./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 [2023-02-18 09:01:15,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 09:01:15,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 09:01:15,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 09:01:15,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 09:01:15,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 09:01:15,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 09:01:15,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 09:01:15,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 09:01:15,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 09:01:15,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 09:01:15,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 09:01:15,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 09:01:15,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 09:01:15,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 09:01:15,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 09:01:15,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 09:01:15,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 09:01:15,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 09:01:15,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 09:01:15,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 09:01:15,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 09:01:15,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 09:01:15,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 09:01:15,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 09:01:15,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 09:01:15,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 09:01:15,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 09:01:15,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 09:01:15,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 09:01:15,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 09:01:15,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 09:01:15,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 09:01:15,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 09:01:15,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 09:01:15,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 09:01:15,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 09:01:15,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 09:01:15,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 09:01:15,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 09:01:15,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 09:01:15,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-18 09:01:15,894 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 09:01:15,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 09:01:15,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 09:01:15,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 09:01:15,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 09:01:15,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 09:01:15,896 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 09:01:15,896 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-18 09:01:15,896 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-18 09:01:15,897 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-18 09:01:15,897 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-18 09:01:15,897 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-18 09:01:15,897 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-18 09:01:15,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 09:01:15,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 09:01:15,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 09:01:15,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 09:01:15,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-18 09:01:15,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-18 09:01:15,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-18 09:01:15,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 09:01:15,899 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-18 09:01:15,899 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 09:01:15,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-18 09:01:15,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 09:01:15,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 09:01:15,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 09:01:15,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 09:01:15,900 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-18 09:01:15,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6276999372dd81af9dba804e1edaa146f8cf96ce282fce5c5925bd91f459aa6 [2023-02-18 09:01:16,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 09:01:16,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 09:01:16,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 09:01:16,094 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 09:01:16,094 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 09:01:16,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra4-both-t.c [2023-02-18 09:01:17,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 09:01:17,202 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 09:01:17,203 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra4-both-t.c [2023-02-18 09:01:17,207 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276476a8a/7c999a7750f549ac90a5f5ac21f838cf/FLAG0e6631d51 [2023-02-18 09:01:17,221 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276476a8a/7c999a7750f549ac90a5f5ac21f838cf [2023-02-18 09:01:17,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 09:01:17,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 09:01:17,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 09:01:17,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 09:01:17,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 09:01:17,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b96adce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17, skipping insertion in model container [2023-02-18 09:01:17,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 09:01:17,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 09:01:17,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 09:01:17,366 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 09:01:17,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 09:01:17,391 INFO L208 MainTranslator]: Completed translation [2023-02-18 09:01:17,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17 WrapperNode [2023-02-18 09:01:17,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 09:01:17,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 09:01:17,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 09:01:17,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 09:01:17,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,415 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-18 09:01:17,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 09:01:17,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 09:01:17,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 09:01:17,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 09:01:17,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 09:01:17,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 09:01:17,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 09:01:17,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 09:01:17,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:17,469 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) [2023-02-18 09:01:17,479 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 [2023-02-18 09:01:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 09:01:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 09:01:17,530 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 09:01:17,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 09:01:29,630 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 09:01:29,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 09:01:29,634 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-18 09:01:29,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:01:29 BoogieIcfgContainer [2023-02-18 09:01:29,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 09:01:29,636 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-18 09:01:29,636 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-18 09:01:29,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-18 09:01:29,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:29,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.02 09:01:17" (1/3) ... [2023-02-18 09:01:29,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26760abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.02 09:01:29, skipping insertion in model container [2023-02-18 09:01:29,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:29,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (2/3) ... [2023-02-18 09:01:29,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26760abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.02 09:01:29, skipping insertion in model container [2023-02-18 09:01:29,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:29,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:01:29" (3/3) ... [2023-02-18 09:01:29,641 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra4-both-t.c [2023-02-18 09:01:29,677 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-18 09:01:29,678 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-18 09:01:29,678 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-18 09:01:29,678 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-18 09:01:29,678 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-18 09:01:29,678 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-18 09:01:29,678 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-18 09:01:29,678 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-18 09:01:29,681 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) [2023-02-18 09:01:29,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-18 09:01:29,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:29,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:29,693 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-18 09:01:29,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 09:01:29,694 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-18 09:01:29,694 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) [2023-02-18 09:01:29,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-18 09:01:29,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:29,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:29,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-18 09:01:29,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 09:01:29,700 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-18 09:01:29,700 INFO L750 eck$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 [2023-02-18 09:01:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:29,703 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-18 09:01:29,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:29,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453156673] [2023-02-18 09:01:29,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:29,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:29,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:29,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:29,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:29,794 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-18 09:01:29,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:29,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194249021] [2023-02-18 09:01:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:29,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:29,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:29,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-18 09:01:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:29,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075475469] [2023-02-18 09:01:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:29,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:29,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:29,867 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:29,867 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:29,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:29,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:29,868 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:01:29,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:29,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:29,868 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:29,868 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration1_Lasso [2023-02-18 09:01:29,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:29,868 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:29,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,890 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:29,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:29,921 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:01:29,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:29,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:29,943 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) [2023-02-18 09:01:29,954 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 [2023-02-18 09:01:29,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:29,955 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:29,989 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 [2023-02-18 09:01:29,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:29,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:29,990 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) [2023-02-18 09:01:29,993 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 [2023-02-18 09:01:29,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:01:29,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:42,160 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-18 09:01:42,176 