./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_nondet_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_nondet_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer --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 9fd1256c2d1a2a7addc977ee1afbd9fb771e7363 ........................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:25:01,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:25:01,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:25:01,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:25:01,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:25:01,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:25:01,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:25:01,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:25:01,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:25:01,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:25:01,202 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:25:01,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:25:01,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:25:01,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:25:01,204 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:25:01,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:25:01,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:25:01,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:25:01,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:25:01,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:25:01,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:25:01,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:25:01,212 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:25:01,212 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:25:01,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:25:01,213 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:25:01,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:25:01,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:25:01,214 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:25:01,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:25:01,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:25:01,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:25:01,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:25:01,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:25:01,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:25:01,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:25:01,217 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 13:25:01,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:25:01,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:25:01,229 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:25:01,229 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:25:01,229 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:25:01,229 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 13:25:01,229 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 13:25:01,230 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:25:01,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:25:01,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 13:25:01,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:25:01,232 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:25:01,232 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 13:25:01,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:25:01,232 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:25:01,232 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 13:25:01,233 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 13:25:01,233 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer 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 -> 9fd1256c2d1a2a7addc977ee1afbd9fb771e7363 [2018-11-23 13:25:01,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:25:01,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:25:01,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:25:01,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:25:01,268 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:25:01,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/../../sv-benchmarks/c/loop-new/count_by_nondet_true-unreach-call_true-termination.i [2018-11-23 13:25:01,312 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/data/97b465956/d1f97c85f7284838a9bb6f07ef212d47/FLAGe512025c9 [2018-11-23 13:25:01,719 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:25:01,720 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/sv-benchmarks/c/loop-new/count_by_nondet_true-unreach-call_true-termination.i [2018-11-23 13:25:01,724 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/data/97b465956/d1f97c85f7284838a9bb6f07ef212d47/FLAGe512025c9 [2018-11-23 13:25:01,733 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/data/97b465956/d1f97c85f7284838a9bb6f07ef212d47 [2018-11-23 13:25:01,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:25:01,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:25:01,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:25:01,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:25:01,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:25:01,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ef1641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01, skipping insertion in model container [2018-11-23 13:25:01,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:25:01,759 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:25:01,864 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:25:01,867 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:25:01,876 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:25:01,884 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:25:01,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01 WrapperNode [2018-11-23 13:25:01,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:25:01,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:25:01,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:25:01,885 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:25:01,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:25:01,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:25:01,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:25:01,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:25:01,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... [2018-11-23 13:25:01,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:25:01,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:25:01,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:25:01,913 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:25:01,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:25:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:25:01,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:25:02,059 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:25:02,059 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 13:25:02,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:02 BoogieIcfgContainer [2018-11-23 13:25:02,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:25:02,060 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 13:25:02,060 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 13:25:02,062 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 13:25:02,062 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:25:02,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:25:01" (1/3) ... [2018-11-23 13:25:02,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54dfd7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:25:02, skipping insertion in model container [2018-11-23 13:25:02,063 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:25:02,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:25:01" (2/3) ... [2018-11-23 13:25:02,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54dfd7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:25:02, skipping insertion in model container [2018-11-23 13:25:02,064 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:25:02,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:02" (3/3) ... [2018-11-23 13:25:02,065 INFO L375 chiAutomizerObserver]: Analyzing ICFG count_by_nondet_true-unreach-call_true-termination.i [2018-11-23 13:25:02,097 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:25:02,097 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 13:25:02,097 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 13:25:02,097 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 13:25:02,097 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:25:02,097 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:25:02,098 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 13:25:02,098 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:25:02,098 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 13:25:02,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 13:25:02,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:25:02,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:25:02,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:25:02,124 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 13:25:02,124 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:25:02,124 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 13:25:02,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 13:25:02,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:25:02,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:25:02,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:25:02,126 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 13:25:02,126 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:25:02,132 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; 7#L13-2true [2018-11-23 13:25:02,132 INFO L796 eck$LassoCheckResult]: Loop: 7#L13-2true assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L15true assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post2 := main_~k~0;main_~k~0 := 1 + main_#t~post2;havoc main_#t~post2; 7#L13-2true [2018-11-23 13:25:02,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:25:02,136 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 13:25:02,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:25:02,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:25:02,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:25:02,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:25:02,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:25:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:25:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:25:02,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:25:02,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2018-11-23 