./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_23.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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_1.5.800.v20200727-1323.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-restricted-15/NO_23.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 cee692bfa384f30ecd519bc2dc9dfe35c80a4941 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:31:35,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:31:35,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:31:35,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:31:35,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:31:35,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:31:35,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:31:35,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:31:35,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:31:35,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:31:35,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:31:35,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:31:35,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:31:35,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:31:35,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:31:35,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:31:35,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:31:35,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:31:35,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:31:35,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:31:35,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:31:35,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:31:35,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:31:35,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:31:35,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:31:35,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:31:35,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:31:35,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:31:35,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:31:35,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:31:35,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:31:35,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:31:35,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:31:35,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:31:35,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:31:35,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:31:35,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:31:35,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:31:35,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:31:35,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:31:35,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:31:35,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:31:35,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:31:35,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:31:35,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:31:35,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:31:35,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:31:35,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:31:35,292 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:31:35,292 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:31:35,292 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:31:35,293 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:31:35,293 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:31:35,293 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:31:35,293 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:31:35,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:31:35,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:31:35,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:31:35,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:31:35,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:31:35,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:31:35,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:31:35,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:31:35,295 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:31:35,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:31:35,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:31:35,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:31:35,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:31:35,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:31:35,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:31:35,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:31:35,297 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:31:35,297 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cee692bfa384f30ecd519bc2dc9dfe35c80a4941 [2021-08-31 01:31:35,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:31:35,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:31:35,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:31:35,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:31:35,565 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:31:35,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_23.c [2021-08-31 01:31:35,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92833c03/2c5cba91535e4f9eb632ad4ae1d5254d/FLAG1ae67c276 [2021-08-31 01:31:35,929 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:31:35,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_23.c [2021-08-31 01:31:35,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92833c03/2c5cba91535e4f9eb632ad4ae1d5254d/FLAG1ae67c276 [2021-08-31 01:31:36,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d92833c03/2c5cba91535e4f9eb632ad4ae1d5254d [2021-08-31 01:31:36,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:31:36,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:31:36,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:31:36,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:31:36,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:31:36,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38100a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36, skipping insertion in model container [2021-08-31 01:31:36,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:31:36,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:31:36,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:31:36,496 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:31:36,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:31:36,510 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:31:36,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36 WrapperNode [2021-08-31 01:31:36,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:31:36,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:31:36,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:31:36,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:31:36,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:31:36,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:31:36,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:31:36,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:31:36,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:31:36,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:31:36,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:31:36,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:31:36,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (1/1) ... [2021-08-31 01:31:36,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:36,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:36,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:31:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:31:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:31:36,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:31:36,709 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-31 01:31:36,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:31:36 BoogieIcfgContainer [2021-08-31 01:31:36,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:31:36,711 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:31:36,711 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:31:36,713 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:31:36,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:31:36,714 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:31:36" (1/3) ... [2021-08-31 01:31:36,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f14f9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:31:36, skipping insertion in model container [2021-08-31 01:31:36,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:31:36,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:36" (2/3) ... [2021-08-31 01:31:36,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f14f9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:31:36, skipping insertion in model container [2021-08-31 01:31:36,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:31:36,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:31:36" (3/3) ... [2021-08-31 01:31:36,717 INFO L389 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2021-08-31 01:31:36,757 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:31:36,757 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:31:36,757 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:31:36,757 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:31:36,758 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:31:36,758 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:31:36,758 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:31:36,758 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:31:36,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:36,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:36,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:36,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:36,781 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:31:36,781 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:31:36,781 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:31:36,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:36,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:36,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:36,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:36,782 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:31:36,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:31:36,786 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 4#L10-2true [2021-08-31 01:31:36,787 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0 < 100); 6#L10true assume main_~i~0 < 50;main_~i~0 := 51; 4#L10-2true [2021-08-31 01:31:36,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:36,790 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-08-31 01:31:36,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:36,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369366205] [2021-08-31 01:31:36,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:36,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:36,840 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:36,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:36,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-08-31 01:31:36,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:36,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354516702] [2021-08-31 01:31:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:36,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:36,875 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:36,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:36,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-08-31 01:31:36,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:36,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309217786] [2021-08-31 01:31:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:36,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:36,892 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:36,896 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:36,972 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:36,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:36,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:36,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:36,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:31:36,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:36,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:36,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:36,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2021-08-31 01:31:36,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:36,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:36,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:36,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:36,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:37,032 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:31:37,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 01:31:37,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:37,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,112 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:31:37,112 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: [] [2021-08-31 01:31:37,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 