./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:30:41,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:30:41,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:30:41,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:30:41,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:30:41,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:30:41,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:30:41,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:30:41,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:30:41,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:30:41,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:30:41,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:30:41,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:30:41,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:30:41,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:30:41,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:30:41,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:30:41,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:30:41,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:30:41,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:30:41,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:30:41,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:30:41,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:30:41,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:30:41,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:30:41,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:30:41,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:30:41,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:30:41,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:30:41,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:30:41,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:30:41,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:30:41,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:30:41,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:30:41,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:30:41,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:30:41,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:30:41,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:30:41,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:30:41,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:30:41,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:30:41,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:30:41,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:30:41,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:30:41,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:30:41,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:30:41,989 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:30:41,989 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:30:41,989 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:30:41,990 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:30:41,990 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:30:41,991 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:30:41,991 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:30:41,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:30:41,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:30:41,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:30:41,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:30:41,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:30:41,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:30:41,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:30:41,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:30:41,995 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:30:41,995 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:30:41,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:30:41,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:30:41,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:30:41,997 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:30:41,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:30:41,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:30:41,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:30:41,999 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:30:42,000 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:30:42,001 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec006770ad5cd0a3c7db0bdcdc2e13af7e5cceb3 [2020-11-30 01:30:42,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:30:42,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:30:42,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:30:42,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:30:42,408 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:30:42,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2020-11-30 01:30:42,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/data/3ebf9cfba/ccc24417ae3c4784b633094dfb45a1f7/FLAG3bd072859 [2020-11-30 01:30:43,122 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:30:43,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/sv-benchmarks/c/termination-crafted-lit/Velroyen.c [2020-11-30 01:30:43,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/data/3ebf9cfba/ccc24417ae3c4784b633094dfb45a1f7/FLAG3bd072859 [2020-11-30 01:30:43,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/data/3ebf9cfba/ccc24417ae3c4784b633094dfb45a1f7 [2020-11-30 01:30:43,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:30:43,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:30:43,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:43,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:30:43,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:30:43,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7f1785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43, skipping insertion in model container [2020-11-30 01:30:43,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:30:43,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:30:43,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:43,789 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:30:43,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:43,852 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:30:43,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43 WrapperNode [2020-11-30 01:30:43,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:43,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:43,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:30:43,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:30:43,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:43,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:30:43,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:30:43,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:30:43,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... [2020-11-30 01:30:43,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:30:43,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:30:43,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:30:43,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:30:43,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:30:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:30:44,241 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:30:44,241 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 01:30:44,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44 BoogieIcfgContainer [2020-11-30 01:30:44,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:30:44,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:30:44,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:30:44,250 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:30:44,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:30:44,251 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:30:43" (1/3) ... [2020-11-30 01:30:44,253 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e6140ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:30:44, skipping insertion in model container [2020-11-30 01:30:44,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:30:44,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:43" (2/3) ... [2020-11-30 01:30:44,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e6140ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:30:44, skipping insertion in model container [2020-11-30 01:30:44,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:30:44,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44" (3/3) ... [2020-11-30 01:30:44,257 INFO L373 chiAutomizerObserver]: Analyzing ICFG Velroyen.c [2020-11-30 01:30:44,317 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:30:44,318 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:30:44,318 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:30:44,318 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:30:44,318 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:30:44,319 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:30:44,319 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:30:44,319 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:30:44,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-30 01:30:44,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:30:44,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:30:44,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:30:44,366 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:30:44,366 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:30:44,367 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:30:44,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-30 01:30:44,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:30:44,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:30:44,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:30:44,382 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:30:44,383 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 01:30:44,392 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L15-1true [2020-11-30 01:30:44,393 INFO L796 eck$LassoCheckResult]: Loop: 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2020-11-30 01:30:44,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:44,417 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-30 01:30:44,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:44,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833329552] [2020-11-30 01:30:44,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:44,596 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:44,601 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:44,622 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:44,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2020-11-30 01:30:44,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:44,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207041458] [2020-11-30 01:30:44,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:44,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:44,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:44,678 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:44,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:44,683 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 1 times [2020-11-30 01:30:44,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:44,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107077453] [2020-11-30 01:30:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:44,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:44,716 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:44,720 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:44,869 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:30:44,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:30:44,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:30:44,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:30:44,871 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:30:44,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:44,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:30:44,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:30:44,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2020-11-30 01:30:44,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:30:44,873 