./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 f3d619d2c1c3b5319c1ba41a41e084c9947cb440 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:26:38,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:26:38,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:26:38,072 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:26:38,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:26:38,073 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:26:38,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:26:38,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:26:38,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:26:38,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:26:38,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:26:38,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:26:38,076 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:26:38,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:26:38,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:26:38,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:26:38,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:26:38,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:26:38,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:26:38,080 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:26:38,081 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:26:38,082 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:26:38,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:26:38,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:26:38,084 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:26:38,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:26:38,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:26:38,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:26:38,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:26:38,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:26:38,086 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:26:38,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:26:38,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:26:38,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:26:38,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:26:38,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:26:38,087 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 01:26:38,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:26:38,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:26:38,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:26:38,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:26:38,097 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:26:38,097 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 01:26:38,097 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 01:26:38,098 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 01:26:38,098 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 01:26:38,098 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 01:26:38,098 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 01:26:38,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:26:38,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 01:26:38,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 01:26:38,100 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:26:38,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:26:38,100 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 01:26:38,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:26:38,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 01:26:38,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:26:38,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:26:38,101 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 01:26:38,101 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:26:38,101 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:26:38,101 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 01:26:38,102 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 01:26:38,102 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_de679d63-be04-4358-9b53-dadf4d3c55ce/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 -> f3d619d2c1c3b5319c1ba41a41e084c9947cb440 [2018-12-09 01:26:38,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:26:38,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:26:38,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:26:38,135 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:26:38,135 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:26:38,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2018-12-09 01:26:38,172 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/data/d64943c0f/9eb2c19734b64f57ab1d9872fe6dde25/FLAGeb1bc8094 [2018-12-09 01:26:38,543 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:26:38,543 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/sv-benchmarks/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2018-12-09 01:26:38,546 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/data/d64943c0f/9eb2c19734b64f57ab1d9872fe6dde25/FLAGeb1bc8094 [2018-12-09 01:26:38,555 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/data/d64943c0f/9eb2c19734b64f57ab1d9872fe6dde25 [2018-12-09 01:26:38,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:26:38,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:26:38,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:26:38,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:26:38,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:26:38,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1e910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38, skipping insertion in model container [2018-12-09 01:26:38,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:26:38,581 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:26:38,670 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:26:38,672 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:26:38,681 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:26:38,689 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:26:38,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38 WrapperNode [2018-12-09 01:26:38,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:26:38,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:26:38,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:26:38,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:26:38,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:26:38,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:26:38,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:26:38,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:26:38,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... [2018-12-09 01:26:38,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:26:38,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:26:38,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:26:38,748 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:26:38,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 [2018-12-09 01:26:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2018-12-09 01:26:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2018-12-09 01:26:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2018-12-09 01:26:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2018-12-09 01:26:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:26:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:26:38,869 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:26:38,869 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 01:26:38,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:26:38 BoogieIcfgContainer [2018-12-09 01:26:38,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:26:38,870 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 01:26:38,870 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 01:26:38,872 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 01:26:38,872 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:26:38,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 01:26:38" (1/3) ... [2018-12-09 01:26:38,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@240b0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:26:38, skipping insertion in model container [2018-12-09 01:26:38,873 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:26:38,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:26:38" (2/3) ... [2018-12-09 01:26:38,874 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@240b0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 01:26:38, skipping insertion in model container [2018-12-09 01:26:38,874 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 01:26:38,874 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:26:38" (3/3) ... [2018-12-09 01:26:38,875 INFO L375 chiAutomizerObserver]: Analyzing ICFG EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2018-12-09 01:26:38,908 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:26:38,909 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 01:26:38,909 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 01:26:38,909 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 01:26:38,909 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:26:38,909 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:26:38,909 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 01:26:38,909 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:26:38,909 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 01:26:38,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-12-09 01:26:38,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-12-09 01:26:38,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:26:38,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:26:38,939 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-09 01:26:38,939 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:26:38,939 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 01:26:38,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-12-09 01:26:38,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-12-09 01:26:38,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 01:26:38,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 01:26:38,941 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-09 01:26:38,941 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:26:38,946 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~n~0, main_~result~0, main_~mod~0;main_~n~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L39true assume !(main_~n~0 < 0); 13#L42true call main_#t~ret3 := isEven(main_~n~0);< 8#isEvenENTRYtrue [2018-12-09 01:26:38,946 INFO L796 eck$LassoCheckResult]: Loop: 8#isEvenENTRYtrue ~n := #in~n; 6#L27true assume !(0 == ~n); 9#L29true assume !(1 == ~n); 23#L32true call #t~ret1 := isOdd(~n - 1);< 22#isOddENTRYtrue ~n := #in~n; 20#L17true assume !(0 == ~n); 14#L19true assume !(1 == ~n); 7#L22true call #t~ret0 := isEven(~n - 1);< 8#isEvenENTRYtrue [2018-12-09 01:26:38,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:26:38,950 INFO L82 PathProgramCache]: Analyzing trace with hash 54793, now seen corresponding path program 1 times [2018-12-09 01:26:38,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:26:38,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:26:38,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:26:38,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:26:38,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:26:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:26:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:26:39,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:26:39,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2011678405, now seen corresponding path program 1 times [2018-12-09 01:26:39,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:26:39,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:26:39,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:26:39,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:26:39,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:26:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:26:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:26:39,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:26:39,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1322652877, now seen corresponding path program 1 times [2018-12-09 01:26:39,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:26:39,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:26:39,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:26:39,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:26:39,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:26:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:26:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:26:39,135 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 01:26:39,135 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 01:26:39,136 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 01:26:39,136 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 01:26:39,136 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 01:26:39,136 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,136 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 01:26:39,136 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 01:26:39,136 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-12-09 01:26:39,136 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 01:26:39,136 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 01:26:39,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,260 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 01:26:39,260 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 [2018-12-09 01:26:39,264 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,264 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,268 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,269 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=0} Honda state: {isOdd_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 [2018-12-09 01:26:39,283 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,283 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,285 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,285 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 [2018-12-09 01:26:39,300 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,300 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,303 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,303 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 [2018-12-09 01:26:39,318 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,318 