13:25:02,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:25:02,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:25:02,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:25:02,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:25:02,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:25:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:25:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:25:02,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:25:02,214 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-11-23 13:25:02,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:25:02,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:25:02,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:25:02,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:25:02,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:25:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:25:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:25:02,268 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:25:02,269 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:25:02,269 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:25:02,269 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:25:02,269 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 13:25:02,269 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:25:02,269 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:25:02,269 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:25:02,270 INFO L131 ssoRankerPreferences]: Filename of dumped script: count_by_nondet_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-23 13:25:02,270 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:25:02,270 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:25:02,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:25:02,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:25:02,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:25:02,376 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:25:02,377 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:25:02,381 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:25:02,381 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:25:02,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 13:25:02,398 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:25:02,411 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:25:02,411 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0} Honda state: {ULTIMATE.start_main_~k~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~k~0=-1}, {ULTIMATE.start_main_~k~0=1}, {ULTIMATE.start_main_~k~0=1}] Lambdas: [2, 0, 1] Nus: [1, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/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 [2018-11-23 13:25:02,426 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:25:02,426 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:25:02,429 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:25:02,429 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/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 [2018-11-23 13:25:02,454 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:25:02,454 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171727c8-2f56-4470-896a-1c19ac25964c/bin-2019/uautomizer/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 [2018-11-23 13:25:02,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 13:25:02,474 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:25:14,558 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 13:25:14,564 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:25:14,564 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:25:14,564 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:25:14,565 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:25:14,565 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 13:25:14,565 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:25:14,565 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:25:14,565 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:25:14,565 INFO L131 ssoRankerPreferences]: Filename of dumped script: count_by_nondet_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-23 13:25:14,565 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:25:14,565 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:25:14,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:25:14,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:25:14,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:25:14,624 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:25:14,627 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 13:25:14,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 13:25:14,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:25:14,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:25:14,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:25:14,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:25:14,630 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:25:14,631 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:25:14,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:25:14,636 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:25:14,636 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 13:25:14,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:25:14,637 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:25:14,637 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:25:14,637 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:25:14,637 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:25:14,637 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:25:14,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:25:14,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:25:14,639 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 13:25:14,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:25:14,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:25:14,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:25:14,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:25:14,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:25:14,640 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:25:14,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:25:14,647 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 13:25:14,650 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 13:25:14,650 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 13:25:14,652 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 13:25:14,652 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 13:25:14,652 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 13:25:14,653 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2018-11-23 13:25:14,654 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 13:25:14,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:25:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:25:14,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:25:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:25:14,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:25:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:25:14,707 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 [2018-11-23 13:25:14,708 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2018-11-23 13:25:14,742 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 32 states and 38 transitions. Complement of second has 7 states. [2018-11-23 13:25:14,743 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 [2018-11-23 13:25:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:25:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2018-11-23 13:25:14,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-23 13:25:14,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:25:14,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-23 13:25:14,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:25:14,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-23 13:25:14,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:25:14,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 38 transitions. [2018-11-23 13:25:14,750 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 13:25:14,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-23 13:25:14,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 13:25:14,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 13:25:14,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 13:25:14,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 13:25:14,753 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:25:14,753 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:25:14,753 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:25:14,753 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 13:25:14,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:25:14,754 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 13:25:14,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 13:25:14,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:25:14 BoogieIcfgContainer [2018-11-23 13:25:14,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 13:25:14,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:25:14,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:25:14,759 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:25:14,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:25:02" (3/4) ... [2018-11-23 13:25:14,761 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:25:14,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:25:14,762 INFO L168 Benchmark]: Toolchain (without parser) took 13026.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -70.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:14,763 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:25:14,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.41 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:14,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.71 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:14,765 INFO L168 Benchmark]: Boogie Preprocessor took 10.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:25:14,765 INFO L168 Benchmark]: RCFGBuilder took 146.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:14,765 INFO L168 Benchmark]: BuchiAutomizer took 12698.27 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: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:14,766 INFO L168 Benchmark]: Witness Printer took 3.22 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. [2018-11-23 13:25:14,768 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.41 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 16.71 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 146.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12698.27 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: 84.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 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 * i + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 8 SDtfs, 10 SDslu, 13 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...