./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_24.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 37080e652aca30a197dfeef0cd840e0e07570cf4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:08:17,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:08:17,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:08:17,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:08:17,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:08:17,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:08:17,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:08:17,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:08:17,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:08:17,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:08:17,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:08:17,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:08:17,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:08:17,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:08:17,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:08:17,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:08:17,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:08:17,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:08:17,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:08:17,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:08:17,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:08:17,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:08:17,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:08:17,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:08:17,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:08:17,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:08:17,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:08:17,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:08:17,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:08:17,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:08:17,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:08:17,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:08:17,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:08:17,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:08:17,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:08:17,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:08:17,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:08:17,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:08:17,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:08:17,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:08:17,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:08:17,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:08:17,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:08:17,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:08:17,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:08:17,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:08:17,673 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:08:17,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:08:17,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:08:17,674 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:08:17,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:08:17,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:08:17,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:08:17,675 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:08:17,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:08:17,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:08:17,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:08:17,676 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:08:17,676 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:08:17,676 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_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37080e652aca30a197dfeef0cd840e0e07570cf4 [2019-12-07 18:08:17,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:08:17,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:08:17,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:08:17,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:08:17,793 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:08:17,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_24.c [2019-12-07 18:08:17,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/data/d397a8b5d/26b966d7a520422cbc168be5b9794d46/FLAGcd41537f8 [2019-12-07 18:08:18,269 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:08:18,269 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/sv-benchmarks/c/termination-restricted-15/NO_24.c [2019-12-07 18:08:18,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/data/d397a8b5d/26b966d7a520422cbc168be5b9794d46/FLAGcd41537f8 [2019-12-07 18:08:18,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/data/d397a8b5d/26b966d7a520422cbc168be5b9794d46 [2019-12-07 18:08:18,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:08:18,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:08:18,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:08:18,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:08:18,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:08:18,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43afbc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18, skipping insertion in model container [2019-12-07 18:08:18,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:08:18,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:08:18,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:08:18,397 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:08:18,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:08:18,447 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:08:18,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18 WrapperNode [2019-12-07 18:08:18,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:08:18,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:08:18,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:08:18,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:08:18,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:08:18,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:08:18,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:08:18,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:08:18,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... [2019-12-07 18:08:18,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:08:18,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:08:18,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:08:18,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:08:18,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:08:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:08:18,612 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:08:18,612 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 18:08:18,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:08:18 BoogieIcfgContainer [2019-12-07 18:08:18,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:08:18,614 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:08:18,614 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:08:18,616 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:08:18,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:08:18,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:08:18" (1/3) ... [2019-12-07 18:08:18,617 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d166bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:08:18, skipping insertion in model container [2019-12-07 18:08:18,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:08:18,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:08:18" (2/3) ... [2019-12-07 18:08:18,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d166bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:08:18, skipping insertion in model container [2019-12-07 18:08:18,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:08:18,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:08:18" (3/3) ... [2019-12-07 18:08:18,619 INFO L371 chiAutomizerObserver]: Analyzing ICFG NO_24.c [2019-12-07 18:08:18,650 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:08:18,650 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:08:18,651 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:08:18,651 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:08:18,651 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:08:18,651 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:08:18,651 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:08:18,651 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:08:18,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 18:08:18,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 18:08:18,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:08:18,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:08:18,679 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 18:08:18,679 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 18:08:18,679 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:08:18,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-12-07 18:08:18,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 18:08:18,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:08:18,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:08:18,680 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 18:08:18,680 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 18:08:18,684 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true [2019-12-07 18:08:18,685 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2019-12-07 18:08:18,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:08:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 18:08:18,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:08:18,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402236983] [2019-12-07 18:08:18,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:08:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:18,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:08:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:08:18,756 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 18:08:18,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:08:18,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560674056] [2019-12-07 18:08:18,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:08:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:18,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:08:18,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:08:18,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 18:08:18,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:08:18,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079741125] [2019-12-07 18:08:18,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:08:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:18,779 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:08:18,824 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:08:18,825 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:08:18,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:08:18,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:08:18,825 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:08:18,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:18,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:08:18,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:08:18,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-12-07 18:08:18,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:08:18,826 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:08:18,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:18,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:18,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:18,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:18,943 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:08:18,943 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:18,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:08:18,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:08:18,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:08:18,954 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:18,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:08:18,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:08:18,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:08:18,962 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:18,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:08:18,966 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:18,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:08:18,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:08:19,268 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:08:19,270 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:08:19,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:08:19,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:08:19,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:08:19,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:08:19,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,270 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:08:19,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:08:19,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-12-07 18:08:19,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:08:19,271 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:08:19,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,332 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:08:19,335 