01:31:37,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:37,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:31:37,161 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: [] [2021-08-31 01:31:37,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 01:31:37,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:37,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,243 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 01:31:37,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:31:37,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,306 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:31:37,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,313 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:37,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:37,314 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:37,314 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:37,314 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:31:37,314 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:37,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:37,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2021-08-31 01:31:37,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:37,314 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:37,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,366 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:37,369 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:31:37,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 01:31:37,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:37,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:37,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:37,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:37,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:37,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:37,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:37,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:37,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:37,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:37,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:37,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:37,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:37,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:37,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:31:37,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:37,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 01:31:37,444 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:31:37,447 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 01:31:37,447 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 01:31:37,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,453 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,458 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:31:37,458 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 01:31:37,458 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:31:37,458 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2021-08-31 01:31:37,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 01:31:37,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,476 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 01:31:37,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:37,519 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:31:37,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:37,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:37,527 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:31:37,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:37,556 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 [2021-08-31 01:31:37,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:37,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 6 states. [2021-08-31 01:31:37,593 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 [2021-08-31 01:31:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-08-31 01:31:37,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2021-08-31 01:31:37,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:37,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2021-08-31 01:31:37,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:37,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2021-08-31 01:31:37,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:37,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-08-31 01:31:37,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:37,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-08-31 01:31:37,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-08-31 01:31:37,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-08-31 01:31:37,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-08-31 01:31:37,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:31:37,602 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-31 01:31:37,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-08-31 01:31:37,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-31 01:31:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-08-31 01:31:37,615 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-31 01:31:37,616 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-31 01:31:37,616 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:31:37,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-08-31 01:31:37,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:37,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:37,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:37,616 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:31:37,616 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:31:37,617 INFO L791 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 69#L10-2 assume !!(main_~i~0 < 100); 67#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 63#L10-2 [2021-08-31 01:31:37,617 INFO L793 eck$LassoCheckResult]: Loop: 63#L10-2 assume !!(main_~i~0 < 100); 64#L10 assume main_~i~0 < 50;main_~i~0 := 51; 63#L10-2 [2021-08-31 01:31:37,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:37,617 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-08-31 01:31:37,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:37,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157012021] [2021-08-31 01:31:37,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:37,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:37,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:31:37,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157012021] [2021-08-31 01:31:37,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157012021] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:31:37,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:31:37,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-31 01:31:37,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270624898] [2021-08-31 01:31:37,647 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:31:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:37,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2021-08-31 01:31:37,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:37,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458451877] [2021-08-31 01:31:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:37,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:37,651 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:37,656 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:37,670 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:37,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:37,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:37,671 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:37,671 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:31:37,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:37,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:37,673 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2021-08-31 01:31:37,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:37,673 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:37,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,705 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:37,706 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:31:37,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,711 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 01:31:37,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:37,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,735 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:31:37,736 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:31:37,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 01:31:37,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:37,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,799 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:31:37,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:37,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 01:31:37,865 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:31:37,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,871 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:37,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:37,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:37,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:37,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:31:37,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:37,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:37,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2021-08-31 01:31:37,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:37,871 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:37,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:37,905 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:37,905 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:31:37,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,906 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 01:31:37,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:37,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:37,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:37,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:37,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:37,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:37,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:31:37,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:37,932 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:31:37,940 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 01:31:37,941 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 01:31:37,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:37,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:37,944 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:37,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 01:31:37,946 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:31:37,946 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 01:31:37,946 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:31:37,946 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2021-08-31 01:31:37,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:37,967 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 01:31:37,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:37,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:31:37,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:37,990 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:31:37,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:38,020 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 [2021-08-31 01:31:38,020 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 16 transitions. Complement of second has 5 states. [2021-08-31 01:31:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:31:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-08-31 01:31:38,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-08-31 01:31:38,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-31 01:31:38,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-08-31 01:31:38,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2021-08-31 01:31:38,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:38,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2021-08-31 01:31:38,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-08-31 01:31:38,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-31 01:31:38,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-08-31 01:31:38,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:31:38,037 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-08-31 01:31:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-08-31 01:31:38,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-08-31 01:31:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-08-31 01:31:38,038 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-08-31 01:31:38,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:31:38,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:31:38,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:31:38,040 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:31:38,049 INFO L93 Difference]: Finished difference Result 13 states and 17 transitions. [2021-08-31 01:31:38,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:31:38,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2021-08-31 01:31:38,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:38,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 16 transitions. [2021-08-31 01:31:38,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-08-31 01:31:38,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-31 01:31:38,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-08-31 01:31:38,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:31:38,052 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-08-31 01:31:38,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-08-31 01:31:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-08-31 01:31:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-08-31 01:31:38,054 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-31 01:31:38,056 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-08-31 01:31:38,056 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:31:38,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-08-31 01:31:38,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 01:31:38,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:38,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:38,058 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1] [2021-08-31 01:31:38,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 01:31:38,058 INFO L791 eck$LassoCheckResult]: Stem: 144#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 139#L10-2 assume !!