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:30:44,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:44,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:44,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:45,059 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:30:45,062 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:45,076 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,089 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:30:45,089 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_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:45,143 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,150 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:30:45,151 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_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:45,203 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:30:45,262 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,376 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:30:45,381 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:30:45,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:30:45,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:30:45,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:30:45,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:30:45,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:30:45,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:30:45,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2020-11-30 01:30:45,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:30:45,382 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:30:45,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:45,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:45,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:45,556 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:30:45,563 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,576 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 [2020-11-30 01:30:45,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:45,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:45,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:45,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:45,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:45,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,654 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 [2020-11-30 01:30:45,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:45,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:45,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:45,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:45,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:30:45,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:45,766 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 [2020-11-30 01:30:45,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:45,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:45,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:45,768 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:45,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:45,771 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:45,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:45,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:45,810 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:45,823 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 [2020-11-30 01:30:45,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:45,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:45,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:45,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:45,832 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:45,832 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:30:45,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,895 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 [2020-11-30 01:30:45,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:45,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:45,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:45,898 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:45,904 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:45,904 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:45,969 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 [2020-11-30 01:30:45,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:45,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:45,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:45,972 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:45,972 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:45,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:45,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:45,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:46,024 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,033 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 [2020-11-30 01:30:46,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:46,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,036 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:46,042 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:46,042 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:46,098 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 [2020-11-30 01:30:46,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:46,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,102 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:46,108 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:46,108 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:46,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,170 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 [2020-11-30 01:30:46,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:46,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:46,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,173 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:46,174 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:46,178 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:46,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:46,221 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:46,225 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 [2020-11-30 01:30:46,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:46,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,229 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:46,236 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:46,237 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:30:46,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,310 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 [2020-11-30 01:30:46,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:46,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,315 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:46,321 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:46,322 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:46,377 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 [2020-11-30 01:30:46,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:46,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:46,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,380 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:46,380 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:46,385 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 01:30:46,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:46,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:46,435 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,447 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 [2020-11-30 01:30:46,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,449 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:46,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,450 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:46,455 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:46,455 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,515 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 [2020-11-30 01:30:46,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,517 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:46,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,518 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:46,524 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:46,525 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,590 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 [2020-11-30 01:30:46,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,593 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:46,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:46,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,594 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:46,594 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:46,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:46,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:46,671 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,681 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 [2020-11-30 01:30:46,684 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,684 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:46,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,685 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:46,693 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:46,693 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,754 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 [2020-11-30 01:30:46,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,757 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:46,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:46,763 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:46,764 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:46,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:46,831 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 [2020-11-30 01:30:46,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,833 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:46,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:46,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,834 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:46,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:46,837 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:46,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:46,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:46,891 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:46,899 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 [2020-11-30 01:30:46,902 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,902 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:46,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,903 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:46,910 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:46,910 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:30:46,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:46,978 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 [2020-11-30 01:30:46,982 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:46,982 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:46,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:46,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:46,982 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:46,989 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:46,990 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,049 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 [2020-11-30 01:30:47,052 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,052 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:47,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:47,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,053 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:47,053 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:47,059 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 01:30:47,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:47,113 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,117 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 [2020-11-30 01:30:47,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,120 