./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/prodbin-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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-nla/prodbin-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:50:39,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:50:39,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:50:39,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:50:39,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:50:39,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:50:39,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:50:39,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:50:39,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:50:39,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:50:39,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:50:39,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:50:39,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:50:39,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:50:39,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:50:39,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:50:39,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:50:39,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:50:39,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:50:39,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:50:39,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:50:39,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:50:39,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:50:39,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:50:39,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:50:39,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:50:39,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:50:39,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:50:39,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:50:39,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:50:39,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:50:39,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:50:39,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:50:39,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:50:39,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:50:39,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:50:39,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:50:39,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:50:39,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:50:39,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:50:39,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:50:39,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 19:50:39,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:50:39,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:50:39,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:50:39,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:50:39,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:50:39,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:50:39,978 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:50:39,978 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 19:50:39,979 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 19:50:39,979 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 19:50:39,979 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 19:50:39,979 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 19:50:39,979 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 19:50:39,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:50:39,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 19:50:39,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:50:39,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:50:39,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 19:50:39,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:50:39,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 19:50:39,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 19:50:39,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 19:50:39,981 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 19:50:39,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:50:39,982 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 19:50:39,982 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:50:39,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 19:50:39,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:50:39,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:50:39,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:50:39,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:50:39,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:50:39,984 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 19:50:39,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66c8fdc8f3b3771cfa7e4d7d95a3c34e49547186ed45b177a99c3aa50cb9f3b [2021-12-22 19:50:40,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:50:40,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:50:40,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:50:40,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:50:40,230 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:50:40,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/prodbin-both-t.c [2021-12-22 19:50:40,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae85e5539/eec352f9222a43658d8f67c184d6585a/FLAGb4818c550 [2021-12-22 19:50:40,667 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:50:40,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/prodbin-both-t.c [2021-12-22 19:50:40,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae85e5539/eec352f9222a43658d8f67c184d6585a/FLAGb4818c550 [2021-12-22 19:50:41,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae85e5539/eec352f9222a43658d8f67c184d6585a [2021-12-22 19:50:41,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:50:41,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:50:41,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:50:41,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:50:41,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:50:41,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf56b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41, skipping insertion in model container [2021-12-22 19:50:41,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:50:41,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:50:41,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:50:41,246 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:50:41,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:50:41,269 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:50:41,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41 WrapperNode [2021-12-22 19:50:41,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:50:41,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:50:41,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:50:41,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:50:41,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,300 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2021-12-22 19:50:41,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:50:41,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:50:41,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:50:41,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:50:41,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:50:41,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:50:41,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:50:41,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:50:41,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (1/1) ... [2021-12-22 19:50:41,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:41,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:41,352 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) [2021-12-22 19:50:41,359 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 [2021-12-22 19:50:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:50:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:50:41,418 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:50:41,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:50:41,528 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:50:41,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:50:41,534 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 19:50:41,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:50:41 BoogieIcfgContainer [2021-12-22 19:50:41,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:50:41,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 19:50:41,537 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 19:50:41,539 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 19:50:41,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:50:41,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 07:50:41" (1/3) ... [2021-12-22 19:50:41,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37394d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:50:41, skipping insertion in model container [2021-12-22 19:50:41,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:50:41,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:50:41" (2/3) ... [2021-12-22 19:50:41,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37394d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:50:41, skipping insertion in model container [2021-12-22 19:50:41,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:50:41,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:50:41" (3/3) ... [2021-12-22 19:50:41,544 INFO L388 chiAutomizerObserver]: Analyzing ICFG prodbin-both-t.c [2021-12-22 19:50:41,611 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 19:50:41,611 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 19:50:41,611 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 19:50:41,611 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 19:50:41,611 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 19:50:41,612 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 19:50:41,612 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 19:50:41,612 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 19:50:41,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) 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) [2021-12-22 19:50:41,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-22 19:50:41,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:50:41,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:50:41,647 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-22 19:50:41,648 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:50:41,648 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 19:50:41,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) 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) [2021-12-22 19:50:41,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-22 19:50:41,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:50:41,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:50:41,650 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-22 19:50:41,650 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:50:41,655 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L28true assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 12#L36-2true [2021-12-22 19:50:41,656 INFO L793 eck$LassoCheckResult]: Loop: 12#L36-2true assume !false; 7#L38true assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 4#L41true assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 11#L41-2true main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 12#L36-2true [2021-12-22 19:50:41,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-22 19:50:41,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:41,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985951992] [2021-12-22 19:50:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:41,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:41,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:41,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:41,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:41,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1421130, now seen corresponding path program 1 times [2021-12-22 19:50:41,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:41,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297415322] [2021-12-22 19:50:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:41,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:41,787 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:41,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303343991] [2021-12-22 19:50:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:41,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:41,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:41,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:41,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 19:50:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:41,847 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:41,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:41,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030893, now seen corresponding path program 1 times [2021-12-22 19:50:41,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:41,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521177281] [2021-12-22 19:50:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:41,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:41,869 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:41,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965658167] [2021-12-22 19:50:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:41,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:41,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:41,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:41,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 19:50:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:41,974 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:41,984 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:42,184 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:42,186 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:42,186 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:42,186 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:42,187 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 19:50:42,187 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:42,187 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:42,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:42,188 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration1_Loop [2021-12-22 19:50:42,188 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:42,189 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:42,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:42,427 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:42,428 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 