./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 26d01a9c 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/dijkstra5-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f61fb8f4c16751b4572a5141e10799cbf0e2e1fd0bdc6a28bbe6997c3db7d73c --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:18:03,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:18:03,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:18:03,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:18:03,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:18:03,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:18:03,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:18:03,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:18:03,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:18:03,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:18:03,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:18:03,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:18:03,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:18:03,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:18:03,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:18:03,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:18:03,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:18:03,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:18:03,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:18:03,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:18:03,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:18:03,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:18:03,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:18:03,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:18:03,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:18:03,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:18:03,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:18:03,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:18:03,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:18:03,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:18:03,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:18:03,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:18:03,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:18:03,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:18:03,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:18:03,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:18:03,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:18:03,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:18:03,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:18:03,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:18:03,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:18:03,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 04:18:03,293 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:18:03,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:18:03,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:18:03,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:18:03,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:18:03,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:18:03,295 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:18:03,296 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 04:18:03,296 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 04:18:03,296 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 04:18:03,297 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 04:18:03,297 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 04:18:03,297 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 04:18:03,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:18:03,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:18:03,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:18:03,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:18:03,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 04:18:03,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 04:18:03,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 04:18:03,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:18:03,299 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 04:18:03,299 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:18:03,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 04:18:03,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:18:03,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:18:03,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:18:03,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:18:03,301 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 04:18:03,302 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f61fb8f4c16751b4572a5141e10799cbf0e2e1fd0bdc6a28bbe6997c3db7d73c [2023-02-17 04:18:03,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:18:03,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:18:03,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:18:03,600 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:18:03,600 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:18:03,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c [2023-02-17 04:18:04,712 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:18:04,942 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:18:04,943 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra5-both-t.c [2023-02-17 04:18:04,948 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25abb5803/29961eee65234dba9ea333f6e16cc27d/FLAGb9bbff96e [2023-02-17 04:18:04,961 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25abb5803/29961eee65234dba9ea333f6e16cc27d [2023-02-17 04:18:04,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:18:04,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:18:04,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:18:04,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:18:04,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:18:04,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:18:04" (1/1) ... [2023-02-17 04:18:04,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a36fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:04, skipping insertion in model container [2023-02-17 04:18:04,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:18:04" (1/1) ... [2023-02-17 04:18:04,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:18:04,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:18:05,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:18:05,107 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:18:05,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:18:05,129 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:18:05,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05 WrapperNode [2023-02-17 04:18:05,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:18:05,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:18:05,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:18:05,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:18:05,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,159 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-17 04:18:05,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:18:05,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:18:05,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:18:05,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:18:05,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:18:05,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:18:05,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:18:05,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:18:05,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:05,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:05,204 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) [2023-02-17 04:18:05,206 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 [2023-02-17 04:18:05,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:18:05,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:18:05,280 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:18:05,282 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:18:05,419 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:18:05,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:18:05,426 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-17 04:18:05,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:18:05 BoogieIcfgContainer [2023-02-17 04:18:05,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:18:05,441 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 04:18:05,442 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 04:18:05,445 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 04:18:05,446 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:05,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 04:18:04" (1/3) ... [2023-02-17 04:18:05,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c14b498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:18:05, skipping insertion in model container [2023-02-17 04:18:05,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:05,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05" (2/3) ... [2023-02-17 04:18:05,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c14b498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:18:05, skipping insertion in model container [2023-02-17 04:18:05,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:05,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:18:05" (3/3) ... [2023-02-17 04:18:05,449 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra5-both-t.c [2023-02-17 04:18:05,535 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 04:18:05,535 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 04:18:05,535 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 04:18:05,535 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 04:18:05,535 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 04:18:05,536 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 04:18:05,536 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 04:18:05,536 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 04:18:05,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:18:05,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-17 04:18:05,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:05,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:05,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:18:05,584 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:18:05,584 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 04:18:05,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:18:05,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-17 04:18:05,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:05,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:05,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:18:05,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:18:05,592 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-17 04:18:05,594 INFO L750 eck$LassoCheckResult]: Loop: 10#L33-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 10#L33-2true [2023-02-17 04:18:05,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:05,602 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-17 04:18:05,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:05,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733427980] [2023-02-17 04:18:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:05,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:05,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:05,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:05,719 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-17 04:18:05,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:05,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086487260] [2023-02-17 04:18:05,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:05,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:05,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:05,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-17 04:18:05,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:05,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373144676] [2023-02-17 04:18:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:05,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:05,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:05,814 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:05,815 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:05,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:05,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:05,819 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:18:05,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:05,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:05,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:05,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration1_Lasso [2023-02-17 04:18:05,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:05,820 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:05,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:05,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:05,893 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:18:05,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:05,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:05,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-17 04:18:05,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:05,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:05,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:05,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:05,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:05,933 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:05,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-17 04:18:05,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:18:05,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:18,081 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-17 04:18:18,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-17 04:18:18,104 