./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.25-9a8b2e8 [2020-10-20 06:32:37,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:32:37,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:32:37,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:32:37,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:32:37,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:32:37,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:32:37,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:32:37,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:32:37,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:32:37,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:32:37,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:32:37,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:32:37,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:32:37,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:32:37,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:32:37,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:32:37,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:32:37,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:32:37,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:32:37,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:32:37,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:32:37,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:32:37,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:32:37,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:32:37,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:32:37,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:32:37,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:32:37,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:32:37,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:32:37,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:32:37,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:32:37,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:32:37,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:32:37,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:32:37,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:32:37,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:32:37,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:32:37,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:32:37,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:32:37,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:32:37,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:32:37,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:32:37,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:32:37,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:32:37,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:32:37,324 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:32:37,324 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:32:37,325 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:32:37,325 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:32:37,325 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:32:37,325 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:32:37,326 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:32:37,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:32:37,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:32:37,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:32:37,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:32:37,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:32:37,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:32:37,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:32:37,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:32:37,330 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:32:37,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:32:37,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:32:37,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:32:37,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:32:37,335 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:32:37,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:32:37,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:32:37,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:32:37,336 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:32:37,337 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:32:37,338 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-10-20 06:32:37,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:32:37,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:32:37,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:32:37,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:32:37,557 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:32:37,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-10-20 06:32:37,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7606cac/97255da79be54b0097143f5aac9f6fd9/FLAG5e3f501d5 [2020-10-20 06:32:38,083 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:32:38,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-10-20 06:32:38,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7606cac/97255da79be54b0097143f5aac9f6fd9/FLAG5e3f501d5 [2020-10-20 06:32:38,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7606cac/97255da79be54b0097143f5aac9f6fd9 [2020-10-20 06:32:38,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:32:38,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:32:38,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:32:38,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:32:38,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:32:38,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596ed263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38, skipping insertion in model container [2020-10-20 06:32:38,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:32:38,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:32:38,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:32:38,718 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:32:38,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:32:38,752 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:32:38,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38 WrapperNode [2020-10-20 06:32:38,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:32:38,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:32:38,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:32:38,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:32:38,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:32:38,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:32:38,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:32:38,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:32:38,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... [2020-10-20 06:32:38,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:32:38,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:32:38,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:32:38,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:32:38,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:32:38,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:32:39,063 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:32:39,063 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:32:39,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:32:39 BoogieIcfgContainer [2020-10-20 06:32:39,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:32:39,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:32:39,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:32:39,070 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:32:39,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:32:39,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:32:38" (1/3) ... [2020-10-20 06:32:39,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6648de8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:32:39, skipping insertion in model container [2020-10-20 06:32:39,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:32:39,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:32:38" (2/3) ... [2020-10-20 06:32:39,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6648de8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:32:39, skipping insertion in model container [2020-10-20 06:32:39,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:32:39,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:32:39" (3/3) ... [2020-10-20 06:32:39,075 INFO L373 chiAutomizerObserver]: Analyzing ICFG Gothenburg-1.c [2020-10-20 06:32:39,120 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:32:39,120 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:32:39,120 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:32:39,121 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:32:39,121 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:32:39,121 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:32:39,121 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:32:39,121 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:32:39,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:32:39,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:32:39,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:32:39,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:32:39,161 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:32:39,161 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:32:39,161 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:32:39,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:32:39,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:32:39,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:32:39,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:32:39,163 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:32:39,163 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:32:39,170 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~b~0, main_~x~0, main_~y~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~x~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L22true assume !!(-268435455 <= main_~a~0 && main_~a~0 <= 268435455); 7#L23true assume !!(-268435455 <= main_~b~0 && main_~b~0 <= 268435455); 9#L24true assume !!(-268435455 <= main_~x~0 && main_~x~0 <= 268435455); 11#L25true assume !!