19:50:42,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:42,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:42,479 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) [2021-12-22 19:50:42,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:42,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:42,511 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 [2021-12-22 19:50:42,542 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 [2021-12-22 19:50:42,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:42,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:42,544 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) [2021-12-22 19:50:42,546 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 [2021-12-22 19:50:42,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 19:50:42,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:42,585 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 19:50:42,602 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 [2021-12-22 19:50:42,602 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:42,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:42,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:42,603 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:42,603 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:50:42,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:42,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:42,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:42,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration1_Loop [2021-12-22 19:50:42,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:42,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:42,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:42,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:42,802 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:50:42,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:42,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:42,808 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) [2021-12-22 19:50:42,809 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 [2021-12-22 19:50:42,810 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 [2021-12-22 19:50:42,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:42,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:42,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:42,819 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-22 19:50:42,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:42,828 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:42,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:42,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:50:42,868 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 19:50:42,868 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-22 19:50:42,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:42,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:42,887 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) [2021-12-22 19:50:42,894 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:50:42,894 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 19:50:42,895 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:50:42,895 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 [2021-12-22 19:50:42,897 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 4*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-22 19:50:42,921 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 [2021-12-22 19:50:42,924 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 19:50:42,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:42,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:50:42,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:42,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 19:50:42,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:50:43,060 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-22 19:50:43,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) 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) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-12-22 19:50:43,090 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) 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). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 35 states and 42 transitions. Complement of second has 6 states. [2021-12-22 19:50:43,095 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 [2021-12-22 19:50:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-12-22 19:50:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-12-22 19:50:43,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-22 19:50:43,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:43,101 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:50:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:43,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:50:43,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:43,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 19:50:43,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:50:43,157 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-22 19:50:43,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) 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) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-12-22 19:50:43,181 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) 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). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 36 states and 44 transitions. Complement of second has 8 states. [2021-12-22 19:50:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-22 19:50:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-12-22 19:50:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-12-22 19:50:43,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-22 19:50:43,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:43,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-22 19:50:43,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:43,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 8 letters. [2021-12-22 19:50:43,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:43,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2021-12-22 19:50:43,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-22 19:50:43,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 15 states and 18 transitions. [2021-12-22 19:50:43,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-22 19:50:43,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-22 19:50:43,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-12-22 19:50:43,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 19:50:43,191 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-22 19:50:43,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-12-22 19:50:43,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-12-22 19:50:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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) [2021-12-22 19:50:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-12-22 19:50:43,211 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-22 19:50:43,211 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-22 19:50:43,211 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 19:50:43,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-12-22 19:50:43,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-22 19:50:43,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:50:43,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:50:43,212 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-22 19:50:43,213 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:50:43,213 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 165#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 166#L36-2 assume !false; 172#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 159#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 160#L41-2 [2021-12-22 19:50:43,213 INFO L793 eck$LassoCheckResult]: Loop: 160#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 170#L36-2 assume !false; 167#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 168#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 160#L41-2 [2021-12-22 19:50:43,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:43,214 INFO L85 PathProgramCache]: Analyzing trace with hash 889575313, now seen corresponding path program 1 times [2021-12-22 19:50:43,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:43,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809960341] [2021-12-22 19:50:43,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:43,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:43,218 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:43,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310090547] [2021-12-22 19:50:43,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:43,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:43,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,219 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:43,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-22 19:50:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:43,244 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:43,249 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:43,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:43,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 2 times [2021-12-22 19:50:43,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:43,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214556237] [2021-12-22 19:50:43,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:43,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:43,257 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:43,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871633420] [2021-12-22 19:50:43,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:50:43,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:43,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:43,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-22 19:50:43,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-22 19:50:43,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:43,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:43,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:43,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:43,291 INFO L85 PathProgramCache]: Analyzing trace with hash 139108392, now seen corresponding path program 1 times [2021-12-22 19:50:43,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:43,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071959565] [2021-12-22 19:50:43,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:43,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:43,295 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:43,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947895580] [2021-12-22 19:50:43,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:43,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:43,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:43,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-22 19:50:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:43,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:43,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:43,412 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:43,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:43,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:43,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:43,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 19:50:43,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:43,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:43,413 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:43,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration2_Loop [2021-12-22 19:50:43,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:43,414 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:43,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:43,585 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:43,585 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 19:50:43,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:43,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,590 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 [2021-12-22 19:50:43,591 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) [2021-12-22 19:50:43,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:43,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:43,612 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 [2021-12-22 19:50:43,646 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 [2021-12-22 19:50:43,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:43,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,651 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) [2021-12-22 19:50:43,657 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 [2021-12-22 19:50:43,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 19:50:43,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:43,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 19:50:43,708 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 [2021-12-22 19:50:43,709 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:43,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:43,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:43,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:43,709 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:50:43,709 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:43,709 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:43,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:43,709 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration2_Loop [2021-12-22 19:50:43,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:43,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:43,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:43,856 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:43,856 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:50:43,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:43,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,860 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) [2021-12-22 19:50:43,873 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 [2021-12-22 19:50:43,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:43,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:43,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:43,881 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-22 19:50:43,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:43,886 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:43,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:43,891 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 [2021-12-22 19:50:43,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:50:43,901 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 19:50:43,901 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-22 