(main_~i~0 < 100); 140#L10 assume main_~i~0 < 50;main_~i~0 := 51; 149#L10-2 assume !!(main_~i~0 < 100); 148#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 146#L10-2 assume !!(main_~i~0 < 100); 142#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 145#L10-2 [2021-08-31 01:31:38,059 INFO L793 eck$LassoCheckResult]: Loop: 145#L10-2 assume !!(main_~i~0 < 100); 147#L10 assume main_~i~0 < 50;main_~i~0 := 51; 145#L10-2 [2021-08-31 01:31:38,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1366043347, now seen corresponding path program 1 times [2021-08-31 01:31:38,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:38,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062672004] [2021-08-31 01:31:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:38,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-31 01:31:38,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:31:38,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062672004] [2021-08-31 01:31:38,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062672004] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:31:38,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:31:38,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:31:38,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78145878] [2021-08-31 01:31:38,085 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:31:38,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2021-08-31 01:31:38,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:38,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166811942] [2021-08-31 01:31:38,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:38,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,100 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:38,117 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:38,117 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:38,117 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:38,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:38,117 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:31:38,117 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:38,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:38,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2021-08-31 01:31:38,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:38,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:38,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,148 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:38,148 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:31:38,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,149 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:38,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:38,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 01:31:38,185 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:31:38,185 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:31:38,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,201 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 01:31:38,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:38,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:38,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,234 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 01:31:38,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:31:38,243 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:38,295 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:31:38,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,300 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:38,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:38,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:38,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:38,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:31:38,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:38,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:38,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2021-08-31 01:31:38,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:38,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:38,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,336 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:38,337 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:31:38,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,337 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 01:31:38,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:38,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:38,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:38,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:38,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,381 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 01:31:38,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:38,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:38,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:31:38,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:38,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:31:38,405 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 01:31:38,405 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 01:31:38,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,409 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-31 01:31:38,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:31:38,411 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 01:31:38,411 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:31:38,411 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2021-08-31 01:31:38,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,428 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 01:31:38,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:31:38,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,456 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:31:38,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:38,461 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 [2021-08-31 01:31:38,462 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 19 transitions. Complement of second has 5 states. [2021-08-31 01:31:38,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:31:38,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-08-31 01:31:38,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 01:31:38,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,471 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:31:38,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:31:38,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,494 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:31:38,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:38,499 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-31 01:31:38,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,506 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 19 transitions. Complement of second has 5 states. [2021-08-31 01:31:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:31:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-08-31 01:31:38,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 01:31:38,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,507 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:31:38,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:31:38,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:38,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:31:38,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:38,537 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-31 01:31:38,538 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,545 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 4 states. [2021-08-31 01:31:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:31:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-08-31 01:31:38,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 01:31:38,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 9 letters. Loop has 2 letters. [2021-08-31 01:31:38,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2021-08-31 01:31:38,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:38,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2021-08-31 01:31:38,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:31:38,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 18 transitions. [2021-08-31 01:31:38,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-08-31 01:31:38,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-31 01:31:38,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-08-31 01:31:38,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:31:38,548 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-08-31 01:31:38,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-08-31 01:31:38,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 6. [2021-08-31 01:31:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2021-08-31 01:31:38,549 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-08-31 01:31:38,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:31:38,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:31:38,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:31:38,549 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:31:38,555 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-08-31 01:31:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:31:38,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-08-31 01:31:38,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:31:38,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 8 transitions. [2021-08-31 01:31:38,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-08-31 01:31:38,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-08-31 01:31:38,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2021-08-31 01:31:38,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:31:38,556 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-08-31 01:31:38,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2021-08-31 01:31:38,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 5. [2021-08-31 01:31:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-08-31 01:31:38,557 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-08-31 01:31:38,557 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-08-31 01:31:38,557 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:31:38,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2021-08-31 01:31:38,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:31:38,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:38,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:38,557 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:31:38,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-08-31 01:31:38,557 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 314#L10-2 [2021-08-31 01:31:38,558 INFO L793 eck$LassoCheckResult]: Loop: 314#L10-2 assume !!(main_~i~0 < 100); 315#L10 assume main_~i~0 < 50;main_~i~0 := 51; 316#L10-2 assume !!