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:47,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:47,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:47,125 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:47,125 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:47,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:47,203 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 [2020-11-30 01:30:47,205 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,205 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:47,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:47,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:47,210 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:47,210 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:47,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,270 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 [2020-11-30 01:30:47,273 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,273 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:47,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:47,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,273 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:47,274 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:47,278 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:47,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:47,326 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,330 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 [2020-11-30 01:30:47,333 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,333 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:47,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:47,334 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:47,340 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:30:47,341 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,398 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 Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,401 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,401 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:47,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:47,402 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:47,411 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:30:47,412 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:30:47,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:47,471 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 [2020-11-30 01:30:47,473 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:47,473 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:47,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:47,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:47,473 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:47,473 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:47,479 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:47,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:47,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:47,555 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:30:47,556 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:30:47,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:30:47,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:30:47,556 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:30:47,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:30:47,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:30:47,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Lasso [2020-11-30 01:30:47,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:30:47,556 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:30:47,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,684 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:30:47,684 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:47,689 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:30:47,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:47,741 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,745 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:30:47,746 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_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:47,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:47,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:30:47,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:30:47,792 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:47,822 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:47,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:30:47,877 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,965 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:30:47,966 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:30:47,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:30:47,967 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:30:47,967 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:30:47,967 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:30:47,967 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:47,967 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:30:47,967 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:30:47,967 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Lasso [2020-11-30 01:30:47,967 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:30:47,967 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:30:47,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:47,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:48,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:48,102 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:30:48,102 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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) [2020-11-30 01:30:48,110 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 Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:48,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:48,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:30:48,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,170 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 [2020-11-30 01:30:48,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,172 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:48,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:48,177 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:48,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,214 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 [2020-11-30 01:30:48,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:48,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:48,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:30:48,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,256 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 [2020-11-30 01:30:48,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:48,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:30:48,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,289 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 [2020-11-30 01:30:48,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:48,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 01:30:48,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:48,330 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,333 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 [2020-11-30 01:30:48,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,335 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:48,337 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:48,337 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:30:48,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,366 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 [2020-11-30 01:30:48,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,369 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:48,369 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:48,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:48,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,409 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 [2020-11-30 01:30:48,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,412 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:48,415 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:48,416 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:30:48,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,470 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 [2020-11-30 01:30:48,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,472 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:48,472 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:30:48,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,511 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 [2020-11-30 01:30:48,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,512 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:48,515 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:30:48,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:48,541 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,545 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 [2020-11-30 01:30:48,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,547 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:48,551 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:48,551 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:48,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/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 [2020-11-30 01:30:48,594 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 [2020-11-30 01:30:48,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,596 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:48,596 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:48,599 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:48,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,634 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 [2020-11-30 01:30:48,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,637 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:48,639 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:48,639 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:48,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,672 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 [2020-11-30 01:30:48,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:48,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:48,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,705 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 [2020-11-30 01:30:48,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,707 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:48,708 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:48,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:48,732 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,735 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 [2020-11-30 01:30:48,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,737 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:48,741 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:48,742 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:30:48,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:48,781 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 Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,784 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:48,784 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:48,788 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 01:30:48,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:48,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:30:48,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,850 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:48,854 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:48,854 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:48,905 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 [2020-11-30 01:30:48,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,907 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:48,908 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:30:48,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:48,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:48,953 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 [2020-11-30 