19:50:43,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:43,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:43,902 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) [2021-12-22 19:50:43,903 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 [2021-12-22 19:50:43,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:50:43,904 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 19:50:43,904 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:50:43,904 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-22 19:50:43,920 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 [2021-12-22 19:50:43,921 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 19:50:43,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:43,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:50:43,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:43,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 19:50:43,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:50:44,130 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-22 19:50:44,130 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-12-22 19:50:44,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 24 states and 29 transitions. Complement of second has 5 states. [2021-12-22 19:50:44,156 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 [2021-12-22 19:50:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-12-22 19:50:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-22 19:50:44,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-22 19:50:44,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:44,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-22 19:50:44,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:44,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-22 19:50:44,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:44,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-12-22 19:50:44,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-22 19:50:44,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 28 transitions. [2021-12-22 19:50:44,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-22 19:50:44,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-22 19:50:44,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-12-22 19:50:44,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 19:50:44,164 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-12-22 19:50:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-12-22 19:50:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-12-22 19:50:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-12-22 19:50:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-12-22 19:50:44,174 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-22 19:50:44,174 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-12-22 19:50:44,174 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 19:50:44,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-12-22 19:50:44,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-22 19:50:44,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:50:44,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:50:44,179 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2021-12-22 19:50:44,179 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:50:44,179 INFO L791 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 254#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 255#L36-2 assume !false; 265#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 264#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 263#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 261#L36-2 assume !false; 256#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 248#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 249#L41-2 [2021-12-22 19:50:44,179 INFO L793 eck$LassoCheckResult]: Loop: 249#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 258#L36-2 assume !false; 269#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 268#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 249#L41-2 [2021-12-22 19:50:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:44,180 INFO L85 PathProgramCache]: Analyzing trace with hash 139108394, now seen corresponding path program 1 times [2021-12-22 19:50:44,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:44,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671015627] [2021-12-22 19:50:44,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:44,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:44,189 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:44,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1256811545] [2021-12-22 19:50:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:44,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:44,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,192 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:44,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-22 19:50:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:44,215 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:44,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:44,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 3 times [2021-12-22 19:50:44,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:44,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719137118] [2021-12-22 19:50:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:44,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:44,229 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:44,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518051395] [2021-12-22 19:50:44,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 19:50:44,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,231 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:44,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-22 19:50:44,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-12-22 19:50:44,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:44,249 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:44,253 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:44,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:44,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1537772479, now seen corresponding path program 2 times [2021-12-22 19:50:44,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:44,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688735397] [2021-12-22 19:50:44,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:44,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:44,258 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:44,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381549634] [2021-12-22 19:50:44,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:50:44,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:44,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,263 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:44,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-22 19:50:44,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 19:50:44,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:44,292 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:44,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:44,397 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 [2021-12-22 19:50:44,412 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:44,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:44,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:44,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:44,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 19:50:44,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:44,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:44,413 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:44,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration3_Loop [2021-12-22 19:50:44,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:44,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:44,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:44,557 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:44,557 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 19:50:44,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:44,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,560 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) [2021-12-22 19:50:44,560 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 [2021-12-22 19:50:44,562 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:44,562 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:44,598 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 [2021-12-22 19:50:44,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:44,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,599 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) [2021-12-22 19:50:44,601 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 [2021-12-22 19:50:44,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 19:50:44,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:44,643 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 19:50:44,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-22 19:50:44,667 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:44,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:44,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:44,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:44,667 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:50:44,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:44,668 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:44,668 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:44,668 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration3_Loop [2021-12-22 19:50:44,668 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:44,668 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:44,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:44,834 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:44,834 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:50:44,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,837 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) [2021-12-22 19:50:44,844 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 [2021-12-22 19:50:44,847 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 [2021-12-22 19:50:44,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:44,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:44,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:44,853 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-22 19:50:44,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:44,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:44,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:44,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 19:50:44,881 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 19:50:44,881 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-22 19:50:44,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:44,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:44,882 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) [2021-12-22 19:50:44,883 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 [2021-12-22 19:50:44,884 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 19:50:44,884 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 19:50:44,884 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 19:50:44,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-12-22 19:50:44,902 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 [2021-12-22 19:50:44,902 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 19:50:44,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:44,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:50:44,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:44,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 19:50:44,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:50:45,082 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-22 19:50:45,083 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-22 19:50:45,119 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 30 states and 37 transitions. Complement of second has 5 states. [2021-12-22 19:50:45,119 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 [2021-12-22 19:50:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-22 19:50:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-22 19:50:45,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-22 19:50:45,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:45,121 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:50:45,126 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 [2021-12-22 19:50:45,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:45,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:50:45,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:45,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 19:50:45,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:50:45,290 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-22 19:50:45,290 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-22 19:50:45,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 30 states and 37 transitions. Complement of second has 5 states. [2021-12-22 19:50:45,308 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 [2021-12-22 19:50:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-22 19:50:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-12-22 19:50:45,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-22 19:50:45,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:45,310 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-22 19:50:45,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:45,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 19:50:45,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 19:50:45,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 19:50:45,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 19:50:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 19:50:45,440 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 2 loop predicates [2021-12-22 19:50:45,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-22 19:50:45,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 33 states and 42 transitions. Complement of second has 6 states. [2021-12-22 19:50:45,462 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 [2021-12-22 19:50:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-12-22 19:50:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-12-22 19:50:45,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-22 19:50:45,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:45,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-22 19:50:45,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:45,466 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2021-12-22 19:50:45,467 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 19:50:45,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2021-12-22 19:50:45,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-22 