(-268435455 <= main_~y~0 && main_~y~0 <= 268435455); 3#L26true assume main_~a~0 == main_~b~0; 12#L27-2true [2020-10-20 06:32:39,170 INFO L796 eck$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 [2020-10-20 06:32:39,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:32:39,184 INFO L82 PathProgramCache]: Analyzing trace with hash 922017710, now seen corresponding path program 1 times [2020-10-20 06:32:39,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:32:39,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6056343] [2020-10-20 06:32:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:32:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:32:39,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:32:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:32:39,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:32:39,322 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:32:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:32:39,323 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-10-20 06:32:39,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:32:39,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473434524] [2020-10-20 06:32:39,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:32:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:32:39,333 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:32:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:32:39,338 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:32:39,340 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:32:39,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:32:39,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1482222029, now seen corresponding path program 1 times [2020-10-20 06:32:39,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:32:39,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005708478] [2020-10-20 06:32:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:32:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:32:39,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:32:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:32:39,368 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:32:39,371 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:32:39,519 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:32:39,521 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:32:39,521 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:32:39,521 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:32:39,521 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:32:39,522 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:39,522 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:32:39,522 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:32:39,522 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Loop [2020-10-20 06:32:39,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:32:39,523 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:32:39,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:39,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:39,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:39,721 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:32:39,722 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:32:39,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:39,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:32:39,743 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:39,743 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:39,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:39,787 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:39,795 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:39,795 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:39,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:39,832 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:39,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:32:39,867 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:40,296 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,296 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=1, 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=1, ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7, ULTIMATE.start_main_~a~0=6, ULTIMATE.start_main_~b~0=6, ULTIMATE.start_main_~x~0=-7}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-4, ULTIMATE.start_main_~b~0=-4, ULTIMATE.start_main_~x~0=-1}, {ULTIMATE.start_main_~y~0=1, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-2, ULTIMATE.start_main_~x~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] [2020-10-20 06:32:40,457 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:32:40,458 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:32:40,458 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:32:40,458 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:32:40,458 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:32:40,458 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:40,458 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:32:40,459 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:32:40,459 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-10-20 06:32:40,459 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:32:40,459 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:32:40,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:40,699 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:32:40,699 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:40,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:40,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:32:40,712 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,712 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:40,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:40,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:32:40,765 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,766 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: [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:40,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:40,801 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:32:40,806 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,806 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:40,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:40,861 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:40,871 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,871 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:40,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:40,922 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 [2020-10-20 06:32:40,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,928 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:40,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:40,981 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 [2020-10-20 06:32:40,985 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:32:40,986 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:32:41,038 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:32:41,123 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,176 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:32:41,178 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:32:41,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:32:41,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:32:41,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:32:41,179 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:32:41,179 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,187 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:32:41,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:32:41,188 INFO L133 ssoRankerPreferences]: Filename of dumped script: Gothenburg-1.c_Iteration1_Lasso [2020-10-20 06:32:41,188 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:32:41,188 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:32:41,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:32:41,372 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:32:41,378 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:32:41,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:32:41,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:41,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:32:41,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:41,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,487 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:32:41,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,521 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-20 06:32:41,521 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:32:41,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:41,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:32:41,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:41,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:32:41,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:32:41,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:41,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:32:41,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:41,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:32:41,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:32:41,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:32:41,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:41,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:41,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:32:41,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:32:41,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:41,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:32:41,831 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,836 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 [2020-10-20 06:32:41,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,839 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:41,844 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-20 06:32:41,844 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 [2020-10-20 06:32:41,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:41,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:41,888 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:41,889 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:32:41,889 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 [2020-10-20 06:32:41,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:41,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:41,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:41,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:41,932 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:32:41,932 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 [2020-10-20 06:32:41,953 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-10-20 06:32:41,954 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-20 06:32:42,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,035 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:42,036 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:32:42,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,064 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:42,066 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:32:42,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,096 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:42,097 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:32:42,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,126 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:42,131 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-20 06:32:42,131 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-20 06:32:42,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,163 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:42,163 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:32:42,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:32:42,207 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,216 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,222 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-20 06:32:42,222 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 [2020-10-20 06:32:42,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,290 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,291 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:32:42,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,333 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:32:42,333 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 [2020-10-20 06:32:42,367 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2020-10-20 06:32:42,367 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-10-20 06:32:42,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:32:42,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:32:42,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:32:42,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,491 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:32:42,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:32:42,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,558 