./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 64bit --witnessprinter.graph.data.programhash 70b7927a0492d6be5caba90d696a196e2b22ba2a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:06:51,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:06:51,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:06:51,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:06:51,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:06:51,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:06:51,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:06:51,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:06:51,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:06:51,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:06:51,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:06:51,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:06:51,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:06:51,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:06:51,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:06:51,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:06:51,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:06:51,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:06:51,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:06:51,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:06:51,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:06:51,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:06:51,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:06:51,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:06:51,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:06:51,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:06:51,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:06:51,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:06:51,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:06:51,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:06:51,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:06:51,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:06:51,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:06:51,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:06:51,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:06:51,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:06:51,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:06:51,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:06:51,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:06:51,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:06:51,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:06:51,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 11:06:51,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:06:51,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:06:51,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:06:51,977 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:06:51,977 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:06:51,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:06:51,978 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:06:51,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:06:51,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:06:51,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:06:51,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:06:51,979 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:06:51,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:06:51,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:06:51,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:06:51,980 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:06:51,980 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:06:51,980 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_e64929bb-aaca-4481-aeeb-61c953287b4f/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2019-12-07 11:06:52,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:06:52,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:06:52,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:06:52,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:06:52,098 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:06:52,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-12-07 11:06:52,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/data/c57477d63/cb2aa139c9f244c080ee0468f6ee17b6/FLAGa56d5feae [2019-12-07 11:06:52,604 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:06:52,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-12-07 11:06:52,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/data/c57477d63/cb2aa139c9f244c080ee0468f6ee17b6/FLAGa56d5feae [2019-12-07 11:06:52,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/data/c57477d63/cb2aa139c9f244c080ee0468f6ee17b6 [2019-12-07 11:06:52,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:06:52,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:06:52,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:06:52,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:06:52,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:06:52,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3ea5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52, skipping insertion in model container [2019-12-07 11:06:52,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:06:52,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:06:52,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:06:52,759 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:06:52,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:06:52,815 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:06:52,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52 WrapperNode [2019-12-07 11:06:52,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:06:52,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:06:52,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:06:52,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:06:52,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:06:52,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:06:52,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:06:52,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:06:52,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... [2019-12-07 11:06:52,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:06:52,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:06:52,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:06:52,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:06:52,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:06:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:06:52,989 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:06:52,989 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 11:06:52,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:06:52 BoogieIcfgContainer [2019-12-07 11:06:52,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:06:52,990 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:06:52,990 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:06:52,993 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:06:52,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:06:52,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:06:52" (1/3) ... [2019-12-07 11:06:52,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b8e1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:06:52, skipping insertion in model container [2019-12-07 11:06:52,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:06:52,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:06:52" (2/3) ... [2019-12-07 11:06:52,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b8e1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:06:52, skipping insertion in model container [2019-12-07 11:06:52,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:06:52,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:06:52" (3/3) ... [2019-12-07 11:06:52,996 INFO L371 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2019-12-07 11:06:53,024 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:06:53,024 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:06:53,024 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:06:53,024 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:06:53,024 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:06:53,024 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:06:53,024 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:06:53,024 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:06:53,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 11:06:53,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 11:06:53,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:06:53,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:06:53,051 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:06:53,051 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 11:06:53,051 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:06:53,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-12-07 11:06:53,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 11:06:53,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:06:53,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:06:53,052 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:06:53,052 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 11:06:53,057 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2019-12-07 11:06:53,057 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2019-12-07 11:06:53,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:06:53,061 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2019-12-07 11:06:53,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:06:53,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597535685] [2019-12-07 11:06:53,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:06:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:06:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:06:53,140 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:06:53,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:06:53,141 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2019-12-07 11:06:53,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:06:53,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169428492] [2019-12-07 11:06:53,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:06:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:06:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:06:53,150 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:06:53,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:06:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2019-12-07 11:06:53,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:06:53,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617943439] [2019-12-07 11:06:53,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:06:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:06:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:06:53,165 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:06:53,203 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:06:53,203 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:06:53,203 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:06:53,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:06:53,203 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:06:53,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,204 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:06:53,204 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:06:53,204 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2019-12-07 11:06:53,204 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:06:53,204 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:06:53,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,319 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:06:53,320 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,334 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,342 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,347 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:06:53,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,690 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,690 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~a~0=-3, ULTIMATE.start_main_~b~0=-3, ULTIMATE.start_main_~x~0=-5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=6, ULTIMATE.start_main_~a~0=3, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-7}] Lambdas: [1, 15, 1] Nus: [1, 0] [2019-12-07 11:06:53,745 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:06:53,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:06:53,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:06:53,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:06:53,745 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:06:53,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:06:53,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:06:53,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2019-12-07 11:06:53,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:06:53,746 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:06:53,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,857 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:06:53,857 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/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 [2019-12-07 11:06:53,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,869 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,870 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_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,876 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,876 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,883 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,884 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_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:53,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,890 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:06:53,898 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:06:53,902 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:06:53,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:06:53,982 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:06:53,983 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:06:53,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:06:53,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:06:53,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:06:53,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:06:53,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:53,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:06:53,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:06:53,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2019-12-07 11:06:53,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:06:53,983 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:06:53,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:53,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:54,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:54,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:54,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:54,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:54,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:06:54,081 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:06:54,084 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,088 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 [2019-12-07 11:06:54,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:06:54,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:06:54,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,100 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 [2019-12-07 11:06:54,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:06:54,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,107 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 [2019-12-07 11:06:54,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,109 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:06:54,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,125 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 11:06:54,126 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:06:54,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:54,168 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 [2019-12-07 