19:50:45,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 32 transitions. [2021-12-22 19:50:45,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-22 19:50:45,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-22 19:50:45,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-12-22 19:50:45,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 19:50:45,471 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-22 19:50:45,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-12-22 19:50:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-12-22 19:50:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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) [2021-12-22 19:50:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-12-22 19:50:45,475 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-22 19:50:45,475 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-12-22 19:50:45,475 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 19:50:45,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-12-22 19:50:45,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-22 19:50:45,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:50:45,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:50:45,477 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-22 19:50:45,477 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 19:50:45,477 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 [2021-12-22 19:50:45,477 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-22 19:50:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:45,478 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-12-22 19:50:45,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:45,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323744691] [2021-12-22 19:50:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:45,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:45,486 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:45,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:45,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 1 times [2021-12-22 19:50:45,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:45,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861141292] [2021-12-22 19:50:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:45,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:45,501 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:45,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468283018] [2021-12-22 19:50:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:45,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:45,504 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:45,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-22 19:50:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:45,520 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:45,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:45,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 2 times [2021-12-22 19:50:45,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:45,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325061971] [2021-12-22 19:50:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:45,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:45,527 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:45,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778809909] [2021-12-22 19:50:45,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:50:45,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:45,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:45,528 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:45,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-22 19:50:45,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-22 19:50:45,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:45,549 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:45,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:45,625 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:45,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:45,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:45,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:45,625 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 19:50:45,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:45,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:45,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:45,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-22 19:50:45,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:45,626 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:45,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:45,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:45,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:45,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:45,935 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:45,935 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 19:50:45,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:45,939 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) [2021-12-22 19:50:45,946 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 [2021-12-22 19:50:45,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:45,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:45,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 19:50:45,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 19:50:45,968 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 [2021-12-22 19:50:45,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:45,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:45,969 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) [2021-12-22 19:50:45,970 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 [2021-12-22 19:50:45,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:45,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:46,018 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 [2021-12-22 19:50:46,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,020 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) [2021-12-22 19:50:46,024 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 [2021-12-22 19:50:46,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 19:50:46,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:46,054 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 19:50:46,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:46,080 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:46,080 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:46,080 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:46,080 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:46,080 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:50:46,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:46,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:46,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-22 19:50:46,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:46,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:46,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:46,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:46,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:46,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:46,373 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:46,373 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:50:46,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,376 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) [2021-12-22 19:50:46,387 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 [2021-12-22 19:50:46,388 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 [2021-12-22 19:50:46,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:46,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:50:46,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:46,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,430 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) [2021-12-22 19:50:46,432 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 [2021-12-22 19:50:46,436 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 [2021-12-22 19:50:46,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:46,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:50:46,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,466 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 [2021-12-22 19:50:46,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,467 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) [2021-12-22 19:50:46,468 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 [2021-12-22 19:50:46,469 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 [2021-12-22 19:50:46,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,475 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:46,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:46,517 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-22 19:50:46,517 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-22 19:50:46,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,602 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 [2021-12-22 19:50:46,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,603 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) [2021-12-22 19:50:46,605 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 [2021-12-22 19:50:46,606 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 [2021-12-22 19:50:46,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:46,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:50:46,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,643 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 [2021-12-22 19:50:46,643 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-22 19:50:46,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,644 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) [2021-12-22 19:50:46,646 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 [2021-12-22 19:50:46,646 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 [2021-12-22 19:50:46,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,654 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:46,654 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:46,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:46,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,674 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) [2021-12-22 19:50:46,676 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 [2021-12-22 19:50:46,676 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 [2021-12-22 19:50:46,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,682 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:46,683 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:46,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,698 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 [2021-12-22 19:50:46,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,700 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) [2021-12-22 19:50:46,700 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 [2021-12-22 19:50:46,702 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 [2021-12-22 19:50:46,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,708 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:46,708 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:46,766 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-22 19:50:46,767 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-22 19:50:46,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,913 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 [2021-12-22 19:50:46,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,914 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) [2021-12-22 19:50:46,919 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 [2021-12-22 19:50:46,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,926 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:46,927 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:46,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,929 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 [2021-12-22 19:50:46,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:46,961 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 [2021-12-22 19:50:46,961 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-22 19:50:46,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:46,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:46,963 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) [2021-12-22 19:50:46,967 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 [2021-12-22 19:50:46,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:46,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:46,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:46,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:46,974 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:46,975 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:46,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:46,977 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 [2021-12-22 19:50:46,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,012 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 [2021-12-22 19:50:47,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,013 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) [2021-12-22 19:50:47,016 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 [2021-12-22 19:50:47,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,023 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:47,024 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:47,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,026 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 [2021-12-22 19:50:47,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,058 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 [2021-12-22 19:50:47,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,059 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) [2021-12-22 19:50:47,063 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 [2021-12-22 19:50:47,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,072 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:47,072 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:47,092 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 [2021-12-22 19:50:47,141 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-22 19:50:47,141 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-22 19:50:47,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:47,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,375 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) [2021-12-22 19:50:47,376 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 [2021-12-22 19:50:47,377 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 [2021-12-22 19:50:47,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,384 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:47,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:47,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,421 