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 [2023-02-18 09:01:42,177 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:42,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:42,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:42,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:42,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:01:42,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:42,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:42,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration1_Lasso [2023-02-18 09:01:42,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:42,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:42,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:42,217 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:01:42,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,220 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) [2023-02-18 09:01:42,222 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 [2023-02-18 09:01:42,228 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 [2023-02-18 09:01:42,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:42,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:42,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:42,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:42,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 09:01:42,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 09:01:42,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-18 09:01:42,278 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-18 09:01:42,278 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-18 09:01:42,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,282 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) [2023-02-18 09:01:42,283 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 [2023-02-18 09:01:42,284 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-18 09:01:42,306 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-18 09:01:42,306 INFO L513 LassoAnalysis]: Proved termination. [2023-02-18 09:01:42,307 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] [2023-02-18 09:01:42,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-18 09:01:42,319 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-18 09:01:42,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 09:01:42,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 09:01:42,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 09:01:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 09:01:42,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 09:01:42,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 09:01:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 09:01:42,394 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 [2023-02-18 09:01:42,396 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) [2023-02-18 09:01:42,428 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. [2023-02-18 09:01:42,430 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 [2023-02-18 09:01:42,433 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) [2023-02-18 09:01:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-18 09:01:42,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-18 09:01:42,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:42,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-18 09:01:42,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:42,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-18 09:01:42,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:42,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-18 09:01:42,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-18 09:01:42,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-18 09:01:42,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-18 09:01:42,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-18 09:01:42,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-18 09:01:42,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-18 09:01:42,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-18 09:01:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-18 09:01:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-18 09:01:42,455 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) [2023-02-18 09:01:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-18 09:01:42,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-18 09:01:42,456 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-18 09:01:42,456 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-18 09:01:42,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-18 09:01:42,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-18 09:01:42,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:42,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:42,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-18 09:01:42,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-18 09:01:42,457 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 [2023-02-18 09:01:42,457 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 [2023-02-18 09:01:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:42,458 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-18 09:01:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:42,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707667769] [2023-02-18 09:01:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:42,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:42,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:42,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:42,466 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-18 09:01:42,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:42,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146199648] [2023-02-18 09:01:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:42,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:42,470 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 09:01:42,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022272049] [2023-02-18 09:01:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:42,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 09:01:42,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,471 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) [2023-02-18 09:01:42,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 09:01:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:42,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:42,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:42,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-18 09:01:42,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:42,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350477405] [2023-02-18 09:01:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:42,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 09:01:42,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107407497] [2023-02-18 09:01:42,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 09:01:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,532 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) [2023-02-18 09:01:42,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 09:01:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:42,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:42,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:42,584 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:42,584 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:42,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:42,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:42,584 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:01:42,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:42,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:42,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration2_Loop [2023-02-18 09:01:42,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:42,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:42,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:42,596 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:01:42,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-18 09:01:42,760 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:42,760 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:01:42,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,762 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) [2023-02-18 09:01:42,764 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 [2023-02-18 09:01:42,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:42,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:42,774 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 09:01:42,774 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: [] [2023-02-18 09:01:42,779 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 [2023-02-18 09:01:42,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,780 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) [2023-02-18 09:01:42,780 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 [2023-02-18 09:01:42,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:42,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:43,509 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 [2023-02-18 09:01:43,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:43,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:43,511 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) [2023-02-18 09:01:43,513 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 [2023-02-18 09:01:43,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:01:43,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:45,710 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 09:01:45,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-18 09:01:45,728 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:45,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:45,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:45,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:45,728 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:01:45,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:45,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:45,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:45,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration2_Loop [2023-02-18 09:01:45,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:45,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:45,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:45,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:45,736 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:01:45,927 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:45,927 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:01:45,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:45,928 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) [2023-02-18 09:01:45,930 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 [2023-02-18 09:01:45,932 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 [2023-02-18 09:01:45,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:45,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:45,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:45,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:45,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:45,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:01:45,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:45,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:45,972 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 [2023-02-18 09:01:45,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:45,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:45,973 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) [2023-02-18 09:01:45,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:45,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:45,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:45,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:45,986 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:45,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:45,999 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 [2023-02-18 09:01:47,093 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-18 09:01:47,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:49,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:49,326 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 [2023-02-18 09:01:49,326 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-18 09:01:49,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:49,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:49,328 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) [2023-02-18 09:01:49,329 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 [2023-02-18 09:01:49,331 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 [2023-02-18 09:01:49,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:49,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:49,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:49,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:49,337 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:01:49,337 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-18 09:01:49,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:49,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:49,341 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 [2023-02-18 09:01:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:49,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:49,342 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) [2023-02-18 09:01:49,343 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 [2023-02-18 09:01:49,346 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 [2023-02-18 09:01:49,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:49,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:49,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:49,352 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:49,352 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:01:50,875 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-18 