01:30:48,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:48,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:48,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:48,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:48,956 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:48,957 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:30:48,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:48,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:48,999 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,006 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 [2020-11-30 01:30:49,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,008 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,009 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:49,011 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:49,011 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,067 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 Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,069 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:49,070 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:49,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:49,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:49,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,136 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 [2020-11-30 01:30:49,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,138 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,139 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:49,143 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:49,143 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,180 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 [2020-11-30 01:30:49,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,182 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:49,183 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:30:49,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:49,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,220 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 [2020-11-30 01:30:49,223 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,223 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,223 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:49,225 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-30 01:30:49,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:49,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:49,252 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,255 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 [2020-11-30 01:30:49,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,258 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:49,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,258 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,262 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:49,262 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:49,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,323 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 [2020-11-30 01:30:49,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,326 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:49,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,326 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:49,326 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,331 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:49,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,391 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 [2020-11-30 01:30:49,394 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,394 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:49,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,394 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,399 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:49,399 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,455 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 [2020-11-30 01:30:49,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,458 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:49,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,460 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:49,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,508 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 [2020-11-30 01:30:49,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,511 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:49,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,512 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,513 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:49,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:49,559 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,563 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 [2020-11-30 01:30:49,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:49,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:49,572 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:49,573 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,635 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 [2020-11-30 01:30:49,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,638 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:49,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,639 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:49,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:49,645 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 01:30:49,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,707 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 [2020-11-30 01:30:49,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,710 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:49,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,711 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:49,716 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:49,716 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,773 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 [2020-11-30 01:30:49,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,776 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:49,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,777 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:49,779 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:30:49,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,859 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 [2020-11-30 01:30:49,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,864 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:49,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,865 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:49,867 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-30 01:30:49,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:49,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:49,919 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,927 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 [2020-11-30 01:30:49,930 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,930 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:49,931 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,935 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:49,935 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:49,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:49,991 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 [2020-11-30 01:30:49,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:49,994 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:49,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:49,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:49,994 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:49,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:49,998 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:49,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,053 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 [2020-11-30 01:30:50,055 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,055 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:50,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,056 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:50,060 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:50,060 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:50,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:50,123 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 [2020-11-30 01:30:50,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,126 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:50,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:50,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,126 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:50,128 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:50,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:50,176 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 [2020-11-30 01:30:50,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,179 INFO L338 nArgumentSynthesizer]: Template has degree 1. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:50,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:50,181 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:50,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:50,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:50,225 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:50,230 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 [2020-11-30 01:30:50,233 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,233 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:50,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,234 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:50,240 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:30:50,240 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:50,294 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 [2020-11-30 01:30:50,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,297 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:50,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:50,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,297 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:50,297 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:50,303 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:50,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,358 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 [2020-11-30 01:30:50,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:50,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,362 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:50,368 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:30:50,368 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:30:50,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,415 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 [2020-11-30 01:30:50,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,417 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:50,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:50,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,417 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:50,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:50,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:50,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:50,475 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 [2020-11-30 01:30:50,477 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:50,478 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:50,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:50,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:50,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:50,478 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:50,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:50,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:50,522 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-30 01:30:50,522 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2020-11-30 01:30:50,522 INFO L796 eck$LassoCheckResult]: Loop: 11#L15-1true assume !!(0 != main_~x~0); 3#L15true assume !