(main_~i~0 < 100); 317#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 314#L10-2 [2021-08-31 01:31:38,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,558 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-08-31 01:31:38,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:38,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585897982] [2021-08-31 01:31:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:38,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,560 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:38,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1234249, now seen corresponding path program 1 times [2021-08-31 01:31:38,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:38,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572225732] [2021-08-31 01:31:38,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:38,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,564 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:38,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:38,568 INFO L82 PathProgramCache]: Analyzing trace with hash 29863400, now seen corresponding path program 2 times [2021-08-31 01:31:38,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:38,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793584424] [2021-08-31 01:31:38,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:38,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,570 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:38,572 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:38,596 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:38,597 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:38,597 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:38,597 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:38,597 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:31:38,597 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,597 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:38,597 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:38,597 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2021-08-31 01:31:38,597 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:38,597 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:38,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,629 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:38,629 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:31:38,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,636 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:38,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:38,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 01:31:38,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,672 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 01:31:38,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:31:38,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:38,710 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:31:38,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,715 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:38,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:38,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:38,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:38,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:31:38,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:38,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:38,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2021-08-31 01:31:38,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:38,716 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:38,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:31:38,756 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:38,756 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:31:38,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,757 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:38,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:38,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:38,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-31 01:31:38,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:38,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,807 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-31 01:31:38,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:38,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:38,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:38,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:38,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,855 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-31 01:31:38,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:38,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:38,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:31:38,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:38,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:38,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,901 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-31 01:31:38,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:38,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:38,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:38,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:38,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:38,953 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-31 01:31:38,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,954 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-31 01:31:38,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:38,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:38,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:38,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:38,963 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:38,965 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-31 01:31:38,965 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-31 01:31:38,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:38,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-31 01:31:38,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:38,998 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:38,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-31 01:31:39,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,006 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,008 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-31 01:31:39,008 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-31 01:31:39,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 01:31:39,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,040 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-31 01:31:39,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:39,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,048 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,048 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 01:31:39,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:39,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,067 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 01:31:39,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,079 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,082 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-31 01:31:39,082 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-31 01:31:39,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,123 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-31 01:31:39,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,123 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,136 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 01:31:39,143 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,143 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,185 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,199 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,201 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,201 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-31 01:31:39,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-31 01:31:39,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,240 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-31 01:31:39,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:39,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,253 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,254 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 01:31:39,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:39,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-31 01:31:39,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,283 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-31 01:31:39,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,294 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,294 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,324 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-31 01:31:39,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,325 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-31 01:31:39,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,344 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-31 01:31:39,344 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-31 01:31:39,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,378 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-31 01:31:39,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,386 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,389 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-31 01:31:39,389 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-31 01:31:39,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,421 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:39,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,436 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,437 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 01:31:39,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:39,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-31 01:31:39,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,466 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-31 01:31:39,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:39,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,475 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,484 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-31 01:31:39,484 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-31 01:31:39,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-31 01:31:39,516 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-31 01:31:39,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,517 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 01:31:39,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:39,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,525 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,527 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-31 01:31:39,527 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-31 01:31:39,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,547 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-31 01:31:39,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,555 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,555 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:39,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,555 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,557 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-31 01:31:39,557 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-31 01:31:39,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,584 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-31 01:31:39,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,593 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:39,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:39,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,593 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,593 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 01:31:39,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:39,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,612 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-31 01:31:39,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,619 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:39,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,620 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 01:31:39,621 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-08-31 01:31:39,621 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-08-31 01:31:39,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,645 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-31 01:31:39,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,646 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-31 01:31:39,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,654 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,654 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 01:31:39,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,657 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,657 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-31 01:31:39,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,680 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-31 01:31:39,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,688 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 01:31:39,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,688 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,690 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,690 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-31 01:31:39,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,710 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 01:31:39,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,720 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 01:31:39,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:39,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,720 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,721 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 01:31:39,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:39,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-31 