./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_2-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ca0873bbf5698fb1752ac7aba535da1c4a773e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:22:38,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:22:38,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:22:38,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:22:38,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:22:38,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:22:38,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:22:38,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:22:38,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:22:38,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:22:38,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:22:38,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:22:38,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:22:38,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:22:38,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:22:38,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:22:38,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:22:38,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:22:38,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:22:38,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:22:38,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:22:38,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:22:38,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:22:38,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:22:38,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:22:38,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:22:38,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:22:38,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:22:38,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:22:38,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:22:38,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:22:38,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:22:38,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:22:38,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:22:38,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:22:38,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:22:38,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:22:38,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:22:38,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:22:38,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:22:38,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:22:38,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 23:22:38,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:22:38,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:22:38,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:22:38,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:22:38,550 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:22:38,550 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:22:38,551 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:22:38,551 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:22:38,551 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:22:38,551 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:22:38,552 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:22:38,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:22:38,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:22:38,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:22:38,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:22:38,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:22:38,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:22:38,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:22:38,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:22:38,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:22:38,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:22:38,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:22:38,554 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:22:38,554 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:22:38,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:22:38,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:22:38,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:22:38,555 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:22:38,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:22:38,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:22:38,556 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:22:38,557 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:22:38,557 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca0873bbf5698fb1752ac7aba535da1c4a773e2 [2019-11-19 23:22:38,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:22:38,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:22:38,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:22:38,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:22:38,719 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:22:38,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_2-2.c [2019-11-19 23:22:38,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/data/c021377b1/fa40a9a8ee6d4337854424f5ae6d7181/FLAG21138dc38 [2019-11-19 23:22:39,135 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:22:39,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/sv-benchmarks/c/loop-acceleration/underapprox_2-2.c [2019-11-19 23:22:39,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/data/c021377b1/fa40a9a8ee6d4337854424f5ae6d7181/FLAG21138dc38 [2019-11-19 23:22:39,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/data/c021377b1/fa40a9a8ee6d4337854424f5ae6d7181 [2019-11-19 23:22:39,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:22:39,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:22:39,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:22:39,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:22:39,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:22:39,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e30aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39, skipping insertion in model container [2019-11-19 23:22:39,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:22:39,562 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:22:39,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:22:39,720 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:22:39,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:22:39,802 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:22:39,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39 WrapperNode [2019-11-19 23:22:39,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:22:39,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:22:39,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:22:39,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:22:39,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:22:39,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:22:39,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:22:39,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:22:39,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... [2019-11-19 23:22:39,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:22:39,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:22:39,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:22:39,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:22:39,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:22:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:22:40,035 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:22:40,035 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:22:40,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:40 BoogieIcfgContainer [2019-11-19 23:22:40,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:22:40,037 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:22:40,037 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:22:40,039 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:22:40,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:22:40,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:22:39" (1/3) ... [2019-11-19 23:22:40,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@278cf043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:22:40, skipping insertion in model container [2019-11-19 23:22:40,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:22:40,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:22:39" (2/3) ... [2019-11-19 23:22:40,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@278cf043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:22:40, skipping insertion in model container [2019-11-19 23:22:40,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:22:40,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:40" (3/3) ... [2019-11-19 23:22:40,043 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_2-2.c [2019-11-19 23:22:40,079 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:22:40,079 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:22:40,079 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:22:40,079 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:22:40,080 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:22:40,080 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:22:40,080 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:22:40,080 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:22:40,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-19 23:22:40,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 23:22:40,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:22:40,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:22:40,112 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 23:22:40,112 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 23:22:40,112 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:22:40,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-19 23:22:40,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 23:22:40,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:22:40,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:22:40,114 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-19 23:22:40,114 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 23:22:40,120 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-11-19 23:22:40,120 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-19 23:22:40,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:40,124 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-19 23:22:40,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:40,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891714479] [2019-11-19 23:22:40,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:40,202 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:40,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:40,204 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-19 23:22:40,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:40,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680790164] [2019-11-19 23:22:40,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:40,220 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:40,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:40,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-19 23:22:40,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:40,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920669515] [2019-11-19 23:22:40,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:40,235 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:40,344 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:40,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:40,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:40,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:40,345 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 23:22:40,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:40,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:40,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-11-19 23:22:40,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:40,346 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:40,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:40,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:40,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:40,519 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:40,519 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:22:40,531 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:22:40,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 23:22:40,572 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 23:22:40,574 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:40,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:40,574 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:40,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:40,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:22:40,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:40,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:40,575 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-11-19 23:22:40,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:40,575 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:40,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:40,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:40,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:40,676 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:40,680 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:40,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:40,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:40,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:40,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:40,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:40,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:40,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:40,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:40,763 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,773 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:40,777 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:40,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,792 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:40,795 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:40,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,811 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:40,812 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:40,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:40,819 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,836 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:40,840 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:40,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,860 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:40,862 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:40,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:40,881 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,884 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:40,886 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:40,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:40,895 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:40,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,910 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:40,915 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:40,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,932 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:40,941 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:40,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:40,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:40,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:40,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,965 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:40,971 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:40,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:40,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:40,977 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:40,991 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 [2019-11-19 23:22:40,994 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:40,994 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:40,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:40,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:40,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:40,995 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,001 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:41,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,034 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,034 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:41,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,035 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,038 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:41,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,053 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 [2019-11-19 23:22:41,057 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,057 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:41,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,058 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,064 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:41,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:41,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,073 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,084 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,084 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:41,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,085 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,090 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:41,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,115 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,115 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:41,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,116 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,118 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:41,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,148 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:41,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,148 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,159 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:41,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,171 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,178 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,178 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:41,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,179 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,186 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:41,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,215 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:41,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,216 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,219 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:41,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,235 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,235 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:41,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,236 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,247 