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:19:58,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:19:58,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:19:58,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:19:58,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:19:58,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:19:58,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:19:58,861 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:19:58,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:19:58,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:19:58,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:19:58,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:19:58,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:19:58,866 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:19:58,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:19:58,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:19:58,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:19:58,870 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:19:58,887 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:19:58,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:19:58,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:19:58,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:19:58,889 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:19:58,890 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:19:58,890 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:19:58,890 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:19:58,890 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:19:58,890 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:19:58,890 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:19:58,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:19:58,892 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:19:58,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:19:58,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:19:58,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:19:58,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:19:58,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:19:58,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:19:58,894 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:19:58,894 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:19:58,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:19:58,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:19:58,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:19:58,894 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:19:58,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:19:58,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:19:58,896 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:19:58,897 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:19:58,897 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 -> b15653f6a2dde479fee065502d45075dfcaf4f25 [2019-01-14 02:19:58,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:19:58,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:19:58,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:19:58,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:19:58,961 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:19:58,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.c [2019-01-14 02:19:59,022 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5041e43/a7aaa0fccf11492f8c614d61deb4c637/FLAGb2c37cdf2 [2019-01-14 02:19:59,447 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:19:59,447 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/PastaB17_true-termination_true-no-overflow.c [2019-01-14 02:19:59,454 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5041e43/a7aaa0fccf11492f8c614d61deb4c637/FLAGb2c37cdf2 [2019-01-14 02:19:59,821 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5041e43/a7aaa0fccf11492f8c614d61deb4c637 [2019-01-14 02:19:59,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:19:59,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:19:59,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:19:59,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:19:59,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:19:59,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:19:59" (1/1) ... [2019-01-14 02:19:59,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2285a200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:19:59, skipping insertion in model container [2019-01-14 02:19:59,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:19:59" (1/1) ... [2019-01-14 02:19:59,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:19:59,862 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:20:00,067 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:20:00,076 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:20:00,095 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:20:00,114 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:20:00,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00 WrapperNode [2019-01-14 02:20:00,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:20:00,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:20:00,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:20:00,115 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:20:00,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:20:00,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:20:00,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:20:00,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:20:00,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (1/1) ... [2019-01-14 02:20:00,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:20:00,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:20:00,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:20:00,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:20:00,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (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 02:20:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:20:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:20:00,479 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:20:00,480 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-14 02:20:00,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:20:00 BoogieIcfgContainer [2019-01-14 02:20:00,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:20:00,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:20:00,482 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:20:00,486 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:20:00,487 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:20:00,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:19:59" (1/3) ... [2019-01-14 02:20:00,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14a1e4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:20:00, skipping insertion in model container [2019-01-14 02:20:00,488 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:20:00,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:20:00" (2/3) ... [2019-01-14 02:20:00,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14a1e4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:20:00, skipping insertion in model container [2019-01-14 02:20:00,490 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:20:00,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:20:00" (3/3) ... [2019-01-14 02:20:00,492 INFO L375 chiAutomizerObserver]: Analyzing ICFG PastaB17_true-termination_true-no-overflow.c [2019-01-14 02:20:00,588 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:20:00,592 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:20:00,592 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:20:00,592 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:20:00,592 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:20:00,592 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:20:00,593 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:20:00,593 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:20:00,593 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:20:00,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:20:00,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:20:00,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:20:00,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:20:00,652 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:20:00,652 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 02:20:00,652 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:20:00,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 02:20:00,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:20:00,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:20:00,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:20:00,655 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:20:00,655 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 02:20:00,665 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L13-2true [2019-01-14 02:20:00,665 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 > main_~z~0); 7#L14-2true assume !(main_~y~0 > main_~z~0); 6#L14-3true main_~x~0 := main_~x~0 - 1; 5#L13-2true [2019-01-14 02:20:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:00,673 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 02:20:00,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:20:00,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:20:00,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:00,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:20:00,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:00,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:00,791 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-01-14 02:20:00,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:20:00,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:20:00,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:00,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:20:00,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:00,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:00,807 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-01-14 02:20:00,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:20:00,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:20:00,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:00,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:20:00,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:00,902 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:20:00,904 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:20:00,904 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:20:00,904 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:20:00,904 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:20:00,905 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:20:00,905 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:20:00,905 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:20:00,906 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-14 02:20:00,906 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:20:00,906 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:20:00,927 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 02:20:00,945 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 02:20:00,968 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 02:20:01,119 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:20:01,120 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 02:20:01,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:20:01,125 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:20:01,149 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:20:01,149 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 02:20:01,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:20:01,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:20:01,179 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:20:01,179 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 [2019-01-14 02:20:01,185 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:20:01,185 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) [2019-01-14 02:20:01,229 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:20:01,229 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 02:20:01,466 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 02:20:01,468 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:20:01,468 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:20:01,468 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:20:01,469 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:20:01,469 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:20:01,469 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:20:01,469 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:20:01,469 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:20:01,469 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-14 02:20:01,469 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:20:01,470 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:20:01,472 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 02:20:01,479 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 02:20:01,510 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 02:20:01,773 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:20:01,779 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:20:01,781 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 02:20:01,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:20:01,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:20:01,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:20:01,783 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:20:01,789 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:20:01,789 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:20:01,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:20:01,799 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 02:20:01,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:20:01,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:20:01,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:20:01,800 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:20:01,803 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:20:01,803 