./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra4-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/dijkstra4-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 d6276999372dd81af9dba804e1edaa146f8cf96ce282fce5c5925bd91f459aa6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:18:03,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:18:03,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:18:03,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:18:03,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:18:03,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:18:03,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:18:03,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:18:03,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:18:03,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:18:03,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:18:03,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:18:03,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:18:03,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:18:03,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:18:03,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:18:03,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:18:03,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:18:03,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:18:03,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:18:03,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:18:03,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:18:03,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:18:03,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:18:03,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:18:03,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:18:03,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:18:03,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:18:03,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:18:03,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:18:03,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:18:03,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:18:03,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:18:03,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:18:03,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:18:03,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:18:03,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:18:03,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:18:03,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:18:03,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:18:03,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:18:03,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 04:18:03,392 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:18:03,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:18:03,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:18:03,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:18:03,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:18:03,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:18:03,394 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:18:03,394 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 04:18:03,408 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 04:18:03,409 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 04:18:03,410 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 04:18:03,410 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 04:18:03,410 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 04:18:03,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:18:03,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:18:03,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:18:03,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:18:03,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 04:18:03,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 04:18:03,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 04:18:03,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:18:03,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 04:18:03,412 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:18:03,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 04:18:03,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:18:03,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:18:03,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:18:03,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:18:03,414 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 04:18:03,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6276999372dd81af9dba804e1edaa146f8cf96ce282fce5c5925bd91f459aa6 [2023-02-17 04:18:03,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:18:03,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:18:03,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:18:03,708 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:18:03,708 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:18:03,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra4-both-t.c [2023-02-17 04:18:04,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:18:05,003 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:18:05,003 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra4-both-t.c [2023-02-17 04:18:05,009 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612fb6781/c4e7fff457654c31a66a9eb93e87c1d5/FLAG224b149fb [2023-02-17 04:18:05,023 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612fb6781/c4e7fff457654c31a66a9eb93e87c1d5 [2023-02-17 04:18:05,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:18:05,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:18:05,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:18:05,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:18:05,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:18:05,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7990decd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05, skipping insertion in model container [2023-02-17 04:18:05,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:18:05" (1/1) ... [2023-02-17 04:18:05,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:18:05,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:18:05,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:18:05,174 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:18:05,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:18:05,200 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:18:05,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:18:05 WrapperNode [2023-02-17 04:18:05,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:18:05,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:18:05,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:18:05,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:18:05,206 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 04:18:05,210 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 04:18:05,221 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-17 04:18:05,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:18:05,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:18:05,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:18:05,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:18:05,228 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 04:18:05,228 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 04:18:05,229 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 04:18:05,230 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 04:18:05,235 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 04:18:05,239 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 04:18:05,239 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 04:18:05,240 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 04:18:05,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:18:05,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:18:05,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:18:05,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:18:05,245 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 04:18:05,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:05,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:05,272 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 04:18:05,288 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 04:18:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:18:05,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:18:05,340 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:18:05,342 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:18:17,502 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:18:17,506 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:18:17,507 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-17 04:18:17,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:18:17 BoogieIcfgContainer [2023-02-17 04:18:17,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:18:17,513 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 04:18:17,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 04:18:17,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 04:18:17,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:17,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 04:18:05" (1/3) ... [2023-02-17 04:18:17,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33f3d771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:18:17, skipping insertion in model container [2023-02-17 04:18:17,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:17,533 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 04:18:17,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33f3d771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 04:18:17, skipping insertion in model container [2023-02-17 04:18:17,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 04:18:17,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:18:17" (3/3) ... [2023-02-17 04:18:17,534 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra4-both-t.c [2023-02-17 04:18:17,603 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 04:18:17,603 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 04:18:17,603 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 04:18:17,603 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 04:18:17,603 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 04:18:17,603 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 04:18:17,604 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 04:18:17,604 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 04:18:17,609 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 04:18:17,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-17 04:18:17,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:17,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:17,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:18:17,645 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:18:17,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 04:18:17,645 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 04:18:17,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-17 04:18:17,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:17,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:17,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 04:18:17,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 04:18:17,657 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-17 04:18:17,658 INFO L750 eck$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 04:18:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:17,662 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-17 04:18:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:17,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316909353] [2023-02-17 04:18:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:17,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:17,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:17,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-17 04:18:17,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:17,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302422648] [2023-02-17 04:18:17,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:17,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:17,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:17,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:17,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:17,813 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-17 04:18:17,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:17,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115391036] [2023-02-17 04:18:17,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:17,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:17,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:17,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:17,917 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:17,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:17,918 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:17,918 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:17,918 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:18:17,919 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:17,919 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:17,919 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:17,919 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration1_Lasso [2023-02-17 04:18:17,919 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:17,919 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:17,932 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 04:18:17,949 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 04:18:17,966 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 04:18:17,969 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 04:18:17,970 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 04:18:17,971 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 04:18:17,972 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 04:18:17,974 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 04:18:17,978 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 04:18:17,993 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:18,009 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:18:18,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,014 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 04:18:18,022 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 04:18:18,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:18,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:18,058 