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:19,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:19,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:08:19,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:19,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:19,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:08:19,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:19,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:08:19,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:19,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:19,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:08:19,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,386 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,391 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,393 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:19,393 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:19,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,404 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,406 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:19,407 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:19,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,417 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,417 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:08:19,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,425 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,431 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:19,431 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:19,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,441 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,447 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,452 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,452 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,464 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,466 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,466 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,477 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,477 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:08:19,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,493 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,493 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,504 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,509 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,512 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:19,513 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:19,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,524 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,527 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:19,527 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:19,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,538 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,539 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:08:19,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:19,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,547 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,553 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:19,554 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:19,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,567 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,571 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,572 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,573 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:19,573 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:19,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,583 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,583 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,584 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,585 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:19,586 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:19,591 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,596 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,597 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,597 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:08:19,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,605 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,605 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:19,609 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:19,609 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:19,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,622 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,627 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:19,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,631 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,631 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,642 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 [2019-12-07 18:08:19,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,644 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:19,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,645 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,649 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,649 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,665 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,665 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:19,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,665 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,666 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:08:19,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,676 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:19,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,676 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,681 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,681 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,701 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,707 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,707 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,707 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,710 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:19,710 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:19,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,726 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,727 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,727 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,730 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:19,730 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:19,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,755 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,755 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,756 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,757 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:08:19,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,767 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:19,773 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:19,773 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:19,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,793 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,797 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,798 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,800 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,800 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,808 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 [2019-12-07 18:08:19,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,810 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,810 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,813 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,813 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,822 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 [2019-12-07 18:08:19,823 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,824 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,824 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,824 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:08:19,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,832 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:19,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,832 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:19,835 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:19,836 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:19,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,853 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,858 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,858 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:19,861 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 18:08:19,861 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 18:08:19,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,873 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,873 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,873 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:19,876 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 18:08:19,876 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 18:08:19,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,887 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:19,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,888 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:19,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:19,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:19,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:19,896 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:19,896 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:19,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:19,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:19,896 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:19,901 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 18:08:19,901 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 18:08:19,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:19,930 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 18:08:19,930 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2019-12-07 18:08:19,930 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2019-12-07 18:08:19,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:08:19,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-12-07 18:08:19,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:08:19,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466368621] [2019-12-07 18:08:19,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:08:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:19,939 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:08:19,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:08:19,939 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-12-07 18:08:19,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:08:19,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770066991] [2019-12-07 18:08:19,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:08:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:19,944 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:08:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:08:19,944 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-12-07 18:08:19,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:08:19,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367913307] [2019-12-07 18:08:19,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:08:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:08:19,954 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:08:19,981 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:08:19,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:08:19,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:08:19,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:08:19,981 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:08:19,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:19,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:08:19,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:08:19,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-12-07 18:08:19,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:08:19,982 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:08:19,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:19,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:20,035 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:08:20,035 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:08:20,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:08:20,041 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:08:20,041 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:08:20,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:08:20,047 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:08:20,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:08:20,052 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:08:20,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:08:20,290 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:08:20,292 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:08:20,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:08:20,293 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:08:20,293 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:08:20,293 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:08:20,293 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:08:20,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:08:20,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_24.c_Iteration1_Lasso [2019-12-07 18:08:20,293 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:08:20,294 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:08:20,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:20,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:20,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:20,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:08:20,350 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:08:20,350 