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 [2021-12-22 19:50:47,422 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-22 19:50:47,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,423 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) [2021-12-22 19:50:47,428 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 [2021-12-22 19:50:47,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,435 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:47,437 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:47,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,439 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 [2021-12-22 19:50:47,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,478 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 [2021-12-22 19:50:47,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,480 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) [2021-12-22 19:50:47,486 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 [2021-12-22 19:50:47,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,493 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:47,494 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:47,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,503 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 [2021-12-22 19:50:47,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,526 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 [2021-12-22 19:50:47,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,528 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) [2021-12-22 19:50:47,530 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 [2021-12-22 19:50:47,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,539 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:47,539 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:47,556 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 [2021-12-22 19:50:47,641 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-22 19:50:47,641 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-22 19:50:47,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-22 19:50:47,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,890 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) [2021-12-22 19:50:47,891 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 [2021-12-22 19:50:47,892 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 [2021-12-22 19:50:47,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:47,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,898 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:47,899 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:47,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,918 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 [2021-12-22 19:50:47,918 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-22 19:50:47,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,919 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) [2021-12-22 19:50:47,920 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 [2021-12-22 19:50:47,921 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 [2021-12-22 19:50:47,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:47,927 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:47,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,927 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:47,928 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:47,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,952 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 [2021-12-22 19:50:47,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,953 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) [2021-12-22 19:50:47,954 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 [2021-12-22 19:50:47,955 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 [2021-12-22 19:50:47,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:47,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:47,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:47,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:47,961 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:47,961 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:47,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:47,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:47,977 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 [2021-12-22 19:50:47,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:47,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:47,978 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) [2021-12-22 19:50:47,979 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 [2021-12-22 19:50:47,980 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 [2021-12-22 19:50:47,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:47,986 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:47,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:47,986 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:47,986 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:48,042 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-22 19:50:48,042 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-22 19:50:48,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,200 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 [2021-12-22 19:50:48,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,202 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) [2021-12-22 19:50:48,202 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 [2021-12-22 19:50:48,203 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 [2021-12-22 19:50:48,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,209 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:48,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:48,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:48,210 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:48,210 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:48,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:48,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,226 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 [2021-12-22 19:50:48,227 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-22 19:50:48,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,228 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) [2021-12-22 19:50:48,228 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 [2021-12-22 19:50:48,235 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 [2021-12-22 19:50:48,243 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,243 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:48,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:48,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:48,243 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:48,244 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:48,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:48,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:48,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,286 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) [2021-12-22 19:50:48,288 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 [2021-12-22 19:50:48,288 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 [2021-12-22 19:50:48,295 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,295 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:48,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:48,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:48,295 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:48,296 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:48,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:48,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:48,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,334 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) [2021-12-22 19:50:48,335 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 [2021-12-22 19:50:48,336 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 [2021-12-22 19:50:48,343 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,343 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:48,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,344 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:48,344 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:48,434 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-22 19:50:48,434 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-22 19:50:48,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-22 19:50:48,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,745 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) [2021-12-22 19:50:48,745 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 [2021-12-22 19:50:48,746 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 [2021-12-22 19:50:48,753 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,753 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:48,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:48,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:48,753 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:48,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:48,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:48,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:48,809 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-22 19:50:48,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,811 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) [2021-12-22 19:50:48,815 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 [2021-12-22 19:50:48,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,822 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:48,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:48,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:48,823 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:48,824 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:48,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:48,827 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 [2021-12-22 19:50:48,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,862 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 [2021-12-22 19:50:48,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,864 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) [2021-12-22 19:50:48,867 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 [2021-12-22 19:50:48,874 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,874 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:48,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:48,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:48,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:48,876 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:48,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:48,879 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 [2021-12-22 19:50:48,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:48,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:48,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:48,911 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) [2021-12-22 19:50:48,915 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 [2021-12-22 19:50:48,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:48,924 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:48,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:48,924 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:48,924 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:48,951 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 [2021-12-22 19:50:49,070 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-22 19:50:49,070 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-22 19:50:51,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,260 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 [2021-12-22 19:50:51,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,261 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) [2021-12-22 19:50:51,262 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 [2021-12-22 19:50:51,263 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 [2021-12-22 19:50:51,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:51,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:51,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:51,272 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:51,273 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:51,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:51,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:51,291 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-22 19:50:51,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,292 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) [2021-12-22 19:50:51,292 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 [2021-12-22 19:50:51,296 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 [2021-12-22 19:50:51,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,302 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:51,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:51,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:51,303 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:51,303 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:51,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:51,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-22 19:50:51,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,320 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) [2021-12-22 19:50:51,321 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 [2021-12-22 19:50:51,322 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 [2021-12-22 19:50:51,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,328 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:51,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:51,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:51,328 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:51,330 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:51,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:51,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:51,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,347 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) [2021-12-22 19:50:51,348 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 [2021-12-22 19:50:51,348 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 [2021-12-22 19:50:51,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,355 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:51,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,355 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:51,355 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:51,427 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-22 19:50:51,428 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-22 19:50:51,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:51,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,625 