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:20:01,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:20:01,813 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 02:20:01,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:20:01,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:20:01,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:20:01,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:20:01,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:20:01,817 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:20:01,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:20:01,825 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:20:01,836 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-14 02:20:01,837 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 02:20:01,839 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:20:01,839 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 02:20:01,840 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:20:01,840 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-01-14 02:20:01,843 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 02:20:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:20:02,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:20:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:20:02,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:20:02,210 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 02:20:02,224 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 02:20:02,225 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-01-14 02:20:02,294 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-01-14 02:20:02,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 02:20:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 02:20:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-01-14 02:20:02,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-01-14 02:20:02,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:20:02,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-14 02:20:02,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:20:02,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-01-14 02:20:02,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:20:02,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-01-14 02:20:02,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:20:02,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-01-14 02:20:02,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-01-14 02:20:02,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-01-14 02:20:02,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-01-14 02:20:02,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 02:20:02,324 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-01-14 02:20:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-01-14 02:20:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-01-14 02:20:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-01-14 02:20:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-01-14 02:20:02,352 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-01-14 02:20:02,352 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-01-14 02:20:02,352 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 02:20:02,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-01-14 02:20:02,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:20:02,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:20:02,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:20:02,354 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:20:02,354 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:20:02,354 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 71#L13-2 assume !!(main_~x~0 > main_~z~0); 73#L14-2 [2019-01-14 02:20:02,354 INFO L796 eck$LassoCheckResult]: Loop: 73#L14-2 assume !!(main_~y~0 > main_~z~0);main_~y~0 := main_~y~0 - 1; 73#L14-2 [2019-01-14 02:20:02,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:02,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 02:20:02,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:20:02,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:20:02,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:02,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:20:02,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:02,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:02,363 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-01-14 02:20:02,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:20:02,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:20:02,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:02,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:20:02,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:02,371 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-01-14 02:20:02,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:20:02,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:20:02,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:02,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:20:02,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:20:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:20:02,472 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:20:02,472 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:20:02,472 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:20:02,473 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:20:02,473 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:20:02,473 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:20:02,473 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:20:02,473 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:20:02,473 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration2_Loop [2019-01-14 02:20:02,473 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:20:02,474 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:20:02,475 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 02:20:02,507 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 02:20:02,523 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 02:20:02,600 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:20:02,600 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 02:20:02,604 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:20:02,604 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:20:02,625 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:20:02,625 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) [2019-01-14 02:20:02,636 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:20:02,636 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 02:20:02,686 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:20:02,686 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:20:02,859 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 02:20:02,861 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:20:02,862 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:20:02,862 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:20:02,862 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:20:02,862 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:20:02,862 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:20:02,862 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:20:02,863 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:20:02,863 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaB17_true-termination_true-no-overflow.c_Iteration2_Loop [2019-01-14 02:20:02,863 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:20:02,863 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:20:02,865 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 02:20:02,874 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 02:20:02,883 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 02:20:02,949 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:20:02,949 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:20:02,950 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 02:20:02,951 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:20:02,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:20:02,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:20:02,952 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:20:02,955 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:20:02,955 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:20:02,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:20:02,960 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 02:20:02,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:20:02,960 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:20:02,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:20:02,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:20:02,961 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:20:02,962 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:20:02,962 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:20:02,967 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:20:02,971 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 02:20:02,972 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 02:20:02,972 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:20:02,972 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 02:20:02,973 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:20:02,973 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2019-01-14 02:20:02,973 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 02:20:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:20:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:20:03,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:20:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:20:03,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:20:03,144 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 02:20:03,144 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 02:20:03,144 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-01-14 02:20:03,240 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2019-01-14 02:20:03,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-14 02:20:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-14 02:20:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-01-14 02:20:03,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-14 02:20:03,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:20:03,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. [2019-01-14 02:20:03,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:20:03,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-14 02:20:03,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:20:03,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-01-14 02:20:03,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:20:03,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-01-14 02:20:03,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 02:20:03,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 02:20:03,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 02:20:03,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 02:20:03,252 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:20:03,252 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:20:03,252 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:20:03,253 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 02:20:03,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 02:20:03,256 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:20:03,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 02:20:03,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:20:03 BoogieIcfgContainer [2019-01-14 02:20:03,266 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:20:03,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:20:03,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:20:03,268 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:20:03,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:20:00" (3/4) ... [2019-01-14 02:20:03,275 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 02:20:03,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:20:03,277 INFO L168 Benchmark]: Toolchain (without parser) took 3451.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 996.6 MB in the end (delta: -45.3 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:20:03,283 INFO L168 Benchmark]: CDTParser took 0.15 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 02:20:03,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.93 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. [2019-01-14 02:20:03,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.30 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. [2019-01-14 02:20:03,288 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 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. [2019-01-14 02:20:03,289 INFO L168 Benchmark]: RCFGBuilder took 302.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:20:03,291 INFO L168 Benchmark]: BuchiAutomizer took 2784.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.6 MB in the end (delta: 126.2 MB). Peak memory consumption was 126.2 MB. Max. memory is 11.5 GB. [2019-01-14 02:20:03,293 INFO L168 Benchmark]: Witness Printer took 9.11 ms. Allocated memory is still 1.2 GB. Free memory is still 996.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:20:03,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 287.93 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 40.30 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 23.18 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 302.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2784.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.6 MB in the end (delta: 126.2 MB). Peak memory consumption was 126.2 MB. Max. memory is 11.5 GB. * Witness Printer took 9.11 ms. Allocated memory is still 1.2 GB. Free memory is still 996.6 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 affine ranking function x + -1 * z and consists of 5 locations. One deterministic module has affine ranking function y + -1 * z and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. 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 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax202 hnf98 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...