(-5 <= main_~x~0 && main_~x~0 <= 35);main_~x~0 := 0; 11#L15-1true [2020-11-30 01:30:50,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:50,523 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 2 times [2020-11-30 01:30:50,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:50,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886053758] [2020-11-30 01:30:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:50,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:50,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:50,541 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:50,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 2 times [2020-11-30 01:30:50,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:50,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552579213] [2020-11-30 01:30:50,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:50,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:50,567 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:50,569 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:50,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:50,570 INFO L82 PathProgramCache]: Analyzing trace with hash 29875904, now seen corresponding path program 3 times [2020-11-30 01:30:50,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:50,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618371718] [2020-11-30 01:30:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:50,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618371718] [2020-11-30 01:30:50,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:30:50,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:30:50,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559197618] [2020-11-30 01:30:50,689 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:30:50,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:30:50,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:30:50,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:30:50,690 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 01:30:50,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,690 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:30:50,690 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:30:50,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2020-11-30 01:30:50,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:30:50,690 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:30:50,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:50,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:50,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:50,795 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:30:50,795 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:50,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:50,800 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,806 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 01:30:50,806 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 01:30:50,846 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 01:30:50,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 01:30:50,950 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 01:30:50,952 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 01:30:50,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 01:30:50,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 01:30:50,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 01:30:50,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 01:30:50,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:50,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 01:30:50,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 01:30:50,952 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen.c_Iteration1_Loop [2020-11-30 01:30:50,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 01:30:50,952 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 01:30:50,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:50,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:51,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 01:30:51,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 01:30:51,085 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,090 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 [2020-11-30 01:30:51,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:51,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:51,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:30:51,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,141 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 [2020-11-30 01:30:51,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:51,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,143 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:51,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 01:30:51,145 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-30 01:30:51,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:51,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:51,198 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 [2020-11-30 01:30:51,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:51,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 01:30:51,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:51,228 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,231 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 [2020-11-30 01:30:51,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,233 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:51,235 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:51,235 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:30:51,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,267 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 [2020-11-30 01:30:51,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:51,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,269 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:51,269 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:51,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:51,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:51,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:51,332 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 [2020-11-30 01:30:51,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,335 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:51,337 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:51,337 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:51,382 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:51,385 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 [2020-11-30 01:30:51,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,388 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:51,391 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:51,392 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:51,441 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 [2020-11-30 01:30:51,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:51,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,443 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:51,444 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:51,447 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:51,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,495 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 [2020-11-30 01:30:51,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,498 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:51,501 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:51,501 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:51,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:51,545 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,548 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 [2020-11-30 01:30:51,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,550 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:51,554 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:51,554 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:30:51,561 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,590 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 [2020-11-30 01:30:51,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:51,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,593 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:51,593 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:51,598 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 01:30:51,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:51,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,636 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 [2020-11-30 01:30:51,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 01:30:51,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:51,646 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:51,646 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:30:51,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:51,683 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,686 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 [2020-11-30 01:30:51,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,688 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:51,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,688 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:51,690 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:51,690 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:30:51,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,728 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 [2020-11-30 01:30:51,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,730 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:51,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:51,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,730 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:51,731 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:51,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 01:30:51,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:51,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,766 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 [2020-11-30 01:30:51,768 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,768 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:51,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,769 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-30 01:30:51,773 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-30 01:30:51,773 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-30 01:30:51,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:51,802 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,806 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 [2020-11-30 01:30:51,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,809 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:51,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,809 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:51,812 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:51,812 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:51,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 01:30:51,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,849 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:51,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:51,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,849 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:51,849 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:51,852 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:51,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:51,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,896 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 [2020-11-30 01:30:51,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,898 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-30 01:30:51,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,898 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:51,905 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:51,905 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:51,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:51,936 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:51,939 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 [2020-11-30 01:30:51,941 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:51,941 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:51,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:51,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:51,942 