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-12-22 19:50:51,627 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 [2021-12-22 19:50:51,634 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,634 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:51,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:51,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:51,634 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:51,635 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:51,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:51,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-22 19:50:51,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:51,673 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-22 19:50:51,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,675 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-12-22 19:50:51,680 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 [2021-12-22 19:50:51,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,687 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:51,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:51,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:51,688 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:51,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:50:51,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:51,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-22 19:50:51,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:51,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,726 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-12-22 19:50:51,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-22 19:50:51,728 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 [2021-12-22 19:50:51,736 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,736 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:51,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:51,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:51,736 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:51,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:50:51,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:51,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:51,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-22 19:50:51,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:51,770 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-12-22 19:50:51,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-22 19:50:51,772 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 [2021-12-22 19:50:51,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:51,778 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:51,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:51,778 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:51,778 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:51,868 INFO L401 nArgumentSynthesizer]: We have 144 Motzkin's Theorem applications. [2021-12-22 19:50:51,868 INFO L402 nArgumentSynthesizer]: A total of 24 supporting invariants were added. [2021-12-22 19:50:52,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:52,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-22 19:50:52,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,376 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-12-22 19:50:52,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-22 19:50:52,378 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 [2021-12-22 19:50:52,384 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:52,384 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:52,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:52,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:52,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:52,384 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:52,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:50:52,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:52,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:52,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-22 19:50:52,402 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-22 19:50:52,402 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-22 19:50:52,402 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-12-22 19:50:52,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:52,403 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 3 times [2021-12-22 19:50:52,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:52,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612063002] [2021-12-22 19:50:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:52,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:52,405 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:52,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631032815] [2021-12-22 19:50:52,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-22 19:50:52,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:52,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,407 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:52,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-12-22 19:50:52,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-22 19:50:52,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:52,430 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:52,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:52,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:52,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 2 times [2021-12-22 19:50:52,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:52,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12828739] [2021-12-22 19:50:52,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:52,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:52,437 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:52,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526914051] [2021-12-22 19:50:52,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-22 19:50:52,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:52,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,440 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:52,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-12-22 19:50:52,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-22 19:50:52,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:52,455 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:52,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:52,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:50:52,459 INFO L85 PathProgramCache]: Analyzing trace with hash 539181342, now seen corresponding path program 4 times [2021-12-22 19:50:52,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:50:52,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610334234] [2021-12-22 19:50:52,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:50:52,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:50:52,467 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 19:50:52,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1132423094] [2021-12-22 19:50:52,467 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-22 19:50:52,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 19:50:52,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,471 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 19:50:52,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-12-22 19:50:52,497 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-22 19:50:52,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-22 19:50:52,498 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:50:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:50:52,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:50:52,600 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:52,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:52,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:52,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:52,600 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 19:50:52,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:52,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:52,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:52,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-22 19:50:52,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:52,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:52,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:52,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:52,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:52,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:52,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:52,930 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 19:50:52,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:52,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,932 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-12-22 19:50:52,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-22 19:50:52,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:52,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:52,940 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 19:50:52,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 19:50:52,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-22 19:50:52,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:52,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,956 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-12-22 19:50:52,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-22 19:50:52,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:52,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:52,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 19:50:52,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 19:50:52,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:52,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:52,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:52,980 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-12-22 19:50:52,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-22 19:50:52,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:52,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:52,989 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 19:50:52,989 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 19:50:53,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-22 19:50:53,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,005 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-12-22 19:50:53,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-22 19:50:53,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 19:50:53,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:53,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-22 19:50:53,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,042 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-12-22 19:50:53,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-22 19:50:53,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 19:50:53,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 19:50:53,058 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 19:50:53,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:53,073 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:50:53,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:50:53,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:50:53,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:50:53,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:50:53,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:50:53,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:50:53,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-t.c_Iteration4_Lasso [2021-12-22 19:50:53,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:50:53,074 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:50:53,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:53,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:53,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:53,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:50:53,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 19:50:53,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 19:50:53,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,607 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2021-12-22 19:50:53,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-22 19:50:53,609 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 [2021-12-22 19:50:53,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:53,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:53,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:53,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:50:53,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:53,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:53,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,633 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2021-12-22 19:50:53,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-22 19:50:53,635 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 [2021-12-22 19:50:53,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:53,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:53,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:53,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:50:53,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:53,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-22 19:50:53,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,658 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2021-12-22 19:50:53,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-22 19:50:53,660 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 [2021-12-22 19:50:53,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:53,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:53,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:53,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 19:50:53,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:53,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-22 19:50:53,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,683 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2021-12-22 19:50:53,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-22 19:50:53,685 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 [2021-12-22 19:50:53,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,691 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:53,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 19:50:53,724 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-22 19:50:53,724 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-22 19:50:53,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-22 19:50:53,844 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-22 19:50:53,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,845 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2021-12-22 19:50:53,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-22 19:50:53,846 