./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/terminator_03_false-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/terminator_03_false-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 52ac1cbbf609460dddc737d444d8d8d12fc803ae .................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:59:20,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 22:59:20,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 22:59:20,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 22:59:20,082 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 22:59:20,083 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 22:59:20,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 22:59:20,087 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 22:59:20,089 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 22:59:20,090 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 22:59:20,091 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 22:59:20,091 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 22:59:20,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 22:59:20,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 22:59:20,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 22:59:20,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 22:59:20,096 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 22:59:20,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 22:59:20,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 22:59:20,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 22:59:20,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 22:59:20,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 22:59:20,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 22:59:20,110 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 22:59:20,110 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 22:59:20,112 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 22:59:20,113 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 22:59:20,113 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 22:59:20,117 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 22:59:20,119 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 22:59:20,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 22:59:20,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 22:59:20,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 22:59:20,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 22:59:20,123 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 22:59:20,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 22:59:20,129 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 22:59:20,162 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 22:59:20,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 22:59:20,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 22:59:20,165 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 22:59:20,165 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 22:59:20,165 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 22:59:20,166 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 22:59:20,168 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 22:59:20,168 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 22:59:20,168 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 22:59:20,168 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 22:59:20,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 22:59:20,169 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 22:59:20,169 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 22:59:20,170 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 22:59:20,170 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 22:59:20,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 22:59:20,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 22:59:20,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 22:59:20,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 22:59:20,171 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 22:59:20,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 22:59:20,171 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 22:59:20,171 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 22:59:20,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 22:59:20,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 22:59:20,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 22:59:20,172 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 22:59:20,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 22:59:20,176 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 22:59:20,176 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 22:59:20,177 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 22:59:20,178 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 -> 52ac1cbbf609460dddc737d444d8d8d12fc803ae [2019-01-01 22:59:20,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 22:59:20,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 22:59:20,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 22:59:20,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 22:59:20,250 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 22:59:20,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/terminator_03_false-unreach-call_true-termination.i [2019-01-01 22:59:20,316 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92332996a/8e6d4d1125e0472fa3ea8ee8adb36479/FLAG49c4b4760 [2019-01-01 22:59:20,727 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 22:59:20,728 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/terminator_03_false-unreach-call_true-termination.i [2019-01-01 22:59:20,734 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92332996a/8e6d4d1125e0472fa3ea8ee8adb36479/FLAG49c4b4760 [2019-01-01 22:59:21,103 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92332996a/8e6d4d1125e0472fa3ea8ee8adb36479 [2019-01-01 22:59:21,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 22:59:21,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 22:59:21,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 22:59:21,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 22:59:21,114 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 22:59:21,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5652e022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21, skipping insertion in model container [2019-01-01 22:59:21,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 22:59:21,151 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 22:59:21,316 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:59:21,322 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 22:59:21,341 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:59:21,361 INFO L195 MainTranslator]: Completed translation [2019-01-01 22:59:21,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21 WrapperNode [2019-01-01 22:59:21,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 22:59:21,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 22:59:21,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 22:59:21,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 22:59:21,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 22:59:21,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 22:59:21,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 22:59:21,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 22:59:21,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... [2019-01-01 22:59:21,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 22:59:21,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 22:59:21,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 22:59:21,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 22:59:21,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 22:59:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 22:59:21,924 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 22:59:21,924 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 22:59:21,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:21 BoogieIcfgContainer [2019-01-01 22:59:21,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 22:59:21,926 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 22:59:21,926 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 22:59:21,930 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 22:59:21,931 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:21,931 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 10:59:21" (1/3) ... [2019-01-01 22:59:21,932 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e75cf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:59:21, skipping insertion in model container [2019-01-01 22:59:21,933 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:21,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:21" (2/3) ... [2019-01-01 22:59:21,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e75cf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:59:21, skipping insertion in model container [2019-01-01 22:59:21,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:21,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:21" (3/3) ... [2019-01-01 22:59:21,937 INFO L375 chiAutomizerObserver]: Analyzing ICFG terminator_03_false-unreach-call_true-termination.i [2019-01-01 22:59:22,100 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 22:59:22,101 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 22:59:22,101 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 22:59:22,102 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 22:59:22,102 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 22:59:22,102 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 22:59:22,102 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 22:59:22,102 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 22:59:22,102 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 22:59:22,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:59:22,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 22:59:22,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:22,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:22,154 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 22:59:22,155 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 22:59:22,155 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 22:59:22,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:59:22,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 22:59:22,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:22,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:22,158 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 22:59:22,158 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 22:59:22,167 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L16true assume main_~y~0 > 0; 7#L18-2true [2019-01-01 22:59:22,167 INFO L796 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 7#L18-2true [2019-01-01 22:59:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:22,174 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-01-01 22:59:22,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:22,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:22,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:22,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:22,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:22,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:22,307 