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:18,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:18,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:18,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:18,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:18:18,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:18,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:18,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration1_Lasso [2023-02-17 04:18:18,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:18,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:18,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:18,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:18:18,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,157 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) [2023-02-17 04:18:18,172 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 [2023-02-17 04:18:18,174 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 [2023-02-17 04:18:18,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:18,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:18,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:18,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:18,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:18:18,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:18:18,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 04:18:18,228 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-17 04:18:18,228 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-17 04:18:18,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,296 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) [2023-02-17 04:18:18,301 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 04:18:18,302 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 [2023-02-17 04:18:18,311 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-17 04:18:18,312 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 04:18:18,313 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0#1, ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~q~0#1 + 2*ULTIMATE.start_main_~n~0#1 + 3 Supporting invariants [1*ULTIMATE.start_main_~q~0#1 - 1 >= 0] [2023-02-17 04:18:18,317 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 [2023-02-17 04:18:18,322 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-17 04:18:18,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:18,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 04:18:18,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:18:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:18,386 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 04:18:18,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:18:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:18:18,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-17 04:18:18,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-02-17 04:18:18,466 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 32 states and 42 transitions. Complement of second has 6 states. [2023-02-17 04:18:18,469 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 [2023-02-17 04:18:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-02-17 04:18:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-17 04:18:18,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-17 04:18:18,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:18,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-17 04:18:18,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:18,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-17 04:18:18,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:18,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-17 04:18:18,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:18:18,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-17 04:18:18,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-17 04:18:18,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-17 04:18:18,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-17 04:18:18,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 04:18:18,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 04:18:18,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-17 04:18:18,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-17 04:18:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2023-02-17 04:18:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-17 04:18:18,505 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 04:18:18,505 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 04:18:18,506 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 04:18:18,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-17 04:18:18,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:18:18,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:18,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:18,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-17 04:18:18,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-17 04:18:18,507 INFO L748 eck$LassoCheckResult]: Stem: 92#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 93#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_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 90#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 91#L33-2 assume !(main_~q~0#1 <= main_~n~0#1); 89#L40-1 [2023-02-17 04:18:18,507 INFO L750 eck$LassoCheckResult]: Loop: 89#L40-1 assume !!(main_~h~0#1 * main_~h~0#1 * main_~p~0#1 - 4 * main_~h~0#1 * main_~n~0#1 * main_~q~0#1 + 4 * main_~n~0#1 * main_~p~0#1 * main_~q~0#1 - main_~p~0#1 * main_~q~0#1 * main_~q~0#1 + 4 * main_~h~0#1 * main_~q~0#1 * main_~r~0#1 - 4 * main_~p~0#1 * main_~q~0#1 * main_~r~0#1 + main_~c~0#1 <= main_~k~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 87#L54 assume !(main_~r~0#1 >= main_~h~0#1); 88#L54-2 main_#t~post2#1 := main_~c~0#1;main_~c~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 89#L40-1 [2023-02-17 04:18:18,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:18,508 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-17 04:18:18,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:18,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827849462] [2023-02-17 04:18:18,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:18,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:18,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:18,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:18,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:18,527 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-17 04:18:18,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:18,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101456087] [2023-02-17 04:18:18,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:18,534 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 04:18:18,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986757562] [2023-02-17 04:18:18,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:18,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:18:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:18:18,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 04:18:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:18,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:18,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:18,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:18,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-17 04:18:18,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:18,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843521199] [2023-02-17 04:18:18,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:18,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:18,581 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 04:18:18,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138114006] [2023-02-17 04:18:18,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:18,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:18:18,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 04:18:18,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 04:18:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:18,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:18,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:18,645 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:18,646 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:18,646 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:18,646 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:18,646 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:18:18,646 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,650 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:18,650 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:18,650 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration2_Loop [2023-02-17 04:18:18,650 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:18,650 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:18,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:18,681 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:18:18,879 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 [2023-02-17 04:18:18,932 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:18,932 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:18:18,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:18,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-17 04:18:18,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:18,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:18,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 04:18:18,962 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-17 04:18:18,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:18,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,972 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:18,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:18,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:18,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-17 04:18:20,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:20,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:20,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:20,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:20,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-17 04:18:20,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:18:20,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:22,743 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:18:22,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:22,763 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:22,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:22,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:22,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:22,763 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:18:22,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:22,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:22,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:22,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration2_Loop [2023-02-17 04:18:22,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:22,764 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:22,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:22,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 04:18:22,774 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:18:23,129 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:23,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:18:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:23,132 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) [2023-02-17 04:18:23,134 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 [2023-02-17 04:18:23,136 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 [2023-02-17 04:18:23,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:23,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:23,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:23,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:23,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:23,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:18:23,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:23,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:23,166 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 [2023-02-17 04:18:23,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:23,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:23,168 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) [2023-02-17 04:18:23,175 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 [2023-02-17 04:18:23,207 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 [2023-02-17 04:18:23,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:23,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:23,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:23,216 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:23,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:24,588 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-17 04:18:24,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:27,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:27,144 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 [2023-02-17 04:18:27,145 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 04:18:27,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:27,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:27,147 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) [2023-02-17 04:18:27,148 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 [2023-02-17 04:18:27,150 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 [2023-02-17 04:18:27,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:27,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:27,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:27,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:27,157 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:27,157 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-17 04:18:27,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:27,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:27,197 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 [2023-02-17 