./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/EvenOdd03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/EvenOdd03.c -s /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 0.1.24-678e011 [2019-11-20 05:12:18,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:12:18,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:12:18,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:12:18,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:12:18,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:12:18,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:12:19,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:12:19,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:12:19,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:12:19,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:12:19,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:12:19,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:12:19,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:12:19,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:12:19,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:12:19,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:12:19,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:12:19,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:12:19,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:12:19,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:12:19,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:12:19,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:12:19,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:12:19,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:12:19,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:12:19,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:12:19,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:12:19,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:12:19,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:12:19,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:12:19,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:12:19,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:12:19,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:12:19,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:12:19,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:12:19,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:12:19,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:12:19,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:12:19,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:12:19,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:12:19,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 05:12:19,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:12:19,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:12:19,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:12:19,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:12:19,053 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:12:19,054 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:12:19,054 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:12:19,054 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:12:19,054 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:12:19,055 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:12:19,055 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:12:19,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:12:19,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:12:19,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:12:19,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:12:19,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:12:19,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:12:19,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:12:19,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:12:19,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:12:19,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:12:19,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:12:19,058 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:12:19,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:12:19,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:12:19,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:12:19,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:12:19,059 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:12:19,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:12:19,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:12:19,060 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:12:19,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:12:19,061 INFO L138 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:19,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:12:19,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:12:19,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:12:19,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:12:19,229 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:12:19,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/../../sv-benchmarks/c/recursive/EvenOdd03.c [2019-11-20 05:12:19,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/data/0ed114b92/c9df3914db24465185693bfd7568e291/FLAG40daf5c22 [2019-11-20 05:12:19,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:12:19,713 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/sv-benchmarks/c/recursive/EvenOdd03.c [2019-11-20 05:12:19,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/data/0ed114b92/c9df3914db24465185693bfd7568e291/FLAG40daf5c22 [2019-11-20 05:12:20,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/data/0ed114b92/c9df3914db24465185693bfd7568e291 [2019-11-20 05:12:20,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:12:20,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:12:20,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:12:20,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:12:20,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:12:20,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dad0900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20, skipping insertion in model container [2019-11-20 05:12:20,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,172 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:12:20,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:12:20,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:12:20,426 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:12:20,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:12:20,571 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:12:20,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20 WrapperNode [2019-11-20 05:12:20,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:12:20,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:12:20,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:12:20,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:12:20,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:12:20,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:12:20,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:12:20,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:12:20,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... [2019-11-20 05:12:20,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:12:20,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:12:20,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:12:20,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:12:20,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2019-11-20 05:12:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2019-11-20 05:12:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2019-11-20 05:12:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2019-11-20 05:12:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:12:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:12:20,928 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:12:20,928 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 05:12:20,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:20 BoogieIcfgContainer [2019-11-20 05:12:20,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:12:20,930 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:12:20,930 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:12:20,936 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:12:20,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:12:20,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:12:20" (1/3) ... [2019-11-20 05:12:20,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56cd20d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:12:20, skipping insertion in model container [2019-11-20 05:12:20,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:12:20,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:20" (2/3) ... [2019-11-20 05:12:20,939 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56cd20d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:12:20, skipping insertion in model container [2019-11-20 05:12:20,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:12:20,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:20" (3/3) ... [2019-11-20 05:12:20,942 INFO L371 chiAutomizerObserver]: Analyzing ICFG EvenOdd03.c [2019-11-20 05:12:21,011 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:12:21,011 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:12:21,011 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:12:21,011 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:12:21,011 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:12:21,012 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:12:21,012 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:12:21,012 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:12:21,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-11-20 05:12:21,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 05:12:21,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:12:21,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:12:21,066 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 05:12:21,066 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:12:21,066 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:12:21,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-11-20 05:12:21,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 05:12:21,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:12:21,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:12:21,070 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 05:12:21,070 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:12:21,079 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~n~0, main_~result~0, main_~mod~0;main_~n~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L39true assume !(main_~n~0 < 0); 13#L42true call main_#t~ret3 := isEven(main_~n~0);< 8#isEvenENTRYtrue [2019-11-20 05:12:21,080 INFO L796 eck$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 [2019-11-20 05:12:21,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:12:21,088 INFO L82 PathProgramCache]: Analyzing trace with hash 54793, now seen corresponding path program 1 times [2019-11-20 05:12:21,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:12:21,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640815500] [2019-11-20 05:12:21,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:12:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:12:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:12:21,201 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:12:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:12:21,202 INFO L82 PathProgramCache]: Analyzing trace with hash 2011678405, now seen corresponding path program 1 times [2019-11-20 05:12:21,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:12:21,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650162757] [2019-11-20 05:12:21,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:12:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:12:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:12:21,229 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:12:21,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:12:21,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1322652877, now seen corresponding path program 1 times [2019-11-20 05:12:21,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:12:21,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793847323] [2019-11-20 05:12:21,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:12:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:12:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:12:21,257 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:12:21,515 