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2019-01-01 22:59:22,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:22,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:22,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:22,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:22,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2019-01-01 22:59:22,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:22,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:22,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:22,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:22,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:22,493 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:22,494 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:22,494 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:22,495 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:22,495 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 22:59:22,495 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:22,495 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:22,495 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:22,495 INFO L131 ssoRankerPreferences]: Filename of dumped script: terminator_03_false-unreach-call_true-termination.i_Iteration1_Lasso [2019-01-01 22:59:22,498 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:22,498 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:22,525 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 22:59:22,542 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 22:59:22,552 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 22:59:22,586 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 22:59:22,715 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:22,716 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 22:59:22,721 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:22,722 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:22,729 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:59:22,730 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:59:22,752 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:22,752 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:22,767 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:59:22,767 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:59:22,790 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:22,790 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:22,796 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:59:22,796 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:59:22,819 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:22,819 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 22:59:22,848 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:59:22,848 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:23,022 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 22:59:23,025 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:23,025 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:23,025 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:23,025 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:23,025 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 22:59:23,025 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:23,026 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:23,026 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:23,026 INFO L131 ssoRankerPreferences]: Filename of dumped script: terminator_03_false-unreach-call_true-termination.i_Iteration1_Lasso [2019-01-01 22:59:23,026 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:23,026 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:23,028 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 22:59:23,058 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 22:59:23,072 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 22:59:23,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:23,473 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:23,479 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 22:59:23,481 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 22:59:23,484 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:23,484 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:23,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:23,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:23,485 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:23,488 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:23,488 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:23,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:23,493 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 22:59:23,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:23,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:23,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:23,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:23,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:23,495 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:23,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:23,497 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:23,498 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 22:59:23,498 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:23,498 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:23,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:23,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:23,499 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:23,501 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:23,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:23,503 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:23,503 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 22:59:23,504 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:23,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:23,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:23,505 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:23,511 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 22:59:23,511 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 22:59:23,548 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 22:59:23,562 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 22:59:23,563 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 22:59:23,565 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 22:59:23,568 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-01-01 22:59:23,568 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 22:59:23,569 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2019-01-01 22:59:23,582 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-01-01 22:59:23,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:23,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:23,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:23,914 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 22:59:23,933 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 [2019-01-01 22:59:23,934 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 2 states. [2019-01-01 22:59:24,075 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 2 states. Result 33 states and 39 transitions. Complement of second has 5 states. [2019-01-01 22:59:24,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-01 22:59:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-01 22:59:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-01-01 22:59:24,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-01 22:59:24,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:24,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 3 letters. Loop has 1 letters. [2019-01-01 22:59:24,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:24,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-01 22:59:24,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:24,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2019-01-01 22:59:24,096 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:24,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-01-01 22:59:24,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 22:59:24,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 22:59:24,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 22:59:24,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 22:59:24,102 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:24,102 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:24,103 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:24,104 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 22:59:24,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 22:59:24,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:24,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 22:59:24,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 10:59:24 BoogieIcfgContainer [2019-01-01 22:59:24,111 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 22:59:24,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 22:59:24,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 22:59:24,111 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 22:59:24,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:21" (3/4) ... [2019-01-01 22:59:24,116 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 22:59:24,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 22:59:24,117 INFO L168 Benchmark]: Toolchain (without parser) took 3009.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -83.1 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:24,119 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-01-01 22:59:24,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.83 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:24,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.21 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:24,121 INFO L168 Benchmark]: Boogie Preprocessor took 33.60 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:24,122 INFO L168 Benchmark]: RCFGBuilder took 482.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:24,123 INFO L168 Benchmark]: BuchiAutomizer took 2185.03 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: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:24,124 INFO L168 Benchmark]: Witness Printer took 5.01 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 22:59:24,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.83 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 44.21 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.60 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 482.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2185.03 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: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.01 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 * x + 199 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 14 SDtfs, 15 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie123 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 65ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 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...