./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/sum01_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loops/sum01_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 3ef497a13bffaa6a3ec01f2d87f935fee9ff2c5a ............................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 22:58:59,644 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 22:58:59,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 22:58:59,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 22:58:59,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 22:58:59,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 22:58:59,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 22:58:59,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 22:58:59,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 22:58:59,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 22:58:59,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 22:58:59,673 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 22:58:59,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 22:58:59,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 22:58:59,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 22:58:59,683 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 22:58:59,685 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 22:58:59,687 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 22:58:59,696 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 22:58:59,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 22:58:59,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 22:58:59,702 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 22:58:59,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 22:58:59,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 22:58:59,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 22:58:59,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 22:58:59,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 22:58:59,712 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 22:58:59,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 22:58:59,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 22:58:59,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 22:58:59,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 22:58:59,714 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 22:58:59,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 22:58:59,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 22:58:59,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 22:58:59,717 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 22:58:59,736 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 22:58:59,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 22:58:59,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 22:58:59,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 22:58:59,738 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 22:58:59,738 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 22:58:59,738 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 22:58:59,738 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 22:58:59,738 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 22:58:59,738 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 22:58:59,739 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 22:58:59,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 22:58:59,739 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 22:58:59,739 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 22:58:59,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 22:58:59,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 22:58:59,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 22:58:59,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 22:58:59,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 22:58:59,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 22:58:59,741 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 22:58:59,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 22:58:59,741 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 22:58:59,741 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 22:58:59,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 22:58:59,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 22:58:59,742 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 22:58:59,742 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 22:58:59,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 22:58:59,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 22:58:59,742 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 22:58:59,743 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 22:58:59,744 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ef497a13bffaa6a3ec01f2d87f935fee9ff2c5a [2019-01-01 22:58:59,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 22:58:59,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 22:58:59,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 22:58:59,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 22:58:59,824 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 22:58:59,825 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/sum01_true-unreach-call_true-termination.i [2019-01-01 22:58:59,900 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a9887ae/e62c3f801b994bc4927ff95a5b19026e/FLAG65c09b276 [2019-01-01 22:59:00,306 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 22:59:00,306 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/sum01_true-unreach-call_true-termination.i [2019-01-01 22:59:00,312 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a9887ae/e62c3f801b994bc4927ff95a5b19026e/FLAG65c09b276 [2019-01-01 22:59:00,674 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a9887ae/e62c3f801b994bc4927ff95a5b19026e [2019-01-01 22:59:00,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 22:59:00,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 22:59:00,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 22:59:00,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 22:59:00,684 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 22:59:00,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e648148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00, skipping insertion in model container [2019-01-01 22:59:00,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 22:59:00,723 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 22:59:00,961 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:59:00,969 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 22:59:00,993 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:59:01,015 INFO L195 MainTranslator]: Completed translation [2019-01-01 22:59:01,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01 WrapperNode [2019-01-01 22:59:01,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 22:59:01,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 22:59:01,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 22:59:01,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 22:59:01,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 22:59:01,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 22:59:01,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 22:59:01,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 22:59:01,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... [2019-01-01 22:59:01,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 22:59:01,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 22:59:01,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 22:59:01,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 22:59:01,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 22:59:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 22:59:01,463 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 22:59:01,463 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 22:59:01,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:01 BoogieIcfgContainer [2019-01-01 22:59:01,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 22:59:01,464 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 22:59:01,464 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 22:59:01,468 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 22:59:01,469 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:01,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 10:59:00" (1/3) ... [2019-01-01 22:59:01,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@148c1c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:59:01, skipping insertion in model container [2019-01-01 22:59:01,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:01,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:01" (2/3) ... [2019-01-01 22:59:01,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@148c1c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:59:01, skipping insertion in model container [2019-01-01 22:59:01,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:01,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:01" (3/3) ... [2019-01-01 22:59:01,479 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_true-unreach-call_true-termination.i [2019-01-01 22:59:01,644 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 22:59:01,647 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 22:59:01,647 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 22:59:01,647 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 22:59:01,647 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 22:59:01,648 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 22:59:01,648 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 22:59:01,648 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 22:59:01,648 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 22:59:01,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:59:01,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 22:59:01,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:01,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:01,716 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 22:59:01,717 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 22:59:01,717 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 22:59:01,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:59:01,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 22:59:01,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:01,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:01,719 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 22:59:01,719 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 22:59:01,728 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~sn~0 := 0; 10#L13true assume !!