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:51,945 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:51,946 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-30 01:30:51,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:52,022 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 [2020-11-30 01:30:52,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,026 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:52,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:52,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,026 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:52,026 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:52,032 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-30 01:30:52,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:52,093 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 [2020-11-30 01:30:52,096 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,096 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:52,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:52,097 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-30 01:30:52,102 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-30 01:30:52,102 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:52,140 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,143 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 [2020-11-30 01:30:52,145 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,145 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:52,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:52,145 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:52,148 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:52,148 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:52,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,180 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 [2020-11-30 01:30:52,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:52,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:52,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,182 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:52,182 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:52,185 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 01:30:52,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:52,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 109 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,216 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 [2020-11-30 01:30:52,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,218 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-30 01:30:52,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:52,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-30 01:30:52,221 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:52,221 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 01:30:52,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:52,250 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 01:30:52,253 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 Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,256 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:52,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:52,257 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:52,261 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:30:52,261 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:30:52,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 111 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,334 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 [2020-11-30 01:30:52,337 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,337 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:52,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 01:30:52,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,338 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 01:30:52,338 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:52,343 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-30 01:30:52,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 01:30:52,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/z3 Starting monitored process 112 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 01:30:52,388 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 [2020-11-30 01:30:52,390 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-30 01:30:52,390 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-30 01:30:52,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 01:30:52,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 01:30:52,391 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-30 01:30:52,394 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-30 01:30:52,395 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-30 01:30:52,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-30 01:30:52,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:30:52,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:30:52,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:30:52,442 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-11-30 01:30:52,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:30:52,483 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2020-11-30 01:30:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:30:52,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2020-11-30 01:30:52,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:30:52,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 5 states and 7 transitions. [2020-11-30 01:30:52,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-11-30 01:30:52,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-11-30 01:30:52,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2020-11-30 01:30:52,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 01:30:52,491 INFO L691 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-30 01:30:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2020-11-30 01:30:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-11-30 01:30:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 01:30:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-11-30 01:30:52,520 INFO L714 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-30 01:30:52,520 INFO L594 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-30 01:30:52,520 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 01:30:52,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2020-11-30 01:30:52,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-30 01:30:52,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:30:52,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:30:52,522 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:30:52,522 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 01:30:52,522 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 39#L15-1 [2020-11-30 01:30:52,522 INFO L796 eck$LassoCheckResult]: Loop: 39#L15-1 assume !!(0 != main_~x~0); 37#L15 assume -5 <= main_~x~0 && main_~x~0 <= 35; 38#L16 assume main_~x~0 < 0;main_~x~0 := -5; 39#L15-1 [2020-11-30 01:30:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:52,523 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-11-30 01:30:52,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:52,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166454431] [2020-11-30 01:30:52,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:52,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:52,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:52,531 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:52,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:52,532 INFO L82 PathProgramCache]: Analyzing trace with hash 39820, now seen corresponding path program 1 times [2020-11-30 01:30:52,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:52,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966882618] [2020-11-30 01:30:52,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:52,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:52,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:52,543 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:52,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:52,544 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2020-11-30 01:30:52,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:30:52,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630204519] [2020-11-30 01:30:52,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:30:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:52,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:30:52,553 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:30:52,555 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:30:52,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:30:52 BoogieIcfgContainer [2020-11-30 01:30:52,626 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:30:52,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:52,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:52,627 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:52,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:44" (3/4) ... [2020-11-30 01:30:52,631 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 01:30:52,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32a0b799-5d1b-4b05-ae1f-ddd400629e39/bin/uautomizer/witness.graphml [2020-11-30 01:30:52,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:52,668 INFO L168 Benchmark]: Toolchain (without parser) took 9180.75 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 77.2 MB in the beginning and 55.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:52,668 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:52,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.65 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 77.2 MB in the beginning and 111.2 MB in the end (delta: -34.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:52,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 134.2 MB. Free memory was 111.2 MB in the beginning and 110.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:52,670 INFO L168 Benchmark]: Boogie Preprocessor took 31.40 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 109.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:52,670 INFO L168 Benchmark]: RCFGBuilder took 297.65 ms. Allocated memory is still 134.2 MB. Free memory was 109.2 MB in the beginning and 100.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:52,671 INFO L168 Benchmark]: BuchiAutomizer took 8380.72 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 100.3 MB in the beginning and 57.4 MB in the end (delta: 42.8 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:52,671 INFO L168 Benchmark]: Witness Printer took 39.02 ms. Allocated memory is still 161.5 MB. Free memory was 57.4 MB in the beginning and 55.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:52,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 104.9 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.65 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 77.2 MB in the beginning and 111.2 MB in the end (delta: -34.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.39 ms. Allocated memory is still 134.2 MB. Free memory was 111.2 MB in the beginning and 110.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.40 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 109.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 297.65 ms. Allocated memory is still 134.2 MB. Free memory was 109.2 MB in the beginning and 100.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8380.72 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 100.3 MB in the beginning and 57.4 MB in the end (delta: 42.8 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. * Witness Printer took 39.02 ms. Allocated memory is still 161.5 MB. Free memory was 57.4 MB in the beginning and 55.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf92 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 14]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b8a37b=0, \result=0, x=-5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x = __VERIFIER_nondet_int(); Loop: [L14] COND TRUE x!=0 [L15] COND TRUE -5 <= x && x <= 35 [L16] COND TRUE x < 0 [L17] x = -5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...