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,563 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-10-20 06:32:42,563 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:32:42,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,610 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-10-20 06:32:42,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 06:32:42,612 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 [2020-10-20 06:32:42,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:32:42,647 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,654 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,658 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-20 06:32:42,658 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 [2020-10-20 06:32:42,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,697 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,699 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:32:42,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,734 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:32:42,734 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,772 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2020-10-20 06:32:42,772 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2020-10-20 06:32:42,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,871 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,872 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:32:42,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,900 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,900 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:32:42,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:42,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:42,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:42,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,935 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,935 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:32:42,936 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 [2020-10-20 06:32:42,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:42,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:42,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:42,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:42,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:42,965 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:42,968 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-10-20 06:32:42,968 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-10-20 06:32:42,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:43,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:43,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:32:43,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:43,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:43,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:43,011 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-10-20 06:32:43,012 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-10-20 06:32:43,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:43,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-20 06:32:43,037 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:43,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:43,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:32:43,041 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:32:43,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:43,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:43,041 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:43,043 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-10-20 06:32:43,044 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-10-20 06:32:43,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:32:43,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:43,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:32:43,095 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:32:43,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:32:43,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:43,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:32:43,095 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-20 06:32:43,096 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-20 06:32:43,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:32:43,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:43,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:32:43,126 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-10-20 06:32:43,126 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-10-20 06:32:43,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:32:43,127 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:32:43,127 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 [2020-10-20 06:32:43,140 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2020-10-20 06:32:43,140 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-10-20 06:32:43,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:32:43,337 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-10-20 06:32:43,337 INFO L444 ModelExtractionUtils]: 8 out of 42 variables were initially zero. Simplification set additionally 22 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:32:43,343 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 [2020-10-20 06:32:43,356 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2020-10-20 06:32:43,356 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:32:43,357 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~y~0 + 1 f1 = 2*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 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] [2020-10-20 06:32:43,408 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2020-10-20 06:32:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:32:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:32:43,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:32:43,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:32:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:32:43,526 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:32:43,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:32:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:32:43,557 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 [2020-10-20 06:32:43,559 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2020-10-20 06:32:43,686 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2020-10-20 06:32:43,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:32:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 06:32:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2020-10-20 06:32:43,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-20 06:32:43,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:32:43,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 1 letters. [2020-10-20 06:32:43,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:32:43,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-20 06:32:43,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:32:43,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2020-10-20 06:32:43,699 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:32:43,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-10-20 06:32:43,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:32:43,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:32:43,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:32:43,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:32:43,705 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:32:43,705 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:32:43,705 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:32:43,706 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:32:43,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:32:43,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:32:43,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:32:43,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:32:43 BoogieIcfgContainer [2020-10-20 06:32:43,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:32:43,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:32:43,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:32:43,714 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:32:43,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:32:39" (3/4) ... [2020-10-20 06:32:43,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:32:43,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:32:43,722 INFO L168 Benchmark]: Toolchain (without parser) took 5250.11 ms. Allocated memory was 40.4 MB in the beginning and 53.5 MB in the end (delta: 13.1 MB). Free memory was 17.0 MB in the beginning and 21.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,723 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 30.4 MB. Free memory was 16.2 MB in the beginning and 16.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.68 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 16.1 MB in the beginning and 15.5 MB in the end (delta: 546.3 kB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.88 ms. Allocated memory is still 40.9 MB. Free memory was 15.4 MB in the beginning and 13.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,725 INFO L168 Benchmark]: Boogie Preprocessor took 17.05 ms. Allocated memory is still 40.9 MB. Free memory was 13.8 MB in the beginning and 12.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,727 INFO L168 Benchmark]: RCFGBuilder took 263.85 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 12.6 MB in the beginning and 17.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,728 INFO L168 Benchmark]: BuchiAutomizer took 4647.64 ms. Allocated memory was 42.5 MB in the beginning and 53.5 MB in the end (delta: 11.0 MB). Free memory was 17.3 MB in the beginning and 21.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,729 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 53.5 MB. Free memory was 21.5 MB in the beginning and 21.1 MB in the end (delta: 468.3 kB). Peak memory consumption was 468.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:32:43,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 30.4 MB. Free memory was 16.2 MB in the beginning and 16.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 275.68 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 16.1 MB in the beginning and 15.5 MB in the end (delta: 546.3 kB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 30.88 ms. Allocated memory is still 40.9 MB. Free memory was 15.4 MB in the beginning and 13.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 17.05 ms. Allocated memory is still 40.9 MB. Free memory was 13.8 MB in the beginning and 12.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 263.85 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 12.6 MB in the beginning and 17.5 MB in the end (delta: -4.9 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 4647.64 ms. Allocated memory was 42.5 MB in the beginning and 53.5 MB in the end (delta: 11.0 MB). Free memory was 17.3 MB in the beginning and 21.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * Witness Printer took 5.13 ms. Allocated memory is still 53.5 MB. Free memory was 21.5 MB in the beginning and 21.1 MB in the end (delta: 468.3 kB). Peak memory consumption was 468.3 kB. Max. memory is 14.3 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 y + 1 > 0 then 1 else 0), (if y + 1 > 0 then y + 1 else 2 * x + -1 * y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. 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: 119ms 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...