(main_~n~0 < 1000 && main_~n~0 >= -1000);main_~i~0 := 1; 6#L14-3true [2019-01-01 22:59:01,729 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-3true assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 8#L14-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 6#L14-3true [2019-01-01 22:59:01,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:01,736 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-01-01 22:59:01,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:01,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:01,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:01,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:01,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 1 times [2019-01-01 22:59:01,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:01,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:01,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:01,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:01,859 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 1 times [2019-01-01 22:59:01,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:01,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:01,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:01,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,975 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:01,976 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:01,976 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:01,976 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:01,976 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 22:59:01,976 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:01,977 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:01,977 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:01,977 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_true-unreach-call_true-termination.i_Iteration1_Loop [2019-01-01 22:59:01,977 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:01,977 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:02,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,176 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:02,176 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:02,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:02,182 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 [2019-01-01 22:59:02,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:59:02,209 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:02,230 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:59:02,230 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-2}, {ULTIMATE.start_main_~sn~0=6}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:02,250 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:02,250 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:02,277 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:59:02,277 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:02,433 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 22:59:02,435 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:02,435 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:02,435 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:02,435 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:02,435 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 22:59:02,435 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:02,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:02,436 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:02,436 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_true-unreach-call_true-termination.i_Iteration1_Loop [2019-01-01 22:59:02,436 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:02,436 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:02,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,727 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 22:59:02,805 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:02,810 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 22:59:02,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 22:59:02,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:02,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:02,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:02,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:02,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:02,818 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:02,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:02,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:02,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 22:59:02,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:02,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:02,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:02,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:02,831 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:02,832 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:02,832 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:02,845 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 22:59:02,853 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 22:59:02,853 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 22:59:02,855 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 22:59:02,856 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 22:59:02,856 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 22:59:02,856 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-01-01 22:59:02,858 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 22:59:02,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:02,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:02,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 22:59:03,049 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 [2019-01-01 22:59:03,050 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2019-01-01 22:59:03,114 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 27 states and 33 transitions. Complement of second has 7 states. [2019-01-01 22:59:03,115 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 [2019-01-01 22:59:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-01 22:59:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-01-01 22:59:03,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-01 22:59:03,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:03,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-01 22:59:03,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:03,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-01 22:59:03,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:03,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2019-01-01 22:59:03,130 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:03,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-01-01 22:59:03,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 22:59:03,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 22:59:03,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 22:59:03,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 22:59:03,137 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,137 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,138 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,138 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 22:59:03,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 22:59:03,139 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:03,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 22:59:03,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 10:59:03 BoogieIcfgContainer [2019-01-01 22:59:03,148 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 22:59:03,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 22:59:03,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 22:59:03,148 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 22:59:03,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:01" (3/4) ... [2019-01-01 22:59:03,154 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 22:59:03,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 22:59:03,156 INFO L168 Benchmark]: Toolchain (without parser) took 2478.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -97.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,157 INFO L168 Benchmark]: CDTParser took 1.54 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.76 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.19 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,160 INFO L168 Benchmark]: Boogie Preprocessor took 36.50 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,161 INFO L168 Benchmark]: RCFGBuilder took 363.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,162 INFO L168 Benchmark]: BuchiAutomizer took 1683.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,164 INFO L168 Benchmark]: Witness Printer took 6.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,169 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54 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 336.76 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.19 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.50 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 363.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1683.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 2 * n + -2 * i + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 10 SDslu, 8 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...