01:31:39,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,738 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 01:31:39,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,746 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,746 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 01:31:39,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,746 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,748 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,748 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-31 01:31:39,767 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-31 01:31:39,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,767 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 01:31:39,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,777 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,777 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:39,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,777 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,781 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-31 01:31:39,781 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-31 01:31:39,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,829 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 01:31:39,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,852 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,852 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:39,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,852 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,856 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-31 01:31:39,856 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-31 01:31:39,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-31 01:31:39,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,884 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 01:31:39,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,893 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:39,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:39,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,893 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 01:31:39,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:39,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-31 01:31:39,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,913 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 01:31:39,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,921 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,921 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:39,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,921 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 01:31:39,924 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-08-31 01:31:39,924 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-08-31 01:31:39,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:39,961 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-31 01:31:39,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:39,961 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:39,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:39,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:39,975 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:39,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:39,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:39,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:39,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 01:31:39,978 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:39,978 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:39,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:39,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-31 01:31:39,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:39,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,000 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 01:31:40,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,007 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,007 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:40,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,007 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:40,009 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:40,009 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:40,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:40,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:40,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,028 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,039 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:40,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:40,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,039 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:40,040 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 01:31:40,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:40,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 01:31:40,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-08-31 01:31:40,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:40,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,056 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-31 01:31:40,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,072 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 01:31:40,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,072 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 01:31:40,073 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 01:31:40,073 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:31:40,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-31 01:31:40,103 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-31 01:31:40,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:40,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,103 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-31 01:31:40,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,111 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,111 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:40,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,111 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 01:31:40,115 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-31 01:31:40,115 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-31 01:31:40,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-08-31 01:31:40,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:40,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,152 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-31 01:31:40,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,160 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,160 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:40,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,160 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 01:31:40,163 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-31 01:31:40,163 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-31 01:31:40,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-31 01:31:40,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:40,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,188 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-31 01:31:40,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,196 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:40,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:40,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,196 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 01:31:40,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:40,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:40,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-31 01:31:40,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:40,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:40,213 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:31:40,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-31 01:31:40,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:31:40,221 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 01:31:40,221 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 01:31:40,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:40,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:40,222 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 01:31:40,224 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-08-31 01:31:40,224 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-08-31 01:31:40,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:40,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-31 01:31:40,243 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-08-31 01:31:40,243 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 314#L10-2 assume !!(main_~i~0 < 100); 315#L10 assume main_~i~0 < 50;main_~i~0 := 51; 316#L10-2 assume !!(main_~i~0 < 100); 317#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 314#L10-2 [2021-08-31 01:31:40,243 INFO L793 eck$LassoCheckResult]: Loop: 314#L10-2 assume !!(main_~i~0 < 100); 315#L10 assume main_~i~0 < 50;main_~i~0 := 51; 316#L10-2 assume !!(main_~i~0 < 100); 317#L10 assume !(main_~i~0 < 50);main_~i~0 := 49; 314#L10-2 [2021-08-31 01:31:40,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash 29863400, now seen corresponding path program 3 times [2021-08-31 01:31:40,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:40,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148296638] [2021-08-31 01:31:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:40,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:40,246 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:40,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:40,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1234249, now seen corresponding path program 2 times [2021-08-31 01:31:40,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:40,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635236689] [2021-08-31 01:31:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:40,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:40,252 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:40,253 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:40,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:40,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1492334512, now seen corresponding path program 4 times [2021-08-31 01:31:40,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:40,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163457937] [2021-08-31 01:31:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:40,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:40,256 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:40,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:40,297 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:31:40,301 INFO L158 Benchmark]: Toolchain (without parser) took 3916.70ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 31.7MB in the beginning and 34.0MB in the end (delta: -2.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-08-31 01:31:40,301 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:31:40,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 125.47ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.5MB in the beginning and 47.6MB in the end (delta: -16.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-08-31 01:31:40,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.05ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 51.4MB in the end (delta: -3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:31:40,302 INFO L158 Benchmark]: Boogie Preprocessor took 9.98ms. Allocated memory is still 67.1MB. Free memory was 51.4MB in the beginning and 50.5MB in the end (delta: 901.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:31:40,302 INFO L158 Benchmark]: RCFGBuilder took 144.59ms. Allocated memory is still 67.1MB. Free memory was 50.5MB in the beginning and 43.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 01:31:40,302 INFO L158 Benchmark]: BuchiAutomizer took 3588.78ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 34.0MB in the end (delta: 9.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-08-31 01:31:40,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 125.47ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.5MB in the beginning and 47.6MB in the end (delta: -16.2MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.05ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 51.4MB in the end (delta: -3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 9.98ms. Allocated memory is still 67.1MB. Free memory was 51.4MB in the beginning and 50.5MB in the end (delta: 901.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 144.59ms. Allocated memory is still 67.1MB. Free memory was 50.5MB in the beginning and 43.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 3588.78ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 34.0MB in the end (delta: 9.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + 50 and consists of 4 locations. One deterministic module has affine ranking function -1 * i + 50 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + 50 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:31:40,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...