./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:30,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:30,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:30,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:30,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:30,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:30,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:30,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:30,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:30,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:30,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:30,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:30,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:30,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:30,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:30,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:30,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:30,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:30,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:30,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:30,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:30,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:30,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:30,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:30,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:30,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:30,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:30,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:30,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:30,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:30,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:30,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:30,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:30,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:30,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:30,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:30,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:30,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:30,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:30,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:30,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:30,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:48:30,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:30,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:30,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:30,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:30,119 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:30,119 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:48:30,120 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:48:30,120 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:48:30,120 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:48:30,120 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:48:30,120 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:48:30,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:30,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:48:30,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:30,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:30,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:48:30,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:48:30,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:48:30,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:30,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:48:30,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:30,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:48:30,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:30,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:30,123 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:48:30,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:30,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:30,123 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:48:30,124 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:48:30,124 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_6235ffdf-434c-4277-a473-887597887709/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 -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2019-11-25 08:48:30,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:30,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:30,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:30,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:30,275 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:30,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-25 08:48:30,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/data/63c491bd9/71e140e682b9402b81d0d19905dabd8d/FLAG9497cebfd [2019-11-25 08:48:30,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:30,732 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-25 08:48:30,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/data/63c491bd9/71e140e682b9402b81d0d19905dabd8d/FLAG9497cebfd [2019-11-25 08:48:30,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/data/63c491bd9/71e140e682b9402b81d0d19905dabd8d [2019-11-25 08:48:30,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:30,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:30,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:30,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:30,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:30,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c6ebb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30, skipping insertion in model container [2019-11-25 08:48:30,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:30,790 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:30,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:30,995 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:31,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:31,130 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:31,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31 WrapperNode [2019-11-25 08:48:31,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:31,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:31,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:31,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:31,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:31,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:31,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:31,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:31,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... [2019-11-25 08:48:31,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:31,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:31,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:31,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:31,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:31,410 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:31,410 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:48:31,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31 BoogieIcfgContainer [2019-11-25 08:48:31,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:31,412 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:48:31,412 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:48:31,416 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:48:31,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:31,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:48:30" (1/3) ... [2019-11-25 08:48:31,419 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@463d6375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:31, skipping insertion in model container [2019-11-25 08:48:31,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:31,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:31" (2/3) ... [2019-11-25 08:48:31,420 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@463d6375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:31, skipping insertion in model container [2019-11-25 08:48:31,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:31,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31" (3/3) ... [2019-11-25 08:48:31,424 INFO L371 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2019-11-25 08:48:31,469 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:48:31,469 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:48:31,470 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:48:31,470 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:31,470 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:31,470 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:48:31,470 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:31,471 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:48:31,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-25 08:48:31,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:48:31,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:31,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:31,511 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:48:31,511 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:48:31,511 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:48:31,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-25 08:48:31,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:48:31,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:31,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:31,513 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:48:31,514 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:48:31,521 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2019-11-25 08:48:31,521 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-25 08:48:31,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,530 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-25 08:48:31,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023884047] [2019-11-25 08:48:31,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,618 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:31,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,620 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-25 08:48:31,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766307904] [2019-11-25 08:48:31,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:31,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-25 08:48:31,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249403634] [2019-11-25 08:48:31,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,665 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:31,763 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:31,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:31,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:31,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:31,764 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:48:31,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:31,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:31,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:31,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-25 08:48:31,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:31,765 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:31,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:31,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:31,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:32,011 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-11-25 08:48:32,263 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-11-25 08:48:32,273 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:32,274 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:32,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:48:32,293 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,301 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:48:32,301 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:48:32,319 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:48:32,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:48:32,416 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:48:32,418 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:32,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:32,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:32,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:32,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:32,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:32,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:32,419 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-25 08:48:32,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:32,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:32,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:32,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:32,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:32,770 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-25 08:48:32,775 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:32,780 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:32,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:32,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:32,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:32,788 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:32,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,826 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-11-25 08:48:32,827 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-25 08:48:32,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:32,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:32,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:32,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:32,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:32,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:32,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:32,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:32,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:32,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:32,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:32,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:32,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:32,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:32,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:32,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:32,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:32,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:32,921 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:32,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:32,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:32,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:32,930 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:32,930 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:32,995 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-25 08:48:32,995 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-25 08:48:33,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,083 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:33,084 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:33,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:33,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:33,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:33,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:33,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:33,115 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,131 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:33,131 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,194 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-25 08:48:33,195 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:48:33,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,299 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:33,300 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:33,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:33,324 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:33,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:33,328 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,348 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:33,348 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,406 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-25 08:48:33,406 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-25 08:48:33,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,544 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:33,546 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:33,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:33,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,566 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:33,569 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:33,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:33,573 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:33,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:33,590 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:33,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,591 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:33,591 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,624 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-25 08:48:33,624 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-25 08:48:33,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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) [2019-11-25 08:48:33,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:33,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:33,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,711 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:33,713 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:33,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:33,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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) [2019-11-25 08:48:33,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:33,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:33,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,741 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:33,742 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:33,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:33,747 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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) [2019-11-25 08:48:33,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:33,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:33,763 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:48:33,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,764 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:33,764 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,812 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-25 08:48:33,813 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:48:33,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,995 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 [2019-11-25 08:48:33,997 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:33,997 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:48:33,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:33,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:33,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:33,998 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:33,999 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:33,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:34,024 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,024 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:48:34,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,024 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:34,025 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:34,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:34,031 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:34,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:34,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,044 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:34,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,045 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:34,045 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:34,109 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-25 08:48:34,109 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-25 08:48:34,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,689 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:34,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,689 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:34,691 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:34,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:34,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,709 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:34,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,710 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:34,711 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:34,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:34,718 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:34,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,730 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:34,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,731 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:34,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,771 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-25 08:48:34,771 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:48:34,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,886 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 [2019-11-25 08:48:34,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,888 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:34,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,889 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:34,890 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:34,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:34,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,902 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:34,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:34,903 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:34,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:34,908 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:34,919 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:34,919 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:34,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,920 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:34,920 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,983 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-11-25 08:48:34,983 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-11-25 08:48:35,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:35,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:35,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:35,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:35,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:35,154 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:48:35,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:35,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:35,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:35,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:35,170 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:35,170 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:35,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:35,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:35,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:35,171 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:48:35,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:35,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:35,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:35,178 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-25 08:48:35,179 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-25 08:48:35,179 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2019-11-25 08:48:35,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:35,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-25 08:48:35,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:35,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939794549] [2019-11-25 08:48:35,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,194 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:35,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:35,194 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-25 08:48:35,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:35,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875328025] [2019-11-25 08:48:35,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,205 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:35,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:35,205 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-25 08:48:35,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:35,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238406496] [2019-11-25 08:48:35,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,232 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:35,278 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:35,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:35,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:35,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:35,278 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:48:35,278 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:35,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:35,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:35,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-25 08:48:35,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:35,279 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:35,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:35,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:35,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:35,585 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-11-25 08:48:35,587 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:35,587 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:35,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:48:35,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:48:35,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:48:35,630 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_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:35,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:48:35,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:48:35,638 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:48:35,639 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:35,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:48:35,643 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:35,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:48:35,659 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:35,816 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:48:35,818 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:35,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:35,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:35,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:35,818 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:35,818 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:35,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:35,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:35,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2019-11-25 08:48:35,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:35,819 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:35,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:35,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:35,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:36,088 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-11-25 08:48:36,090 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:36,090 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:36,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:36,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:36,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:36,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:36,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:36,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,142 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:36,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,161 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2019-11-25 08:48:36,161 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-25 08:48:36,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:36,206 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,218 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:36,219 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:36,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,230 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:36,230 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:36,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,248 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:36,248 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,277 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-25 08:48:36,277 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-25 08:48:36,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:36,349 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,353 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 [2019-11-25 08:48:36,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:36,357 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:36,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,365 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 [2019-11-25 08:48:36,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:36,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:36,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,378 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:36,378 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,425 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-25 08:48:36,425 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:48:36,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:36,525 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,530 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 [2019-11-25 08:48:36,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,534 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:36,535 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:36,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,546 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:36,548 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:36,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:36,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,563 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:36,563 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,612 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-25 08:48:36,612 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-25 08:48:36,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:36,731 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,737 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:36,737 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:36,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,738 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:36,738 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:36,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:36,750 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:36,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,751 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-25 08:48:36,752 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-25 08:48:36,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,765 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:36,765 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:36,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,766 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:36,766 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,797 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2019-11-25 08:48:36,798 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2019-11-25 08:48:36,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:36,888 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,896 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:36,896 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:48:36,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:36,897 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:36,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:36,915 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:48:36,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:36,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:36,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:36,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:36,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:36,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:36,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:36,929 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-25 08:48:36,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:36,929 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:36,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:36,964 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-25 08:48:36,965 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:48:37,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:37,084 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,091 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:37,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,092 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:37,093 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:37,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,108 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,108 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:37,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,109 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-25 08:48:37,110 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-25 08:48:37,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,123 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:37,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,123 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:37,123 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,188 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2019-11-25 08:48:37,188 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2019-11-25 08:48:37,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:37,347 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,366 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:37,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,367 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:37,367 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:37,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,386 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,387 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:37,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,387 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-25 08:48:37,387 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:48:37,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,402 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-25 08:48:37,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,402 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:37,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,441 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2019-11-25 08:48:37,441 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-25 08:48:37,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:37,532 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/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 [2019-11-25 08:48:37,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,537 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,537 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:37,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,537 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:48:37,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:37,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,553 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,553 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:37,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,553 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-25 08:48:37,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:37,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6235ffdf-434c-4277-a473-887597887709/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:37,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-25 08:48:37,567 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-25 08:48:37,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,567 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2019-11-25 08:48:37,567 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,619 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2019-11-25 08:48:37,619 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2019-11-25 08:48:37,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-25 08:48:37,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:48:37 BoogieIcfgContainer [2019-11-25 08:48:37,785 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:48:37,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:37,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:37,785 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:37,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31" (3/4) ... [2019-11-25 08:48:37,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:48:37,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:37,789 INFO L168 Benchmark]: Toolchain (without parser) took 7031.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:37,789 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:37,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -226.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:37,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:37,791 INFO L168 Benchmark]: Boogie Preprocessor took 14.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:37,791 INFO L168 Benchmark]: RCFGBuilder took 231.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:37,792 INFO L168 Benchmark]: BuchiAutomizer took 6372.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.7 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.0 MB). Peak memory consumption was 285.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:37,792 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:37,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -226.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 231.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6372.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.7 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.0 MB). Peak memory consumption was 285.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.21 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 6.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 6.2s. 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: inital49 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div261 bol100 ite111 ukn100 eq135 hnf58 smp88 dnf215 smp78 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 218ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 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_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...