04:18:27,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:27,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:27,199 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) [2023-02-17 04:18:27,212 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 [2023-02-17 04:18:27,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:27,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:27,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:27,222 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:27,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:27,233 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 [2023-02-17 04:18:28,947 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:18:28,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:33,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:33,359 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 [2023-02-17 04:18:33,360 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 04:18:33,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:33,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:33,361 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:33,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-17 04:18:33,364 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 [2023-02-17 04:18:33,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:33,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:33,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:33,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:33,371 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:18:33,371 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 04:18:33,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:33,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:33,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:33,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:33,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:33,379 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:33,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-17 04:18:33,385 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 [2023-02-17 04:18:33,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:33,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:33,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:33,392 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:33,392 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:18:35,519 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:18:35,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:43,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:43,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-17 04:18:43,127 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 04:18:43,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:43,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:43,128 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:18:43,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-17 04:18:43,133 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 [2023-02-17 04:18:43,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:43,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:43,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:43,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:43,139 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:18:43,140 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-17 04:18:43,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:43,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:43,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:43,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:43,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:43,148 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) [2023-02-17 04:18:43,149 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 [2023-02-17 04:18:43,151 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 [2023-02-17 04:18:43,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:43,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:43,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:43,158 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:43,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:18:45,813 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:18:45,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:58,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:58,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-17 04:18:58,813 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 04:18:58,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:58,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:58,815 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) [2023-02-17 04:18:58,816 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 [2023-02-17 04:18:58,822 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 [2023-02-17 04:18:58,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:18:58,828 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:18:58,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:58,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:58,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:58,828 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:58,828 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-17 04:18:58,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:58,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:58,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:58,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:58,834 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) [2023-02-17 04:18:58,836 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 [2023-02-17 04:18:58,837 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 [2023-02-17 04:18:58,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:18:58,844 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:18:58,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:58,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:58,845 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:58,845 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:19:00,552 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:19:00,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:10,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:10,343 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 [2023-02-17 04:19:10,344 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 04:19:10,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:10,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:10,345 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) [2023-02-17 04:19:10,346 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 [2023-02-17 04:19:10,349 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 [2023-02-17 04:19:10,357 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:10,358 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 04:19:10,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:10,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:19:10,358 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:19:10,358 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 04:19:10,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:10,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:10,364 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 [2023-02-17 04:19:10,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:10,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:10,366 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:19:10,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-17 04:19:10,370 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 [2023-02-17 04:19:10,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:10,378 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 04:19:10,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:10,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:10,378 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:19:10,378 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:19:12,641 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:19:12,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:43,914 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:19:44,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-17 04:19:44,045 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 04:19:44,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:44,047 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 04:19:44,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-17 04:19:44,056 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 [2023-02-17 04:19:44,063 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:44,063 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:19:44,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:44,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:44,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:19:44,063 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:19:44,064 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-17 04:19:44,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:44,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:44,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-17 04:19:44,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:44,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:44,075 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) [2023-02-17 04:19:44,076 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 [2023-02-17 04:19:44,079 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 [2023-02-17 04:19:44,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:44,087 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:19:44,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:44,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:44,088 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:19:44,088 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:19:47,421 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:19:47,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:45,519 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:21:45,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-17 04:21:45,699 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-17 04:21:45,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:45,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:45,701 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) [2023-02-17 04:21:45,702 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 [2023-02-17 04:21:45,708 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 [2023-02-17 04:21:45,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:21:45,715 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:21:45,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:45,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:45,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:21:45,716 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:21:45,716 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 04:21:45,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:45,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:45,722 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 [2023-02-17 04:21:45,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:45,724 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) [2023-02-17 04:21:45,726 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 [2023-02-17 04:21:45,727 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 [2023-02-17 04:21:45,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:21:45,735 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:21:45,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:45,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:45,735 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:45,735 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:21:47,787 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:21:47,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:59,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:59,280 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 [2023-02-17 04:21:59,280 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-17 04:21:59,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:59,281 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) [2023-02-17 04:21:59,282 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 [2023-02-17 04:21:59,288 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 [2023-02-17 04:21:59,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:21:59,295 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:21:59,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:59,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:59,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:21:59,295 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 04:21:59,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:21:59,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:21:59,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:21:59,305 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 [2023-02-17 04:21:59,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:21:59,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:21:59,306 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) [2023-02-17 04:21:59,308 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 [2023-02-17 04:21:59,310 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 [2023-02-17 04:21:59,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:21:59,318 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:21:59,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:21:59,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:21:59,318 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:21:59,318 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 04:22:02,568 INFO L401 nArgumentSynthesizer]: We have 2400 Motzkin's Theorem applications. [2023-02-17 04:22:02,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.