./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 208a8efcd2fd6b8ea52a20177afd9722587411ce .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:58:50,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:58:50,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:58:50,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:58:50,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:58:50,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:58:50,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:58:50,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:58:50,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:58:50,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:58:50,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:58:50,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:58:50,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:58:50,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:58:50,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:58:50,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:58:50,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:58:50,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:58:50,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:58:50,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:58:50,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:58:50,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:58:50,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:58:50,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:58:50,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:58:50,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:58:50,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:58:50,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:58:50,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:58:50,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:58:50,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:58:50,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:58:50,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:58:50,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:58:50,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:58:50,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:58:50,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:58:50,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:58:50,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:58:50,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:58:50,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:58:50,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 12:58:50,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:58:50,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:58:50,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:58:50,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:58:50,263 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:58:50,263 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:58:50,263 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:58:50,263 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:58:50,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:58:50,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:58:50,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:58:50,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:58:50,266 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:58:50,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:58:50,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:58:50,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:58:50,266 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:58:50,266 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:58:50,267 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 208a8efcd2fd6b8ea52a20177afd9722587411ce [2019-12-07 12:58:50,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:58:50,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:58:50,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:58:50,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:58:50,380 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:58:50,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-12-07 12:58:50,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/data/6375dcde5/003f46dc778f492d8d35ecf997035ec9/FLAG7ef936ba8 [2019-12-07 12:58:50,741 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:58:50,742 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2019-12-07 12:58:50,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/data/6375dcde5/003f46dc778f492d8d35ecf997035ec9/FLAG7ef936ba8 [2019-12-07 12:58:50,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/data/6375dcde5/003f46dc778f492d8d35ecf997035ec9 [2019-12-07 12:58:50,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:58:50,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:58:50,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:58:50,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:58:50,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:58:50,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b41abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50, skipping insertion in model container [2019-12-07 12:58:50,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:58:50,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:58:50,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:58:50,891 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:58:50,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:58:50,952 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:58:50,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50 WrapperNode [2019-12-07 12:58:50,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:58:50,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:58:50,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:58:50,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:58:50,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:58:50,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:58:50,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:58:50,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:58:50,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... [2019-12-07 12:58:50,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:58:50,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:58:50,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:58:50,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:58:50,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:58:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:58:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:58:51,125 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:58:51,126 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 12:58:51,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:58:51 BoogieIcfgContainer [2019-12-07 12:58:51,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:58:51,127 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:58:51,127 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:58:51,129 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:58:51,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:58:51,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:58:50" (1/3) ... [2019-12-07 12:58:51,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f5bf975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:58:51, skipping insertion in model container [2019-12-07 12:58:51,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:58:51,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:58:50" (2/3) ... [2019-12-07 12:58:51,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f5bf975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:58:51, skipping insertion in model container [2019-12-07 12:58:51,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:58:51,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:58:51" (3/3) ... [2019-12-07 12:58:51,132 INFO L371 chiAutomizerObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2019-12-07 12:58:51,161 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:58:51,161 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:58:51,161 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:58:51,162 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:58:51,162 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:58:51,162 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:58:51,162 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:58:51,162 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:58:51,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 12:58:51,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 12:58:51,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:58:51,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:58:51,187 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 12:58:51,187 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:58:51,188 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:58:51,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 12:58:51,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 12:58:51,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:58:51,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:58:51,189 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 12:58:51,189 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 12:58:51,194 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~a~0, main_~b~0, main_~q~0, main_~olda~0;havoc main_~a~0;havoc main_~b~0;havoc main_~q~0;havoc main_~olda~0;main_~q~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~a~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~b~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L23true assume !!(-524287 <= main_~q~0 && main_~q~0 <= 524287); 8#L24true assume !!(-524287 <= main_~a~0 && main_~a~0 <= 524287); 11#L25true assume !!(-524287 <= main_~b~0 && main_~b~0 <= 524287); 9#L26-2true [2019-12-07 12:58:51,194 INFO L796 eck$LassoCheckResult]: Loop: 9#L26-2true assume !!