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:20,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:20,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:08:20,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:20,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:08:20,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:20,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:20,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:08:20,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,381 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 [2019-12-07 18:08:20,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:08:20,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:20,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:08:20,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,394 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,399 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,400 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:20,400 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:20,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,411 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,411 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:08:20,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,419 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,420 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:20,420 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:20,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,432 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,435 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:20,435 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:20,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,443 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,449 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,450 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,461 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:08:20,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,469 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,470 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,471 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,485 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,485 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,495 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,500 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,502 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:20,502 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:20,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,512 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,513 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:08:20,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,521 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:20,521 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:20,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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 [2019-12-07 18:08:20,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:08:20,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,531 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,535 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:20,535 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:20,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,548 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,553 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,553 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,553 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,554 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:20,554 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:20,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,563 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,563 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,564 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 18:08:20,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,570 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,570 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,571 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:20,571 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:20,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,579 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 [2019-12-07 18:08:20,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,581 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,581 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 18:08:20,584 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 18:08:20,584 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 18:08:20,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,595 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,600 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,600 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:20,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,601 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,601 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,613 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:20,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,613 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,614 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:08:20,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,622 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,622 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:20,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,624 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,624 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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 [2019-12-07 18:08:20,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,641 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,641 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 18:08:20,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,641 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,645 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,645 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,665 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,670 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:20,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,670 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,672 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:20,672 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:20,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,685 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,685 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:20,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,686 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,687 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 18:08:20,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,695 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,696 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:20,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,696 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,698 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:20,698 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:20,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,712 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:20,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,712 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 18:08:20,717 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 18:08:20,717 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 18:08:20,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,916 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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 [2019-12-07 18:08:20,918 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 [2019-12-07 18:08:20,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,920 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,921 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,922 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,922 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,931 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,932 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,932 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:08:20,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:20,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,939 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,939 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,939 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,940 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,940 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,949 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 [2019-12-07 18:08:20,962 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,963 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 18:08:20,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,964 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 18:08:20,967 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 18:08:20,967 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 18:08:20,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:20,978 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,982 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,982 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:20,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,982 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:20,985 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 18:08:20,985 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 18:08:20,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/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) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:20,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:20,997 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:20,997 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:20,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:08:20,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:20,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:20,997 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:20,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:08:20,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:08:21,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:21,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:08:21,005 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:21,005 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:21,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:21,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:21,005 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:21,007 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 18:08:21,007 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 18:08:21,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc7655-bc6f-41c5-9239-42ecdb620769/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:08:21,018 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 [2019-12-07 18:08:21,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 18:08:21,019 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 18:08:21,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:08:21,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:08:21,019 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 18:08:21,024 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 18:08:21,024 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 18:08:21,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 18:08:21,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:08:21 BoogieIcfgContainer [2019-12-07 18:08:21,051 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:08:21,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:08:21,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:08:21,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:08:21,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:08:18" (3/4) ... [2019-12-07 18:08:21,054 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:08:21,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:08:21,056 INFO L168 Benchmark]: Toolchain (without parser) took 2771.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:08:21,056 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:08:21,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:08:21,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:08:21,057 INFO L168 Benchmark]: Boogie Preprocessor took 11.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:08:21,057 INFO L168 Benchmark]: RCFGBuilder took 132.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:08:21,057 INFO L168 Benchmark]: BuchiAutomizer took 2437.59 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -51.0 MB). Peak memory consumption was 254.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:08:21,057 INFO L168 Benchmark]: Witness Printer took 2.79 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. [2019-12-07 18:08:21,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 132.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2437.59 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -51.0 MB). Peak memory consumption was 254.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 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 2.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. 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: inital25 mio100 ax148 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf91 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2;" "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" Loop: "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...