./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/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 6b853b7a72b17d5b4054a16a7ba98c728e55c23b ............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:10:37,926 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:10:37,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:10:37,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:10:37,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:10:37,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:10:37,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:10:37,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:10:37,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:10:37,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:10:37,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:10:37,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:10:37,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:10:37,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:10:37,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:10:37,946 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:10:37,948 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:10:37,949 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:10:37,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:10:37,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:10:37,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:10:37,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:10:37,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:10:37,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:10:37,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:10:37,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:10:37,958 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:10:37,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:10:37,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:10:37,961 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:10:37,961 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:10:37,962 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:10:37,962 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:10:37,962 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:10:37,963 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:10:37,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:10:37,964 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:10:37,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:10:37,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:10:37,976 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:10:37,976 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:10:37,977 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:10:37,977 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:10:37,977 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:10:37,977 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:10:37,977 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:10:37,977 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:10:37,977 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:10:37,978 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:10:37,978 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:10:37,978 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:10:37,978 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:10:37,978 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:10:37,978 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:10:37,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:10:37,979 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:10:37,979 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:10:37,979 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:10:37,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:10:37,981 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:10:37,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:10:37,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:10:37,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:10:37,981 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:10:37,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:10:37,982 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:10:37,982 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:10:37,982 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:10:37,983 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_9878bfb9-801a-47fa-8462-38f4212377fe/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 -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2018-10-27 06:10:38,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:10:38,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:10:38,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:10:38,044 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:10:38,044 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:10:38,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i [2018-10-27 06:10:38,091 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/data/964503190/d38e24b1fe1e4fd4b326a7ffcb19aeb0/FLAGdeaa6a5da [2018-10-27 06:10:38,466 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:10:38,466 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/sv-benchmarks/c/loop-invgen/id_trans_false-unreach-call_true-termination.i [2018-10-27 06:10:38,475 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/data/964503190/d38e24b1fe1e4fd4b326a7ffcb19aeb0/FLAGdeaa6a5da [2018-10-27 06:10:38,487 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/bin-2019/uautomizer/data/964503190/d38e24b1fe1e4fd4b326a7ffcb19aeb0 [2018-10-27 06:10:38,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:10:38,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:10:38,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:10:38,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:10:38,494 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:10:38,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e259bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38, skipping insertion in model container [2018-10-27 06:10:38,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:10:38,527 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:10:38,679 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:10:38,682 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:10:38,697 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:10:38,711 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:10:38,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38 WrapperNode [2018-10-27 06:10:38,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:10:38,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:10:38,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:10:38,713 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:10:38,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:10:38,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:10:38,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:10:38,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:10:38,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... [2018-10-27 06:10:38,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:10:38,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:10:38,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:10:38,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:10:38,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/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 [2018-10-27 06:10:38,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:10:38,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:10:39,256 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:10:39,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:10:39 BoogieIcfgContainer [2018-10-27 06:10:39,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:10:39,257 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:10:39,257 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:10:39,260 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:10:39,261 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:10:39,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:10:38" (1/3) ... [2018-10-27 06:10:39,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a8d1f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:10:39, skipping insertion in model container [2018-10-27 06:10:39,262 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:10:39,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:10:38" (2/3) ... [2018-10-27 06:10:39,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a8d1f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:10:39, skipping insertion in model container [2018-10-27 06:10:39,263 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:10:39,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:10:39" (3/3) ... [2018-10-27 06:10:39,264 INFO L375 chiAutomizerObserver]: Analyzing ICFG id_trans_false-unreach-call_true-termination.i [2018-10-27 06:10:39,339 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:10:39,341 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:10:39,341 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:10:39,341 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:10:39,341 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:10:39,341 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:10:39,341 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:10:39,341 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:10:39,341 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:10:39,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2018-10-27 06:10:39,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2018-10-27 06:10:39,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:10:39,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:10:39,378 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:10:39,378 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:10:39,379 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:10:39,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2018-10-27 06:10:39,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2018-10-27 06:10:39,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:10:39,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:10:39,381 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:10:39,381 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:10:39,386 INFO L793 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~idBitLength~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~material_length~0 := main_#t~nondet3;havoc main_#t~nondet3; 4#L16true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && main_~idBitLength~0 % 32 != 0 then main_~idBitLength~0 / 32 + 1 else main_~idBitLength~0 / 32));main_~j~0 := 0; 18#L17-4true [2018-10-27 06:10:39,387 INFO L795 eck$LassoCheckResult]: Loop: 18#L17-4true assume true; 5#L17-1true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && main_~idBitLength~0 % 8 != 0 then main_~idBitLength~0 / 8 + 1 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 23#L4true assume !(__VERIFIER_assert_~cond == 0); 16#L4-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 12#L4-3true assume !(__VERIFIER_assert_~cond == 0); 10#L4-5true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && main_~j~0 % 4 != 0 then main_~j~0 / 4 + 1 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 8#L4-6true assume !(__VERIFIER_assert_~cond == 0); 7#L4-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && main_~j~0 % 4 != 0 then main_~j~0 / 4 + 1 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L4-9true assume !