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,320 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,320 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/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 [2018-12-09 01:26:39,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,335 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,351 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 01:26:39,351 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,381 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,381 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=-4} Honda state: {isEven_#in~n=-4} Generalized eigenvectors: [{isEven_#in~n=0}, {isEven_#in~n=-1}, {isEven_#in~n=-1}] Lambdas: [6, 0, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,396 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,396 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,399 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,399 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,414 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,416 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,416 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,431 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,432 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,433 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-09 01:26:39,465 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 01:26:39,465 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 01:26:39,465 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 01:26:39,465 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 01:26:39,465 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 01:26:39,465 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,465 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 01:26:39,465 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 01:26:39,465 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2018-12-09 01:26:39,465 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 01:26:39,466 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 01:26:39,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,562 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 01:26:39,562 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,564 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,564 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,567 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,567 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=0} Honda state: {isOdd_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,582 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,582 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,584 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,585 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,607 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,613 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,613 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3=0} Honda state: {ULTIMATE.start_main_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,628 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,628 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,630 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,630 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,645 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,645 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,648 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,648 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,665 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,667 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,668 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=0} Honda state: {ULTIMATE.start_main_~n~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,683 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,683 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,685 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,685 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,700 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,700 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,703 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,703 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,718 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,720 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,720 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret4=0} Honda state: {ULTIMATE.start_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,735 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,736 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,738 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 01:26:39,738 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,753 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 01:26:39,753 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de679d63-be04-4358-9b53-dadf4d3c55ce/bin-2019/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 01:26:39,770 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 01:26:39,813 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 01:26:39,814 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 01:26:39,814 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 01:26:39,814 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 01:26:39,815 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 01:26:39,815 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 01:26:39,815 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 01:26:39,815 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 01:26:39,815 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 01:26:39,815 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2018-12-09 01:26:39,815 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 01:26:39,815 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 01:26:39,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 01:26:39,917 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 01:26:39,920 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 01:26:39,922 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 [2018-12-09 01:26:39,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,923 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,923 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,925 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,927 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 [2018-12-09 01:26:39,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,928 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,929 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,930 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 [2018-12-09 01:26:39,930 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,931 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,931 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,932 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 [2018-12-09 01:26:39,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,933 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,933 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,933 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,933 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,934 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 [2018-12-09 01:26:39,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,935 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,936 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,937 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 [2018-12-09 01:26:39,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,938 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,939 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 [2018-12-09 01:26:39,940 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,940 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,941 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,941 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,942 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 [2018-12-09 01:26:39,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,943 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,943 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,943 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,944 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,944 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 [2018-12-09 01:26:39,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,945 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,946 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,947 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 [2018-12-09 01:26:39,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 01:26:39,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 01:26:39,948 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,948 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 01:26:39,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 01:26:39,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 01:26:39,949 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 [2018-12-09 01:26:39,950 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 01:26:39,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 01:26:39,950 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 01:26:39,950 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 01:26:39,954 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-12-09 01:26:39,954 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 01:26:39,993 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 01:26:40,007 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-09 01:26:40,007 INFO L444 ModelExtractionUtils]: 6 out of 11 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-12-09 01:26:40,009 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 01:26:40,011 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-12-09 01:26:40,011 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 01:26:40,012 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(isEven_#in~n) = 1*isEven_#in~n Supporting invariants [1*isEven_#in~n >= 0] [2018-12-09 01:26:40,017 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-12-09 01:26:40,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:26:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:26:40,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:26:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:26:40,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:26:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:26:40,173 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2018-12-09 01:26:40,173 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 8 states. [2018-12-09 01:26:40,366 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 8 states. Result 87 states and 98 transitions. Complement of second has 29 states. [2018-12-09 01:26:40,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-12-09 01:26:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-12-09 01:26:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2018-12-09 01:26:40,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 8 letters. [2018-12-09 01:26:40,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 01:26:40,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 11 letters. Loop has 8 letters. [2018-12-09 01:26:40,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 01:26:40,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 16 letters. [2018-12-09 01:26:40,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 01:26:40,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 98 transitions. [2018-12-09 01:26:40,374 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 01:26:40,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2018-12-09 01:26:40,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 01:26:40,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 01:26:40,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 01:26:40,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 01:26:40,377 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:26:40,377 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:26:40,377 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:26:40,377 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 01:26:40,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:26:40,377 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 01:26:40,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 01:26:40,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 01:26:40 BoogieIcfgContainer [2018-12-09 01:26:40,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 01:26:40,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:26:40,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:26:40,381 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:26:40,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:26:38" (3/4) ... [2018-12-09 01:26:40,383 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:26:40,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:26:40,384 INFO L168 Benchmark]: Toolchain (without parser) took 1826.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -102.6 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:26:40,385 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:26:40,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.81 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:26:40,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.09 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:26:40,385 INFO L168 Benchmark]: Boogie Preprocessor took 39.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:26:40,386 INFO L168 Benchmark]: RCFGBuilder took 121.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:26:40,386 INFO L168 Benchmark]: BuchiAutomizer took 1511.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:26:40,386 INFO L168 Benchmark]: Witness Printer took 2.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:26:40,388 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.81 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.09 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 121.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1511.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 29 SDslu, 22 SDs, 0 SdLazy, 96 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf97 smp100 dnf502 smp17 tf102 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 62ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...