11:06:54,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:06:54,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:54,175 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 [2019-12-07 11:06:54,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:06:54,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:54,183 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 [2019-12-07 11:06:54,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:06:54,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:54,190 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 [2019-12-07 11:06:54,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:06:54,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:06:54,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,199 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 [2019-12-07 11:06:54,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:06:54,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:06:54,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:06:54,203 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,206 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 [2019-12-07 11:06:54,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,208 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,210 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 11:06:54,210 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 11:06:54,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,218 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 [2019-12-07 11:06:54,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,220 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,221 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:06:54,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,226 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 [2019-12-07 11:06:54,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,228 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:06:54,229 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,245 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-12-07 11:06:54,246 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 11:06:54,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,287 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 [2019-12-07 11:06:54,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,288 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,289 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:06:54,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,294 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 [2019-12-07 11:06:54,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,296 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:06:54,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,307 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 [2019-12-07 11:06:54,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,308 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,309 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:06:54,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:54,314 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 [2019-12-07 11:06:54,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,315 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,318 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 11:06:54,318 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 11:06:54,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,325 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 [2019-12-07 11:06:54,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,327 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,327 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:06:54,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:06:54,329 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,332 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 [2019-12-07 11:06:54,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,334 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,336 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 11:06:54,336 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:06:54,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,345 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 [2019-12-07 11:06:54,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,347 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,348 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:06:54,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,354 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 [2019-12-07 11:06:54,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,355 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:06:54,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,368 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2019-12-07 11:06:54,368 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2019-12-07 11:06:54,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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 [2019-12-07 11:06:54,428 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 [2019-12-07 11:06:54,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,430 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,430 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:06:54,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,436 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 [2019-12-07 11:06:54,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,437 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,438 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:06:54,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,444 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 [2019-12-07 11:06:54,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,446 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,446 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:06:54,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,451 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 [2019-12-07 11:06:54,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,453 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,455 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 11:06:54,455 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:06:54,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,462 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 [2019-12-07 11:06:54,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,464 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 11:06:54,464 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 11:06:54,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:06:54,467 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,470 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 [2019-12-07 11:06:54,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,473 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 11:06:54,473 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 11:06:54,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,482 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 [2019-12-07 11:06:54,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,484 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,484 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:06:54,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,494 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 [2019-12-07 11:06:54,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,496 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:06:54,496 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,510 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2019-12-07 11:06:54,510 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2019-12-07 11:06:54,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,585 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 [2019-12-07 11:06:54,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,586 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,587 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:06:54,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,592 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 [2019-12-07 11:06:54,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,594 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,594 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:06:54,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,599 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 [2019-12-07 11:06:54,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,601 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,601 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:06:54,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,606 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 [2019-12-07 11:06:54,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,608 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,610 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 11:06:54,610 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 11:06:54,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,619 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 [2019-12-07 11:06:54,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:06:54,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,620 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 11:06:54,620 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 11:06:54,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 11:06:54,623 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,626 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 [2019-12-07 11:06:54,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:06:54,627 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:06:54,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,627 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,628 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 11:06:54,628 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 11:06:54,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,636 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 [2019-12-07 11:06:54,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:06:54,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:06:54,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:06:54,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:06:54,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,638 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 11:06:54,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:06:54,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,643 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 [2019-12-07 11:06:54,645 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 11:06:54,645 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 11:06:54,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:06:54,645 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:06:54,645 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 11:06:54,656 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-12-07 11:06:54,656 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 11:06:54,748 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:06:54,836 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-12-07 11:06:54,837 INFO L444 ModelExtractionUtils]: 13 out of 42 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64929bb-aaca-4481-aeeb-61c953287b4f/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:06:54,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:06:54,847 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2019-12-07 11:06:54,847 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:06:54,848 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 2*ULTIMATE.start_main_~x~0 + 1 f1 = 3*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0, -1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] [2019-12-07 11:06:54,856 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 11:06:54,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:06:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:06:54,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:06:54,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:06:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:06:54,914 WARN L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:06:54,914 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:06:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:06:54,925 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 11:06:54,926 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-12-07 11:06:55,000 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2019-12-07 11:06:55,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 11:06:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 11:06:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-12-07 11:06:55,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2019-12-07 11:06:55,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:06:55,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2019-12-07 11:06:55,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:06:55,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 11:06:55,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:06:55,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-12-07 11:06:55,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:06:55,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-12-07 11:06:55,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:06:55,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:06:55,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:06:55,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:06:55,010 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:06:55,010 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:06:55,010 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:06:55,010 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:06:55,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:06:55,010 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:06:55,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:06:55,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:06:55 BoogieIcfgContainer [2019-12-07 11:06:55,015 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:06:55,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:06:55,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:06:55,015 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:06:55,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:06:52" (3/4) ... [2019-12-07 11:06:55,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:06:55,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:06:55,019 INFO L168 Benchmark]: Toolchain (without parser) took 2397.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Free memory was 942.0 MB in the beginning and 913.5 MB in the end (delta: 28.5 MB). Peak memory consumption was 100.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:06:55,019 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:06:55,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:06:55,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.09 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:06:55,021 INFO L168 Benchmark]: Boogie Preprocessor took 12.22 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:06:55,021 INFO L168 Benchmark]: RCFGBuilder took 139.22 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:06:55,021 INFO L168 Benchmark]: BuchiAutomizer took 2024.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 913.5 MB in the end (delta: 139.2 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:06:55,021 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 913.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:06:55,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.09 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.22 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 139.22 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2024.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 913.5 MB in the end (delta: 139.2 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.1 GB. Free memory is still 913.5 MB. 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 2-phase ranking function (if 2 * x + 1 > 0 then 1 else 0), (if 2 * x + 1 > 0 then 2 * x + 1 else 3 * y + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 92ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 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...