(__VERIFIER_assert_~cond == 0); 22#L4-11true assume { :end_inline___VERIFIER_assert } true; 21#L17-3true main_#t~post4 := main_~j~0;main_~j~0 := main_#t~post4 + 1;havoc main_#t~post4; 18#L17-4true [2018-10-27 06:10:39,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:39,391 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-10-27 06:10:39,392 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:39,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:39,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:39,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:39,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:39,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:39,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1565478712, now seen corresponding path program 1 times [2018-10-27 06:10:39,485 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:39,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:39,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:39,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:39,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:39,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:39,515 INFO L82 PathProgramCache]: Analyzing trace with hash 129763397, now seen corresponding path program 1 times [2018-10-27 06:10:39,515 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:10:39,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:10:39,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:39,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:10:39,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:10:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:10:39,838 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-27 06:10:41,563 WARN L179 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 158 DAG size of output: 23 [2018-10-27 06:10:41,575 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:41,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:41,576 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:41,576 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:41,576 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:10:41,576 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:41,576 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:41,577 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:41,577 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_trans_false-unreach-call_true-termination.i_Iteration1_Loop [2018-10-27 06:10:41,577 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:41,577 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:41,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:10:41,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:10:41,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:10:41,678 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:41,679 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/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 [2018-10-27 06:10:41,696 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:41,696 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:41,701 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:10:41,702 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond=1, ULTIMATE.start___VERIFIER_assert_#in~cond=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/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 [2018-10-27 06:10:41,720 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:41,720 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:41,724 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:10:41,724 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/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) [2018-10-27 06:10:41,767 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:10:41,767 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9878bfb9-801a-47fa-8462-38f4212377fe/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 [2018-10-27 06:10:41,873 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:10:41,874 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:10:41,957 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:10:41,958 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:10:41,958 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:10:41,958 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:10:41,958 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:10:41,958 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:10:41,959 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:10:41,959 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:10:41,959 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:10:41,959 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_trans_false-unreach-call_true-termination.i_Iteration1_Loop [2018-10-27 06:10:41,959 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:10:41,959 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:10:41,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:10:41,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:10:41,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:10:42,279 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-27 06:10:42,279 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:10:42,283 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:10:42,284 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 [2018-10-27 06:10:42,285 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:42,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:42,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:42,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:42,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:42,288 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:42,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:42,301 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:10:42,301 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 [2018-10-27 06:10:42,302 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:42,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:42,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:42,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:42,302 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:42,303 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:42,303 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:42,304 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:10:42,304 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 [2018-10-27 06:10:42,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:10:42,306 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:10:42,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:10:42,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:10:42,306 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:10:42,307 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:10:42,307 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:10:42,318 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:10:42,341 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:10:42,342 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:10:42,343 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:10:42,343 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:10:42,344 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:10:42,344 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~material_length~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~material_length~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2018-10-27 06:10:42,345 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:10:42,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:10:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:42,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:10:42,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:10:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:10:42,485 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 [2018-10-27 06:10:42,487 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 4 states. [2018-10-27 06:10:42,665 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 4 states. Result 63 states and 75 transitions. Complement of second has 7 states. [2018-10-27 06:10:42,666 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 [2018-10-27 06:10:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-10-27 06:10:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2018-10-27 06:10:42,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 3 letters. Loop has 11 letters. [2018-10-27 06:10:42,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:42,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 14 letters. Loop has 11 letters. [2018-10-27 06:10:42,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:42,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 3 letters. Loop has 22 letters. [2018-10-27 06:10:42,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:10:42,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 75 transitions. [2018-10-27 06:10:42,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:10:42,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 0 states and 0 transitions. [2018-10-27 06:10:42,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:10:42,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:10:42,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:10:42,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:10:42,679 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:42,679 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:42,679 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:10:42,679 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:10:42,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:10:42,680 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:10:42,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:10:42,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:10:42 BoogieIcfgContainer [2018-10-27 06:10:42,685 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:10:42,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:10:42,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:10:42,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:10:42,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:10:39" (3/4) ... [2018-10-27 06:10:42,689 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:10:42,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:10:42,690 INFO L168 Benchmark]: Toolchain (without parser) took 4200.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 962.5 MB in the beginning and 1.2 GB in the end (delta: -212.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:42,691 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:10:42,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.20 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:42,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.15 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:10:42,692 INFO L168 Benchmark]: Boogie Preprocessor took 28.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:42,693 INFO L168 Benchmark]: RCFGBuilder took 483.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -205.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:42,693 INFO L168 Benchmark]: BuchiAutomizer took 3428.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -22.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:10:42,694 INFO L168 Benchmark]: Witness Printer took 3.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:10:42,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.20 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 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 31.15 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 483.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -205.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3428.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.0 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -22.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 material_length + -1 * j and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 35 SDslu, 17 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf96 lsp79 ukn100 mio100 lsp100 div413 bol100 ite100 ukn100 eq106 hnf47 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...