(main_~q~0 > 0);main_~q~0 := main_~q~0 + main_~a~0 - 1;main_~olda~0 := main_~a~0;main_~a~0 := 3 * main_~olda~0 - 4 * main_~b~0;main_~b~0 := 4 * main_~olda~0 + 3 * main_~b~0; 9#L26-2true [2019-12-07 12:58:51,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:58:51,198 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-12-07 12:58:51,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:58:51,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758956987] [2019-12-07 12:58:51,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:58:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:58:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:58:51,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:58:51,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:58:51,277 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2019-12-07 12:58:51,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:58:51,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929790442] [2019-12-07 12:58:51,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:58:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:58:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:58:51,286 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:58:51,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:58:51,287 INFO L82 PathProgramCache]: Analyzing trace with hash 29742510, now seen corresponding path program 1 times [2019-12-07 12:58:51,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:58:51,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154728958] [2019-12-07 12:58:51,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:58:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:58:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:58:51,302 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:58:51,342 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:58:51,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:58:51,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:58:51,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:58:51,343 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:58:51,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:58:51,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:58:51,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:58:51,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2019-12-07 12:58:51,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:58:51,343 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:58:51,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:58:51,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:58:51,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:58:51,450 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:58:51,450 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:58:51,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:58:51,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:58:51,461 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:58:51,462 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:58:51,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:58:51,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:58:51,469 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:58:51,469 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:58:51,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:58:51,473 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:58:51,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:58:51,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:59:03,497 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-12-07 12:59:03,499 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:59:03,499 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:59:03,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:59:03,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:59:03,499 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:59:03,499 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:59:03,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:59:03,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2019-12-07 12:59:03,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:59:03,500 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:59:03,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:59:03,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:59:03,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:59:03,562 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:59:03,566 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:59:03,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:59:03,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:59:03,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:59:03,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 12:59:03,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 12:59:03,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:59:03,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:59:03,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:59:03,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:59:03,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 12:59:03,607 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 12:59:03,615 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 12:59:03,615 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 12:59:03,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,626 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 12:59:03,630 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 12:59:03,630 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 12:59:03,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:59:03,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,642 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 12:59:03,645 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 12:59:03,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:59:03,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 12:59:03,650 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 12:59:03,657 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 12:59:03,657 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 12:59:03,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 12:59:03,671 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 12:59:03,671 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 12:59:03,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:59:03,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 12:59:03,686 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 12:59:03,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:59:03,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 12:59:03,694 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,699 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 12:59:03,703 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 12:59:03,703 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 12:59:03,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,716 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 12:59:03,720 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 12:59:03,720 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 12:59:03,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 12:59:03,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:59:03,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:59:03,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:59:03,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:59:03,732 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 12:59:03,735 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 12:59:03,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:59:03,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:59:03,761 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 12:59:03,761 INFO L444 ModelExtractionUtils]: 9 out of 21 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d7a963b-f135-4d21-82f3-217ce7bde236/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:59:03,764 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:59:03,765 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:59:03,765 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:59:03,765 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 4-nested ranking function: f0 = -20*ULTIMATE.start_main_~b~0 + 100*ULTIMATE.start_main_~q~0 - 10*ULTIMATE.start_main_~a~0 f1 = -4*ULTIMATE.start_main_~b~0 + 3*ULTIMATE.start_main_~a~0 f2 = 1*ULTIMATE.start_main_~q~0 + 1*ULTIMATE.start_main_~a~0 f3 = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2019-12-07 12:59:03,769 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:59:03,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:03,805 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:59:03,806 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:03,819 WARN L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 12:59:03,820 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:03,831 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 12:59:03,832 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2019-12-07 12:59:03,864 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 21 states and 26 transitions. Complement of second has 5 states. [2019-12-07 12:59:03,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 12:59:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 12:59:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-12-07 12:59:03,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 1 letters. [2019-12-07 12:59:03,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:59:03,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 12:59:03,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:59:03,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 12:59:03,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:59:03,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-12-07 12:59:03,870 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:59:03,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-12-07 12:59:03,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:59:03,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:59:03,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:59:03,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:59:03,874 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:59:03,874 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:59:03,874 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:59:03,874 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:59:03,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:59:03,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:59:03,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 12:59:03,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:59:03 BoogieIcfgContainer [2019-12-07 12:59:03,878 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:59:03,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:59:03,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:59:03,879 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:59:03,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:58:51" (3/4) ... [2019-12-07 12:59:03,882 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:59:03,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:59:03,884 INFO L168 Benchmark]: Toolchain (without parser) took 13125.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.8 MB in the beginning and 934.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:03,885 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:03,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:03,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:03,886 INFO L168 Benchmark]: Boogie Preprocessor took 11.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:03,887 INFO L168 Benchmark]: RCFGBuilder took 141.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:03,887 INFO L168 Benchmark]: BuchiAutomizer took 12751.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.7 MB in the end (delta: 146.4 MB). Peak memory consumption was 146.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:03,888 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.1 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:03,891 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 141.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12751.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.7 MB in the end (delta: 146.4 MB). Peak memory consumption was 146.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.1 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 4-nested ranking function (if -20 * b + 100 * q + -10 * a > 0 then 3 else (if -4 * b + 3 * a > 0 then 2 else (if q + a > 0 then 1 else 0))), (if -20 * b + 100 * q + -10 * a > 0 then -20 * b + 100 * q + -10 * a else (if -4 * b + 3 * a > 0 then -4 * b + 3 * a else (if q + a > 0 then q + a else q))) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 12 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf102 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf93 smp100 dnf100 smp100 tf103 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...