./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/java_AG313_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-restricted-15/java_AG313_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 ee2c4bfb4f0e969c72d63e165333f022bc23e626 ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:17:02,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:17:02,573 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:17:02,586 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:17:02,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:17:02,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:17:02,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:17:02,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:17:02,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:17:02,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:17:02,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:17:02,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:17:02,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:17:02,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:17:02,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:17:02,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:17:02,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:17:02,602 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:17:02,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:17:02,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:17:02,612 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:17:02,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:17:02,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:17:02,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:17:02,620 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:17:02,621 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:17:02,625 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:17:02,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:17:02,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:17:02,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:17:02,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:17:02,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:17:02,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:17:02,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:17:02,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:17:02,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:17:02,639 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:17:02,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:17:02,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:17:02,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:17:02,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:17:02,674 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:17:02,674 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:17:02,674 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:17:02,674 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:17:02,675 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:17:02,675 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:17:02,675 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:17:02,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:17:02,675 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:17:02,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:17:02,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:17:02,677 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:17:02,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:17:02,677 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:17:02,677 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:17:02,677 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:17:02,677 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:17:02,679 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:17:02,679 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:17:02,679 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:17:02,679 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:17:02,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:17:02,680 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:17:02,680 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:17:02,681 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:17:02,682 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 -> ee2c4bfb4f0e969c72d63e165333f022bc23e626 [2018-11-28 23:17:02,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:17:02,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:17:02,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:17:02,761 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:17:02,761 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:17:02,762 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/java_AG313_true-termination_true-no-overflow.c [2018-11-28 23:17:02,820 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e994dd0/5f5601435bb842c98f18a4f843e82675/FLAG6f1b3f617 [2018-11-28 23:17:03,242 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:17:03,243 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/java_AG313_true-termination_true-no-overflow.c [2018-11-28 23:17:03,249 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e994dd0/5f5601435bb842c98f18a4f843e82675/FLAG6f1b3f617 [2018-11-28 23:17:03,609 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5e994dd0/5f5601435bb842c98f18a4f843e82675 [2018-11-28 23:17:03,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:17:03,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:17:03,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:03,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:17:03,621 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:17:03,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef72e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03, skipping insertion in model container [2018-11-28 23:17:03,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:17:03,652 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:17:03,838 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:03,843 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:17:03,860 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:03,875 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:17:03,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03 WrapperNode [2018-11-28 23:17:03,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:03,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:03,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:17:03,877 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:17:03,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:03,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:17:03,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:17:03,908 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:17:03,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... [2018-11-28 23:17:03,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:17:03,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:17:03,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:17:03,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:17:03,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:17:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:17:04,210 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:17:04,210 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:17:04,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:04 BoogieIcfgContainer [2018-11-28 23:17:04,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:17:04,212 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:17:04,212 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:17:04,216 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:17:04,217 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:04,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:03" (1/3) ... [2018-11-28 23:17:04,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2906e797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:04, skipping insertion in model container [2018-11-28 23:17:04,218 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:04,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:03" (2/3) ... [2018-11-28 23:17:04,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2906e797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:04, skipping insertion in model container [2018-11-28 23:17:04,219 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:04,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:04" (3/3) ... [2018-11-28 23:17:04,221 INFO L375 chiAutomizerObserver]: Analyzing ICFG java_AG313_true-termination_true-no-overflow.c [2018-11-28 23:17:04,280 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:17:04,281 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:17:04,281 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:17:04,281 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:17:04,282 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:17:04,282 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:17:04,282 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:17:04,282 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:17:04,282 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:17:04,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-28 23:17:04,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:17:04,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:04,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:04,325 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:17:04,325 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:17:04,325 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:17:04,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-28 23:17:04,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:17:04,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:04,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:04,327 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:17:04,327 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:17:04,336 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := 0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L10true assume 0 != main_~x~0; 8#L11-2true [2018-11-28 23:17:04,336 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~i~0 := 1 + main_~i~0;main_~x~0 := main_~x~0 - 1 - (main_~y~0 - 1); 8#L11-2true [2018-11-28 23:17:04,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:04,343 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2018-11-28 23:17:04,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:04,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:04,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:04,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:04,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:04,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:04,442 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2018-11-28 23:17:04,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:04,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:04,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:04,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:04,458 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2018-11-28 23:17:04,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:04,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:04,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:04,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:04,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:04,621 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 23:17:04,710 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:04,711 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:04,711 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:04,711 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:04,711 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:04,712 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:04,712 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:04,712 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:04,712 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_AG313_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:17:04,713 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:04,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:04,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:04,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:04,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:04,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:05,007 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:05,008 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:05,013 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:05,013 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:05,040 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:05,041 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:05,117 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:17:05,120 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:05,120 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:05,120 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:05,120 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:05,120 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:17:05,120 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:05,121 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:05,121 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:05,121 INFO L131 ssoRankerPreferences]: Filename of dumped script: java_AG313_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:17:05,121 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:05,121 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:05,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:05,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:05,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:05,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:05,506 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:05,511 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:17:05,513 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:05,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:05,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:05,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:05,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:05,516 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:05,519 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:17:05,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:05,528 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:17:05,537 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:17:05,537 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:17:05,539 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:17:05,540 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:17:05,540 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:17:05,541 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-11-28 23:17:05,542 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:17:05,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:17:05,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:17:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:17:05,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:17:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:17:05,649 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-28 23:17:05,651 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2018-11-28 23:17:05,751 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 20 states and 23 transitions. Complement of second has 5 states. [2018-11-28 23:17:05,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:17:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-28 23:17:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2018-11-28 23:17:05,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 1 letters. [2018-11-28 23:17:05,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:17:05,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 1 letters. [2018-11-28 23:17:05,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:17:05,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-28 23:17:05,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:17:05,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2018-11-28 23:17:05,770 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:17:05,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2018-11-28 23:17:05,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:17:05,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:17:05,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:17:05,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:17:05,778 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:17:05,778 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:17:05,778 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:17:05,778 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:17:05,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:17:05,779 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:17:05,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:17:05,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:17:05 BoogieIcfgContainer [2018-11-28 23:17:05,787 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:17:05,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:17:05,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:17:05,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:17:05,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:04" (3/4) ... [2018-11-28 23:17:05,793 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:17:05,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:17:05,795 INFO L168 Benchmark]: Toolchain (without parser) took 2180.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -113.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:05,796 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:05,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.72 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:05,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.31 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:05,801 INFO L168 Benchmark]: Boogie Preprocessor took 18.12 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:05,801 INFO L168 Benchmark]: RCFGBuilder took 285.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:05,803 INFO L168 Benchmark]: BuchiAutomizer took 1574.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:05,805 INFO L168 Benchmark]: Witness Printer took 6.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:05,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.72 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 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 30.31 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.12 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 285.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1574.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf93 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...