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:41,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,271 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,281 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:41,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,301 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,301 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:41,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,303 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,319 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:41,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,322 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,331 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,338 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,339 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:41,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,339 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:41,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:41,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,364 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,364 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:41,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,365 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:41,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:41,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:41,383 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:41,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,384 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:41,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:41,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,413 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:41,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:41,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:41,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:41,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 23:22:41,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:41,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:41,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-11-19 23:22:41,414 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:41,414 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:41,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,515 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:41,515 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:22:41,520 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,528 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 23:22:41,528 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:22:41,538 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:22:41,548 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 [2019-11-19 23:22:41,565 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 23:22:41,566 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:41,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:41,566 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:41,566 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:41,567 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:22:41,567 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,567 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:41,567 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:41,567 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-11-19 23:22:41,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:41,567 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:41,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:41,695 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:41,695 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:41,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:41,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:41,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:41,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:41,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:41,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:41,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:41,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:41,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,754 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,762 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,773 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:41,773 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,790 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,792 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:41,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,802 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,806 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:41,806 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,825 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:41,825 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:41,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,829 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,847 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:41,848 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,869 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,870 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,881 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,885 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:41,885 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:41,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:41,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,914 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,920 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,928 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:41,928 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,951 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,952 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:41,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,963 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,968 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:41,968 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:41,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:41,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:41,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:41,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:41,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:41,992 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:41,993 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:41,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:41,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:41,997 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,003 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,003 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:42,008 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:42,008 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,030 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,031 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:42,031 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:42,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,043 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,043 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:42,049 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:42,049 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,081 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,082 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:42,082 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:42,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:42,087 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,094 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:42,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,094 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,102 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:42,102 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,131 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,131 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:42,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,131 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,133 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:42,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,149 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,149 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:42,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,150 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,155 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:42,155 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,230 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 [2019-11-19 23:22:42,232 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,233 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:42,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,233 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,234 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:42,234 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 [2019-11-19 23:22:42,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:42,239 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,249 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,249 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:42,257 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:42,258 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,305 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,306 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:42,307 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:42,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,323 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,323 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,324 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:42,332 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:42,332 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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 [2019-11-19 23:22:42,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,582 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,583 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:42,584 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:42,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:42,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:42,591 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,603 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,603 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,604 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,609 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:42,610 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,633 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,633 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,633 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:42,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,644 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,648 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:42,648 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,671 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:42,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,672 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:42,672 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:42,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:42,677 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,681 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 [2019-11-19 23:22:42,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,683 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,684 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:42,692 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-19 23:22:42,692 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,735 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,735 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,736 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:42,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:42,737 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 [2019-11-19 23:22:42,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:42,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,748 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,748 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,749 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:42,755 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-19 23:22:42,755 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:42,855 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:42,855 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:42,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:42,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:42,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:42,856 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:42,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:42,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:42,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:42,867 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-19 23:22:42,867 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-19 23:22:42,867 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-19 23:22:42,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:42,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-19 23:22:42,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:42,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622721350] [2019-11-19 23:22:42,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:42,885 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-19 23:22:42,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:42,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820716401] [2019-11-19 23:22:42,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:42,905 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:42,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:22:42,906 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-19 23:22:42,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:22:42,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614633282] [2019-11-19 23:22:42,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:22:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:22:42,931 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:22:42,950 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:42,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:42,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:42,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:42,950 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 23:22:42,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:42,950 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:42,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:42,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-11-19 23:22:42,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:42,951 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:42,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:42,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:42,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,031 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:43,031 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:22:43,037 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:22:43,046 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,079 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 23:22:43,081 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:43,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:43,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:43,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:43,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:22:43,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:43,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:43,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Loop [2019-11-19 23:22:43,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:43,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:43,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,160 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:43,160 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:43,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:43,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:43,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:43,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,230 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,243 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:43,245 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:43,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:43,262 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:43,262 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 [2019-11-19 23:22:43,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,270 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 [2019-11-19 23:22:43,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,272 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:43,273 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:43,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,276 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,283 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,298 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,298 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,298 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 [2019-11-19 23:22:43,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,309 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,312 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,316 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,323 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:43,325 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:43,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:43,341 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:43,341 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 [2019-11-19 23:22:43,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,351 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:43,352 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:43,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,356 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,362 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,362 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:43,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,363 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:43,364 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:43,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,382 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:43,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,382 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:43,383 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:43,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:43,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,395 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:43,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,396 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:43,397 