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 04:18:18,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:18,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:18,061 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 04:18:18,065 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 04:18:18,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:18:18,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:31,201 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-17 04:18:31,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:31,237 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:31,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:31,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:31,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:31,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:18:31,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:31,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:31,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:31,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration1_Lasso [2023-02-17 04:18:31,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:31,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:31,239 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 04:18:31,246 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 04:18:31,253 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 04:18:31,254 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 04:18:31,255 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 04:18:31,256 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 04:18:31,257 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 04:18:31,258 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 04:18:31,259 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 04:18:31,265 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:31,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:18:31,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:31,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:31,270 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 04:18:31,272 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 04:18:31,274 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 04:18:31,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:31,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:31,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:31,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:31,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:18:31,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 04:18:31,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 04:18:31,319 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-17 04:18:31,320 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-17 04:18:31,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:31,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:31,367 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 04:18:31,368 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 04:18:31,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 04:18:31,383 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-17 04:18:31,384 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 04:18:31,384 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 04:18:31,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-17 04:18:31,393 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-17 04:18:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:31,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 04:18:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:18:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:18:31,471 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 04:18:31,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 04:18:31,472 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 04:18:31,502 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 04:18:31,503 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 04:18:31,592 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 04:18:31,635 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 04:18:31,638 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 04:18:31,641 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 04:18:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-17 04:18:31,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-17 04:18:31,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:31,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-17 04:18:31,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:31,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-17 04:18:31,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 04:18:31,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-17 04:18:31,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:18:31,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-17 04:18:31,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-17 04:18:31,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-17 04:18:31,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-17 04:18:31,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 04:18:31,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 04:18:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-17 04:18:31,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-17 04:18:31,683 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 04:18:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-17 04:18:31,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 04:18:31,685 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 04:18:31,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 04:18:31,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-17 04:18:31,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 04:18:31,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 04:18:31,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 04:18:31,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-17 04:18:31,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-17 04:18:31,688 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 04:18:31,688 INFO L750 eck$LassoCheckResult]: Loop: 89#L40-1 assume !!(main_~h~0#1 * main_~h~0#1 * main_~n~0#1 - 4 * main_~h~0#1 * main_~n~0#1 * main_~p~0#1 + 4 * (main_~n~0#1 * main_~n~0#1) * main_~q~0#1 - main_~n~0#1 * main_~q~0#1 * main_~q~0#1 - main_~h~0#1 * main_~h~0#1 * main_~r~0#1 + 4 * main_~h~0#1 * main_~p~0#1 * main_~r~0#1 - 8 * main_~n~0#1 * main_~q~0#1 * main_~r~0#1 + main_~q~0#1 * main_~q~0#1 * main_~r~0#1 + 4 * main_~q~0#1 * main_~r~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 04:18:31,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:31,689 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-17 04:18:31,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:31,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827131902] [2023-02-17 04:18:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:31,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:31,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:31,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-17 04:18:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:31,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44984882] [2023-02-17 04:18:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:31,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:31,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 04:18:31,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213073130] [2023-02-17 04:18:31,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:31,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:18:31,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:31,761 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 04:18:31,763 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 04:18:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:31,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:31,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:31,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:18:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-17 04:18:31,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:18:31,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808320285] [2023-02-17 04:18:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:31,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:18:31,798 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 04:18:31,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261667928] [2023-02-17 04:18:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:18:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 04:18:31,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:31,801 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 04:18:31,803 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 04:18:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:31,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:18:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:18:31,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:18:31,847 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:31,847 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:31,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:31,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:31,847 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 04:18:31,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:31,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:31,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:31,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration2_Loop [2023-02-17 04:18:31,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:31,848 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:31,850 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 04:18:31,852 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 04:18:31,859 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:18:32,081 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:32,081 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 04:18:32,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:32,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:32,084 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 04:18:32,086 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 04:18:32,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:32,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:32,112 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 04:18:32,112 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 04:18:32,116 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 04:18:32,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:32,118 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 04:18:32,120 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 04:18:32,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 04:18:32,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:32,906 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 04:18:32,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:32,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:32,907 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 04:18:32,931 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 04:18:32,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 04:18:32,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 04:18:35,219 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 04:18:35,240 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 04:18:35,240 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 04:18:35,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 04:18:35,240 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 04:18:35,240 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 04:18:35,240 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 04:18:35,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:35,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 04:18:35,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 04:18:35,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration2_Loop [2023-02-17 04:18:35,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 04:18:35,240 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 04:18:35,242 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 04:18:35,252 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 04:18:35,257 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 04:18:35,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 04:18:35,317 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 04:18:35,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:35,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:35,333 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 04:18:35,334 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 04:18:35,338 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 04:18:35,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:35,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:35,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:35,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:35,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:35,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 04:18:35,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:35,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:35,379 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 04:18:35,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:35,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:35,395 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 04:18:35,418 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 04:18:35,418 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 04:18:35,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:35,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:35,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:35,426 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:35,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 04:18:36,717 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-17 04:18:36,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:39,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:39,091 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 04:18:39,091 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 04:18:39,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:39,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:39,093 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 