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 [2021-12-22 19:50:53,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:53,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:53,853 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:53,854 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:53,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:53,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-22 19:50:53,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,872 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2021-12-22 19:50:53,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-22 19:50:53,873 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 [2021-12-22 19:50:53,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:53,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:53,879 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:53,879 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:53,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:53,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:53,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,897 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2021-12-22 19:50:53,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-22 19:50:53,898 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 [2021-12-22 19:50:53,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:53,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:53,905 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:53,905 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:53,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:53,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:53,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-22 19:50:53,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:53,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:53,922 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2021-12-22 19:50:53,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-22 19:50:53,926 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 [2021-12-22 19:50:53,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:53,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:53,933 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:53,933 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:53,984 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-22 19:50:53,984 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-22 19:50:54,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:54,177 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-22 19:50:54,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,178 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2021-12-22 19:50:54,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-22 19:50:54,179 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 [2021-12-22 19:50:54,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:54,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:54,186 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:54,186 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:54,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:54,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:54,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,203 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2021-12-22 19:50:54,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-22 19:50:54,205 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 [2021-12-22 19:50:54,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:54,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:54,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:54,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:54,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:54,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:54,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,260 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2021-12-22 19:50:54,263 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 [2021-12-22 19:50:54,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:54,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:54,271 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:54,272 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:54,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:54,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-22 19:50:54,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:54,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,308 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2021-12-22 19:50:54,311 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 [2021-12-22 19:50:54,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,320 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:54,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:54,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-22 19:50:54,417 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-22 19:50:54,417 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-22 19:50:54,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-22 19:50:54,733 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-22 19:50:54,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,734 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2021-12-22 19:50:54,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-22 19:50:54,736 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 [2021-12-22 19:50:54,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:54,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:54,742 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:54,743 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:54,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:54,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-22 19:50:54,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,760 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2021-12-22 19:50:54,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-22 19:50:54,762 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 [2021-12-22 19:50:54,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:54,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:54,768 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:54,768 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:54,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:54,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-22 19:50:54,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,787 INFO L229 MonitoredProcess]: Starting monitored process 85 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) [2021-12-22 19:50:54,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-22 19:50:54,788 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 [2021-12-22 19:50:54,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:54,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:54,795 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:54,800 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:54,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:54,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:54,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:54,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:54,817 INFO L229 MonitoredProcess]: Starting monitored process 86 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) [2021-12-22 19:50:54,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-22 19:50:54,820 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 [2021-12-22 19:50:54,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 19:50:54,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:54,827 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:54,827 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:54,905 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-22 19:50:54,905 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-22 19:50:55,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-22 19:50:55,091 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-22 19:50:55,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,092 INFO L229 MonitoredProcess]: Starting monitored process 87 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) [2021-12-22 19:50:55,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-22 19:50:55,095 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 [2021-12-22 19:50:55,101 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,101 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:55,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,101 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:55,101 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:55,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-22 19:50:55,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,119 INFO L229 MonitoredProcess]: Starting monitored process 88 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) [2021-12-22 19:50:55,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-22 19:50:55,121 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 [2021-12-22 19:50:55,126 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,126 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:55,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,127 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:55,127 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:55,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-22 19:50:55,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,144 INFO L229 MonitoredProcess]: Starting monitored process 89 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) [2021-12-22 19:50:55,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-22 19:50:55,146 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 [2021-12-22 19:50:55,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,152 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:55,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:55,153 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-22 19:50:55,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-22 19:50:55,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,170 INFO L229 MonitoredProcess]: Starting monitored process 90 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) [2021-12-22 19:50:55,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-22 19:50:55,172 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 [2021-12-22 19:50:55,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,179 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:55,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,179 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:55,179 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-22 19:50:55,231 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-22 19:50:55,231 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-22 19:50:55,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-22 19:50:55,423 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-22 19:50:55,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,424 INFO L229 MonitoredProcess]: Starting monitored process 91 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) [2021-12-22 19:50:55,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-22 19:50:55,426 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 [2021-12-22 19:50:55,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,432 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:55,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:55,433 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:55,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-22 19:50:55,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,450 INFO L229 MonitoredProcess]: Starting monitored process 92 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) [2021-12-22 19:50:55,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-22 19:50:55,452 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 [2021-12-22 19:50:55,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,459 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:55,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:55,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:55,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:55,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,480 INFO L229 MonitoredProcess]: Starting monitored process 93 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) [2021-12-22 19:50:55,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-22 19:50:55,482 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 [2021-12-22 19:50:55,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,489 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:55,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,489 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:55,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:55,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:55,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,507 INFO L229 MonitoredProcess]: Starting monitored process 94 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) [2021-12-22 19:50:55,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-22 19:50:55,509 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 [2021-12-22 19:50:55,516 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,516 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-22 19:50:55,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,516 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:55,516 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:55,577 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-22 19:50:55,577 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-22 19:50:55,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-22 19:50:55,817 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-22 19:50:55,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,818 INFO L229 MonitoredProcess]: Starting monitored process 95 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) [2021-12-22 19:50:55,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-22 19:50:55,821 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 [2021-12-22 19:50:55,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,827 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:55,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,828 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:55,828 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:55,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-22 19:50:55,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,847 INFO L229 MonitoredProcess]: Starting monitored process 96 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) [2021-12-22 19:50:55,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-22 19:50:55,849 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 [2021-12-22 19:50:55,855 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,855 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:55,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,855 