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:43,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,402 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,410 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,410 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:43,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,410 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,413 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,423 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,431 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,431 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:43,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,431 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,432 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,441 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 [2019-11-19 23:22:43,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,443 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:43,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,444 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,450 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:43,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,463 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,470 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:43,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:43,474 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:43,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,495 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 [2019-11-19 23:22:43,497 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,497 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:43,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,498 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:43,499 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:43,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,511 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:43,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,512 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:43,515 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:43,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,530 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,539 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,539 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:43,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,543 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,543 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 [2019-11-19 23:22:43,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,556 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:43,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,557 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,567 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:43,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:43,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:43,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,575 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,582 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:43,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,582 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:43,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:43,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,602 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,602 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:43,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,603 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:43,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:43,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,616 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:43,616 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:43,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,616 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:43,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:43,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,655 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:43,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:43,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:43,655 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:43,655 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 23:22:43,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:43,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:43,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-11-19 23:22:43,656 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:43,656 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:43,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,755 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:43,755 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:22:43,761 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:22:43,774 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 23:22:43,792 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [7, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 23:22:43,802 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:43,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 23:22:43,812 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,841 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 23:22:43,842 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 23:22:43,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 23:22:43,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 23:22:43,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 23:22:43,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 23:22:43,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 23:22:43,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 23:22:43,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_2-2.c_Iteration1_Lasso [2019-11-19 23:22:43,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 23:22:43,843 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 23:22:43,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 23:22:43,946 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 23:22:43,946 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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 [2019-11-19 23:22:43,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:43,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:22:43,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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 [2019-11-19 23:22:43,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:43,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 23:22:43,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,978 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 [2019-11-19 23:22:43,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:43,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:43,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:43,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:43,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:43,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:43,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:43,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:43,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 23:22:43,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 23:22:43,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:43,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:43,993 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:44,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,002 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,005 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:44,005 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:44,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,021 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,025 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:44,025 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:44,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,041 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,042 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:44,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:44,049 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 [2019-11-19 23:22:44,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,051 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,052 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:44,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,055 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:44,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,061 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,065 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:44,065 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/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) [2019-11-19 23:22:44,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,084 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,090 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:44,090 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:44,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,121 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,121 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:44,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,125 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,136 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:44,136 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,164 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:44,164 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,187 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,188 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:44,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 23:22:44,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,198 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,199 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:44,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,202 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,208 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,209 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,212 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:44,213 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,247 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,248 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,252 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-19 23:22:44,253 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,277 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,277 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,278 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:44,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,289 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,289 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,289 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-19 23:22:44,290 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-19 23:22:44,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,294 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,324 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:44,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,324 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,328 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:44,328 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,415 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:44,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,416 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,430 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:44,430 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,471 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:44,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,472 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:44,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,487 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,487 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-19 23:22:44,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:44,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,493 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,502 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:44,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,503 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,509 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:44,509 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,717 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:44,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,718 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,724 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-19 23:22:44,725 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,781 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 [2019-11-19 23:22:44,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,784 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:44,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,784 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,786 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:44,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,799 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:44,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,800 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-19 23:22:44,801 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-19 23:22:44,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,807 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,812 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,813 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,816 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:44,816 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:44,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,846 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,846 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,852 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 23:22:44,852 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 133 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,877 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,877 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:44,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:44,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 134 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 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,885 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-19 23:22:44,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:44,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,886 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-19 23:22:44,886 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 23:22:44,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 23:22:44,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:44,889 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 135 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:44,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:44,894 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:44,894 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:44,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:44,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:44,894 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:44,898 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-19 23:22:44,898 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-19 23:22:45,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:45,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 23:22:45,027 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:45,027 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:45,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:45,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:45,028 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:45,035 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-19 23:22:45,035 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:45,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:45,093 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 [2019-11-19 23:22:45,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:45,095 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:45,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:45,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:45,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:45,096 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:45,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:45,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:45,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153a206f-77c0-4523-8dc9-64b08a57ace4/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 23:22:45,110 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 [2019-11-19 23:22:45,112 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-19 23:22:45,112 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-19 23:22:45,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 23:22:45,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 23:22:45,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 23:22:45,113 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-19 23:22:45,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 23:22:45,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 23:22:45,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-19 23:22:45,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:22:45 BoogieIcfgContainer [2019-11-19 23:22:45,123 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:22:45,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:22:45,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:22:45,123 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:22:45,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:22:40" (3/4) ... [2019-11-19 23:22:45,126 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:22:45,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:22:45,128 INFO L168 Benchmark]: Toolchain (without parser) took 5593.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -110.3 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:45,128 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:22:45,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:45,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:22:45,129 INFO L168 Benchmark]: Boogie Preprocessor took 13.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:22:45,129 INFO L168 Benchmark]: RCFGBuilder took 195.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:45,130 INFO L168 Benchmark]: BuchiAutomizer took 5085.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.1 MB). Peak memory consumption was 305.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:22:45,130 INFO L168 Benchmark]: Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:22:45,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 195.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5085.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.1 MB). Peak memory consumption was 305.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div386 bol100 ite100 ukn100 eq147 hnf51 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 126ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...