04:18:39,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:39,130 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 04:18:39,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:39,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:39,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:39,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:39,137 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:39,138 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-17 04:18:39,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:39,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:39,143 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 04:18:39,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:39,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:39,146 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 04:18:39,148 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 04:18:39,150 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 04:18:39,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:39,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:39,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:39,157 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:39,157 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:18:40,636 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:18:40,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:45,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:45,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-17 04:18:45,388 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 04:18:45,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:45,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:45,390 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 04:18:45,393 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 04:18:45,395 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 04:18:45,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:45,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:45,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:45,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:45,402 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:18:45,402 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 04:18:45,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:45,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:45,410 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 04:18:45,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:45,411 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 04:18:45,413 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 04:18:45,416 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 04:18:45,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:45,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:45,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:45,426 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:45,426 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:18:47,356 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:18:47,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:55,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:55,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-17 04:18:55,140 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 04:18:55,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:55,142 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 04:18:55,145 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 04:18:55,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:18:55,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:55,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:55,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:55,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:18:55,154 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:18:55,155 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-17 04:18:55,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:18:55,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:18:55,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-17 04:18:55,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:18:55,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:18:55,165 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 04:18:55,176 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 04:18:55,184 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 04:18:55,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 04:18:55,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:18:55,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:18:55,185 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:18:55,185 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:18:57,773 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:18:57,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:12,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:12,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-17 04:19:12,742 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 04:19:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:12,743 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 04:19:12,745 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 04:19:12,750 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 04:19:12,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:12,757 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:19:12,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:12,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:12,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:19:12,757 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:19:12,758 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-17 04:19:12,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:12,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:12,762 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 04:19:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:12,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:12,764 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 04:19:12,767 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 04:19:12,768 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 04:19:12,775 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:12,775 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:19:12,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:12,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:12,775 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:19:12,775 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 04:19:14,234 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-17 04:19:14,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:28,502 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:19:28,601 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 04:19:28,602 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 04:19:28,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:28,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:28,603 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 04:19:28,605 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 04:19:28,611 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 04:19:28,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:28,619 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 04:19:28,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:28,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:28,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:19:28,620 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:19:28,621 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 04:19:28,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:19:28,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:19:28,641 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 04:19:28,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:19:28,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:19:28,642 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 04:19:28,644 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 04:19:28,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:19:28,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:19:28,668 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 04:19:28,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:19:28,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:19:28,668 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:19:28,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:19:31,026 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:19:31,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:20:06,211 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:20:06,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-17 04:20:06,337 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 04:20:06,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:20:06,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:20:06,339 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 04:20:06,341 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 04:20:06,346 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 04:20:06,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:20:06,353 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:20:06,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:20:06,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:20:06,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:20:06,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:20:06,354 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-17 04:20:06,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:20:06,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:20:06,372 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 04:20:06,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:20:06,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:20:06,374 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 04:20:06,375 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 04:20:06,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:20:06,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:20:06,385 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:20:06,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:20:06,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:20:06,385 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:20:06,385 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 04:20:09,031 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-17 04:20:09,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:22:07,088 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 04:22:07,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-17 04:22:07,261 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-17 04:22:07,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:22:07,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:22:07,262 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 04:22:07,264 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 04:22:07,268 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 04:22:07,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:22:07,276 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:22:07,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:22:07,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:22:07,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:22:07,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:22:07,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 04:22:07,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:22:07,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:22:07,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-17 04:22:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:22:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:22:07,284 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 04:22:07,286 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 04:22:07,287 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 04:22:07,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:22:07,294 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 04:22:07,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:22:07,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:22:07,294 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:22:07,294 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 04:22:09,159 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-17 04:22:09,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:22:19,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:22:19,667 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 04:22:19,667 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-17 04:22:19,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:22:19,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:22:19,669 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 04:22:19,670 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 04:22:19,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 04:22:19,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:22:19,684 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:22:19,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:22:19,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:22:19,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 04:22:19,684 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 04:22:19,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 04:22:19,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 04:22:19,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 04:22:19,691 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 04:22:19,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 04:22:19,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:22:19,692 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 04:22:19,694 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 04:22:19,696 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 04:22:19,703 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 04:22:19,704 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 04:22:19,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 04:22:19,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 04:22:19,704 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-17 04:22:19,704 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 04:22:22,383 INFO L401 nArgumentSynthesizer]: We have 2400 Motzkin's Theorem applications. [2023-02-17 04:22:22,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.