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:55,856 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:55,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-22 19:50:55,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,874 INFO L229 MonitoredProcess]: Starting monitored process 97 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) [2021-12-22 19:50:55,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-22 19:50:55,876 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 [2021-12-22 19:50:55,882 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,882 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:55,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:55,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:55,882 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:55,883 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-22 19:50:55,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:55,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:55,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-22 19:50:55,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:55,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:55,901 INFO L229 MonitoredProcess]: Starting monitored process 98 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) [2021-12-22 19:50:55,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-22 19:50:55,904 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 [2021-12-22 19:50:55,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:55,911 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:55,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:55,911 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:55,911 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-22 19:50:55,987 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-12-22 19:50:55,987 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-12-22 19:50:57,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:57,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-22 19:50:57,911 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-22 19:50:57,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:57,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:57,912 INFO L229 MonitoredProcess]: Starting monitored process 99 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) [2021-12-22 19:50:57,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-22 19:50:57,914 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 [2021-12-22 19:50:57,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:57,922 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:57,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:57,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:57,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:57,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:57,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:57,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:57,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:57,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-22 19:50:57,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:57,943 INFO L229 MonitoredProcess]: Starting monitored process 100 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) [2021-12-22 19:50:57,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-22 19:50:57,944 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 [2021-12-22 19:50:57,950 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:57,950 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:57,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:57,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:57,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:57,951 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:57,951 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:57,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:57,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:57,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:57,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:57,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:57,970 INFO L229 MonitoredProcess]: Starting monitored process 101 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) [2021-12-22 19:50:57,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-22 19:50:57,972 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 [2021-12-22 19:50:57,978 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:57,978 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:57,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:57,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:57,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:57,978 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:57,978 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-22 19:50:57,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:57,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:57,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-22 19:50:57,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:57,996 INFO L229 MonitoredProcess]: Starting monitored process 102 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) [2021-12-22 19:50:58,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-22 19:50:58,019 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 [2021-12-22 19:50:58,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:58,026 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-22 19:50:58,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:58,027 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:58,027 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-22 19:50:58,080 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-22 19:50:58,080 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-12-22 19:50:58,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:58,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-22 19:50:58,272 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-22 19:50:58,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:58,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:58,273 INFO L229 MonitoredProcess]: Starting monitored process 103 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) [2021-12-22 19:50:58,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-22 19:50:58,275 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 [2021-12-22 19:50:58,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:58,281 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:58,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:58,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:58,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:58,281 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:58,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:50:58,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:58,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:58,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:58,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:58,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:58,300 INFO L229 MonitoredProcess]: Starting monitored process 104 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) [2021-12-22 19:50:58,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-22 19:50:58,301 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 [2021-12-22 19:50:58,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:58,309 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:58,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:58,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:58,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:58,309 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:58,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:50:58,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:58,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:58,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:58,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:58,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:58,350 INFO L229 MonitoredProcess]: Starting monitored process 105 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) [2021-12-22 19:50:58,355 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 [2021-12-22 19:50:58,363 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:58,363 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:58,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 19:50:58,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:58,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 19:50:58,363 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:58,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 19:50:58,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 19:50:58,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-22 19:50:58,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:58,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:58,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:50:58,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:50:58,399 INFO L229 MonitoredProcess]: Starting monitored process 106 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) [2021-12-22 19:50:58,404 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 [2021-12-22 19:50:58,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-22 19:50:58,412 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-22 19:50:58,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 19:50:58,412 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-22 19:50:58,412 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-22 19:50:58,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-22 19:50:58,493 INFO L401 nArgumentSynthesizer]: We have 144 Motzkin's Theorem applications. [2021-12-22 19:50:58,493 INFO L402 nArgumentSynthesizer]: A total of 24 supporting invariants were added. [2021-12-22 19:50:58,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 19:50:58,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:58,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 07:50:58 BoogieIcfgContainer [2021-12-22 19:50:58,826 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 19:50:58,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 19:50:58,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 19:50:58,827 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 19:50:58,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:50:41" (3/4) ... [2021-12-22 19:50:58,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 19:50:58,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 19:50:58,829 INFO L158 Benchmark]: Toolchain (without parser) took 17739.11ms. Allocated memory was 96.5MB in the beginning and 207.6MB in the end (delta: 111.1MB). Free memory was 67.1MB in the beginning and 138.3MB in the end (delta: -71.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-12-22 19:50:58,830 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:50:58,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.72ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 74.7MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 19:50:58,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 96.5MB. Free memory was 74.7MB in the beginning and 73.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:50:58,830 INFO L158 Benchmark]: Boogie Preprocessor took 17.48ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 72.3MB in the end (delta: 995.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:50:58,830 INFO L158 Benchmark]: RCFGBuilder took 215.68ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 64.2MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-22 19:50:58,831 INFO L158 Benchmark]: BuchiAutomizer took 17289.36ms. Allocated memory was 96.5MB in the beginning and 207.6MB in the end (delta: 111.1MB). Free memory was 63.9MB in the beginning and 138.3MB in the end (delta: -74.4MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2021-12-22 19:50:58,831 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 207.6MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:50:58,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.72ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 74.7MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 96.5MB. Free memory was 74.7MB in the beginning and 73.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.48ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 72.3MB in the end (delta: 995.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 215.68ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 64.2MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 17289.36ms. Allocated memory was 96.5MB in the beginning and 207.6MB in the end (delta: 111.1MB). Free memory was 63.9MB in the beginning and 138.3MB in the end (delta: -74.4MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 207.6MB. Free memory is still 138.3MB. There was no memory consumed. 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 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function 4 * y + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. The remainder module has 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 16.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 2. Nontrivial modules had stage [1, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 56 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital53 mio100 ax100 hnf100 lsp103 ukn96 mio100 lsp100 div270 bol100 ite100 ukn100 eq145 hnf96 smp53 dnf269 smp83 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 403ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 24 MotzkinApplications: 144 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0;" "assume !false;" "assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" Loop: "assume !!(0 != main_~y~0#1 + main_~z~0#1 + main_~x~0#1 * main_~y~0#1 - main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-12-22 19:50:58,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:59,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-12-22 19:50:59,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-12-22 19:50:59,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-12-22 19:50:59,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-12-22 19:50:59,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-22 19:51:00,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-22 19:51:00,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-22 19:51:00,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-22 19:51:00,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-22 19:51:00,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-22 19:51:01,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 19:51:01,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 19:51:01,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- 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*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN