./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70b7927a0492d6be5caba90d696a196e2b22ba2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:25:48,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:25:48,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:25:48,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:25:48,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:25:48,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:25:48,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:25:48,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:25:48,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:25:48,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:25:48,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:25:48,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:25:48,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:25:48,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:25:48,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:25:48,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:25:48,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:25:48,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:25:48,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:25:48,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:25:48,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:25:48,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:25:48,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:25:48,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:25:48,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:25:48,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:25:48,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:25:48,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:25:48,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:25:48,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:25:48,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:25:48,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:25:48,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:25:48,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:25:48,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:25:48,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:25:48,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:25:48,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:25:48,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:25:48,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:25:48,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:25:48,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 02:25:48,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:25:48,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:25:48,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:25:48,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:25:48,278 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:25:48,278 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:25:48,278 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:25:48,279 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:25:48,279 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:25:48,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:25:48,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:25:48,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:25:48,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:25:48,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:25:48,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:25:48,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:25:48,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:25:48,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:25:48,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:25:48,287 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:25:48,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:25:48,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:25:48,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:25:48,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:25:48,289 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:25:48,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:25:48,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:25:48,290 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:25:48,291 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:25:48,292 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_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2019-11-20 02:25:48,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:25:48,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:25:48,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:25:48,505 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:25:48,506 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:25:48,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-11-20 02:25:48,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/data/e2a4287a6/de01b73407e84e3cbc8eca02c22c2788/FLAG241e5f585 [2019-11-20 02:25:48,970 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:25:48,971 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2019-11-20 02:25:48,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/data/e2a4287a6/de01b73407e84e3cbc8eca02c22c2788/FLAG241e5f585 [2019-11-20 02:25:49,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/data/e2a4287a6/de01b73407e84e3cbc8eca02c22c2788 [2019-11-20 02:25:49,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:25:49,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:25:49,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:25:49,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:25:49,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:25:49,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6574882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49, skipping insertion in model container [2019-11-20 02:25:49,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,418 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:25:49,435 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:25:49,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:25:49,635 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:25:49,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:25:49,800 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:25:49,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49 WrapperNode [2019-11-20 02:25:49,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:25:49,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:25:49,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:25:49,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:25:49,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:25:49,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:25:49,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:25:49,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:25:49,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... [2019-11-20 02:25:49,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:25:49,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:25:49,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:25:49,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:25:49,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:25:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:25:50,133 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:25:50,133 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 02:25:50,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:25:50 BoogieIcfgContainer [2019-11-20 02:25:50,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:25:50,135 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:25:50,135 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:25:50,138 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:25:50,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:25:50,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:25:49" (1/3) ... [2019-11-20 02:25:50,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f782f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:25:50, skipping insertion in model container [2019-11-20 02:25:50,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:25:50,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:25:49" (2/3) ... [2019-11-20 02:25:50,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f782f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:25:50, skipping insertion in model container [2019-11-20 02:25:50,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:25:50,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:25:50" (3/3) ... [2019-11-20 02:25:50,142 INFO L371 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2019-11-20 02:25:50,188 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:25:50,188 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:25:50,188 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:25:50,189 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:25:50,189 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:25:50,189 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:25:50,189 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:25:50,189 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:25:50,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 02:25:50,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 02:25:50,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:25:50,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:25:50,234 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:25:50,235 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 02:25:50,235 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:25:50,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 02:25:50,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 02:25:50,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:25:50,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:25:50,237 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:25:50,237 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 02:25:50,244 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2019-11-20 02:25:50,244 INFO L796 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0 || main_~y~0 >= 0);main_~x~0 := main_~x~0 + main_~a~0 - main_~b~0 - 1;main_~y~0 := main_~y~0 + main_~b~0 - main_~a~0 - 1; 12#L27-2true [2019-11-20 02:25:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:25:50,250 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2019-11-20 02:25:50,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:25:50,257 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128975798] [2019-11-20 02:25:50,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:25:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:25:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:25:50,373 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:25:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:25:50,375 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2019-11-20 02:25:50,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:25:50,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999155655] [2019-11-20 02:25:50,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:25:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:25:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:25:50,391 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:25:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:25:50,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2019-11-20 02:25:50,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:25:50,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005813982] [2019-11-20 02:25:50,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:25:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:25:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:25:50,417 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:25:50,496 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:25:50,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:25:50,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:25:50,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:25:50,497 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:25:50,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:50,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:25:50,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:25:50,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2019-11-20 02:25:50,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:25:50,498 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:25:50,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:50,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:50,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:50,725 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:25:50,725 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:50,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:50,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:25:50,744 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:50,744 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:50,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:50,755 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:50,762 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:50,762 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:50,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:50,777 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:50,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:25:50,803 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,240 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~a~0=-3, ULTIMATE.start_main_~b~0=-3, ULTIMATE.start_main_~x~0=-5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~b~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=6, ULTIMATE.start_main_~a~0=3, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=-7}] Lambdas: [1, 15, 1] Nus: [1, 0] [2019-11-20 02:25:51,369 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:25:51,369 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:25:51,369 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:25:51,369 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:25:51,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:25:51,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:25:51,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:25:51,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2019-11-20 02:25:51,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:25:51,371 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:25:51,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,586 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:25:51,586 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:25:51,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,603 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,609 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_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:51,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,624 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,631 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,631 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_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:51,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,655 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:25:51,662 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,662 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:51,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:25:51,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:51,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,707 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,711 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,711 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:51,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,728 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,733 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 02:25:51,733 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:25:51,747 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:25:51,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 02:25:51,843 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:25:51,845 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:25:51,845 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:25:51,845 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:25:51,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:25:51,845 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:25:51,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:51,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:25:51,846 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:25:51,846 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2019-11-20 02:25:51,846 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:25:51,846 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:25:51,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:51,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:25:52,081 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:25:52,087 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:25:52,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:25:52,140 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 [2019-11-20 02:25:52,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,168 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:25:52,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,209 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 02:25:52,210 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 02:25:52,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:25:52,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:25:52,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:25:52,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:25:52,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:25:52,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:25:52,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:25:52,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:25:52,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:52,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:25:52,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:25:52,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:25:52,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:25:52,376 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,385 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,389 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 02:25:52,390 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,396 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:25:52,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,406 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,408 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:25:52,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,423 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:25:52,423 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,458 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-11-20 02:25:52,458 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-20 02:25:52,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,530 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,539 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:25:52,539 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 [2019-11-20 02:25:52,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,558 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,559 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:25:52,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,581 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,582 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:25:52,583 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 [2019-11-20 02:25:52,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,598 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,601 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 02:25:52,602 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,648 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:52,649 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:25:52,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:25:52,657 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:25:52,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,670 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,674 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:25:52,674 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:25:52,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,697 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,698 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:25:52,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:25:52,708 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 [2019-11-20 02:25:52,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,712 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:25:52,712 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,740 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2019-11-20 02:25:52,741 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2019-11-20 02:25:52,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:52,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,826 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,827 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:25:52,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:25:52,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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 [2019-11-20 02:25:52,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,841 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:25:52,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:25:52,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:25:52,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:25:52,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,878 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,883 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 02:25:52,883 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,906 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 02:25:52,907 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 02:25:52,907 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 [2019-11-20 02:25:52,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:25:52,917 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,928 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 [2019-11-20 02:25:52,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,932 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:52,937 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 02:25:52,937 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:52,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:52,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:52,959 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:52,960 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:25:52,960 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 [2019-11-20 02:25:52,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:52,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:52,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:52,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:52,998 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:25:52,998 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,032 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2019-11-20 02:25:53,039 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2019-11-20 02:25:53,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:53,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:53,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:53,164 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:25:53,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:53,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:53,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,178 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:53,179 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:25:53,179 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 [2019-11-20 02:25:53,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:53,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:53,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,195 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:53,196 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:25:53,196 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 [2019-11-20 02:25:53,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:53,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,211 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:53,217 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 02:25:53,217 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:25:53,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:53,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,238 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 02:25:53,240 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 02:25:53,240 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 [2019-11-20 02:25:53,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 02:25:53,245 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:25:53,253 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:25:53,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,253 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:53,256 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 02:25:53,256 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,273 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:25:53,273 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:25:53,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:25:53,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:25:53,274 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 02:25:53,275 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 02:25:53,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:25:53,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 02:25:53,295 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 02:25:53,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:25:53,295 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:25:53,295 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,315 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2019-11-20 02:25:53,316 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-20 02:25:53,482 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:25:53,632 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-20 02:25:53,632 INFO L444 ModelExtractionUtils]: 13 out of 42 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3cb35a1-0944-43d0-88a1-af4609a32ab4/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) [2019-11-20 02:25:53,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:25:53,649 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2019-11-20 02:25:53,650 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:25:53,650 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 2*ULTIMATE.start_main_~x~0 + 1 f1 = 3*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0, -1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] [2019-11-20 02:25:53,664 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 02:25:53,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:25:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:25:53,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:25:53,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:25:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:25:53,771 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:25:53,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:25:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:25:53,792 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-20 02:25:53,793 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2019-11-20 02:25:53,935 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2019-11-20 02:25:53,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:25:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-20 02:25:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-11-20 02:25:53,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-20 02:25:53,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:25:53,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-20 02:25:53,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:25:53,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 02:25:53,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:25:53,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-11-20 02:25:53,956 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:25:53,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-20 02:25:53,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:25:53,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:25:53,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:25:53,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:25:53,962 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:25:53,963 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:25:53,963 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:25:53,963 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:25:53,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:25:53,963 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:25:53,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:25:53,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:25:53 BoogieIcfgContainer [2019-11-20 02:25:53,971 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:25:53,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:25:53,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:25:53,972 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:25:53,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:25:50" (3/4) ... [2019-11-20 02:25:53,977 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:25:53,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:25:53,980 INFO L168 Benchmark]: Toolchain (without parser) took 4578.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.1 MB in the beginning and 986.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:25:53,981 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:25:53,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:25:53,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.40 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. [2019-11-20 02:25:53,987 INFO L168 Benchmark]: Boogie Preprocessor took 37.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:25:53,988 INFO L168 Benchmark]: RCFGBuilder took 251.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:25:53,988 INFO L168 Benchmark]: BuchiAutomizer took 3835.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.7 MB in the end (delta: 132.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:25:53,989 INFO L168 Benchmark]: Witness Printer took 6.47 ms. Allocated memory is still 1.2 GB. Free memory is still 986.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:25:53,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 251.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3835.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 986.7 MB in the end (delta: 132.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.47 ms. Allocated memory is still 1.2 GB. Free memory is still 986.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-phase ranking function (if 2 * x + 1 > 0 then 1 else 0), (if 2 * x + 1 > 0 then 2 * x + 1 else 3 * y + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 17 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax129 hnf96 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp100 dnf157 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 177ms VariablesStem: 4 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...