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:12:21,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:12:21,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:12:21,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:12:21,516 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:12:21,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:12:21,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:12:21,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd03.c_Iteration1_Loop [2019-11-20 05:12:21,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:12:21,516 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:12:21,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:21,739 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:12:21,740 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,748 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,759 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,759 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=0} Honda state: {isOdd_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,782 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,789 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,790 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,807 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,815 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,815 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,835 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,841 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,841 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,859 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:12:21,883 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,913 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=-6} Honda state: {isEven_#in~n=-6} Generalized eigenvectors: [{isEven_#in~n=-1}, {isEven_#in~n=0}, {isEven_#in~n=-1}] Lambdas: [1, 6, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,930 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,937 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,937 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:21,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,946 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:21,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,950 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:21,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:21,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:12:21,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:21,974 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-20 05:12:22,005 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:12:22,005 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:12:22,005 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:12:22,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:12:22,006 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:12:22,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:12:22,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:12:22,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd03.c_Iteration1_Lasso [2019-11-20 05:12:22,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:12:22,007 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:12:22,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,272 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:12:22,272 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,291 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,297 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,297 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,315 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,319 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,320 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,339 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,344 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,345 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,365 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,370 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,370 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,387 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,392 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,392 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,411 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,416 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:22,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:12:22,437 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,438 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:22,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:12:22,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,455 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:22,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:12:22,475 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,475 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/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 [2019-11-20 05:12:22,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:12:22,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:12:22,495 INFO L440 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/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:12:22,522 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:12:22,539 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,583 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:12:22,585 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:12:22,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:12:22,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:12:22,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:12:22,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:12:22,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:12:22,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:12:22,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd03.c_Iteration1_Lasso [2019-11-20 05:12:22,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:12:22,587 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:12:22,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:12:22,835 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:12:22,840 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:12:22,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:22,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:22,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:22,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:22,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:22,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:22,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:22,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:22,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:22,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:23,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:23,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:12:23,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:23,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:12:23,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:23,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:12:23,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:23,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:23,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:12:23,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:12:23,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:12:23,017 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 05:12:23,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:12:23,042 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 05:12:23,042 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 05:12:23,077 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:12:23,098 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 05:12:23,098 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84b785bb-1816-4a9e-b113-4fb4974e5cf2/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:12:23,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:12:23,141 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-20 05:12:23,141 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:12:23,142 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(isEven_#in~n) = 1*isEven_#in~n Supporting invariants [1*isEven_#in~n >= 0] [2019-11-20 05:12:23,151 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 05:12:23,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:12:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:12:23,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:12:23,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:12:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:12:23,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 05:12:23,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:12:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:12:23,505 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 [2019-11-20 05:12:23,506 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 8 states. [2019-11-20 05:12:23,902 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. [2019-11-20 05:12:23,904 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 [2019-11-20 05:12:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:12:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2019-11-20 05:12:23,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 8 letters. [2019-11-20 05:12:23,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:12:23,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 11 letters. Loop has 8 letters. [2019-11-20 05:12:23,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:12:23,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 16 letters. [2019-11-20 05:12:23,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:12:23,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 98 transitions. [2019-11-20 05:12:23,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:12:23,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2019-11-20 05:12:23,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:12:23,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:12:23,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:12:23,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:12:23,942 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:12:23,942 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:12:23,942 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:12:23,942 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:12:23,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:12:23,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:12:23,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:12:23,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:12:23 BoogieIcfgContainer [2019-11-20 05:12:23,950 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:12:23,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:12:23,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:12:23,951 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:12:23,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:20" (3/4) ... [2019-11-20 05:12:23,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:12:23,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:12:23,962 INFO L168 Benchmark]: Toolchain (without parser) took 3813.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:12:23,963 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:12:23,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:12:23,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:12:23,965 INFO L168 Benchmark]: Boogie Preprocessor took 27.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:12:23,965 INFO L168 Benchmark]: RCFGBuilder took 291.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:12:23,968 INFO L168 Benchmark]: BuchiAutomizer took 3020.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.4 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:12:23,969 INFO L168 Benchmark]: Witness Printer took 5.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:12:23,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 291.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3020.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.4 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.26 ms. Allocated memory is still 1.2 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 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. 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, 0.1s 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: 133ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...