09:01:50,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:54,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:54,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-18 09:01:54,986 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-18 09:01:54,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:54,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:54,987 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) [2023-02-18 09:01:54,988 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 [2023-02-18 09:01:54,990 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 [2023-02-18 09:01:54,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:54,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:54,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:54,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:54,996 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:01:54,997 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:01:54,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:54,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:55,003 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 [2023-02-18 09:01:55,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:55,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:55,004 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) [2023-02-18 09:01:55,007 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 [2023-02-18 09:01:55,009 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 [2023-02-18 09:01:55,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:55,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:55,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:55,016 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:55,016 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:01:56,936 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:01:56,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:03,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:03,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-18 09:02:03,712 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-18 09:02:03,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:03,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:03,715 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) [2023-02-18 09:02:03,716 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 [2023-02-18 09:02:03,716 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 [2023-02-18 09:02:03,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:02:03,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:03,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:03,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:03,723 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:03,724 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-18 09:02:03,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:03,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:03,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-18 09:02:03,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:03,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:03,732 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) [2023-02-18 09:02:03,734 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 [2023-02-18 09:02:03,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:02:03,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:02:03,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:03,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:03,743 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:03,743 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:05,956 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-18 09:02:05,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:16,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:16,863 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 [2023-02-18 09:02:16,863 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-18 09:02:16,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:16,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:16,865 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) [2023-02-18 09:02:16,866 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 [2023-02-18 09:02:16,872 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 [2023-02-18 09:02:16,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:16,878 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:02:16,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:16,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:16,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:16,878 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:02:16,879 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-18 09:02:16,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:16,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:16,883 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 [2023-02-18 09:02:16,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:16,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:16,884 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) [2023-02-18 09:02:16,888 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 [2023-02-18 09:02:16,888 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 [2023-02-18 09:02:16,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:16,896 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:02:16,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:16,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:16,896 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:16,896 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:02:18,440 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-18 09:02:18,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:32,369 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:02:32,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-02-18 09:02:32,444 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-18 09:02:32,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:32,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:32,445 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) [2023-02-18 09:02:32,446 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 [2023-02-18 09:02:32,453 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 [2023-02-18 09:02:32,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:32,459 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-18 09:02:32,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:32,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:32,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:32,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:02:32,460 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:02:32,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:32,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:32,465 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 [2023-02-18 09:02:32,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:32,466 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) [2023-02-18 09:02:32,467 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 [2023-02-18 09:02:32,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:02:32,476 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:32,476 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-18 09:02:32,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:32,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:32,476 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:32,476 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:02:34,482 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:02:34,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:57,015 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:02:57,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-18 09:02:57,124 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-18 09:02:57,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:57,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:57,125 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) [2023-02-18 09:02:57,126 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 [2023-02-18 09:02:57,132 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 [2023-02-18 09:02:57,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:57,138 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:02:57,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:57,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:57,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:57,139 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:57,139 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-18 09:02:57,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:57,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:57,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-18 09:02:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:57,148 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) [2023-02-18 09:02:57,149 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 [2023-02-18 09:02:57,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:02:57,159 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:57,159 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:02:57,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:57,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:57,159 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:57,159 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:59,947 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-18 09:02:59,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:04:20,123 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:04:20,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-18 09:04:20,292 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-18 09:04:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:04:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:04:20,293 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) [2023-02-18 09:04:20,295 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 [2023-02-18 09:04:20,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:04:20,307 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:04:20,307 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:04:20,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:04:20,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:04:20,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:04:20,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:04:20,308 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:04:20,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:04:20,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:04:20,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-18 09:04:20,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:04:20,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:04:20,320 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) [2023-02-18 09:04:20,412 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 [2023-02-18 09:04:20,421 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 [2023-02-18 09:04:20,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:04:20,428 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:04:20,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:04:20,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:04:20,428 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:04:20,428 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:04:22,197 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:04:22,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:04:31,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:04:32,048 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 [2023-02-18 09:04:32,048 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-18 09:04:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:04:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:04:32,049 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) [2023-02-18 09:04:32,050 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 [2023-02-18 09:04:32,053 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 [2023-02-18 09:04:32,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:04:32,059 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:04:32,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:04:32,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:04:32,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:04:32,059 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-18 09:04:32,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 09:04:32,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:04:32,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:04:32,067 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 [2023-02-18 09:04:32,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:04:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:04:32,068 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) [2023-02-18 09:04:32,072 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 [2023-02-18 09:04:32,072 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 [2023-02-18 09:04:32,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:04:32,079 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:04:32,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:04:32,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:04:32,080 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:04:32,080 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-18 09:04:34,910 INFO L401 nArgumentSynthesizer]: We have 2400 Motzkin's Theorem applications. [2023-02-18 09:04:34,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:26,656 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:05:26,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:26,797 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:05:26,797 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:05:26,797 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:05:26,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:05:26,798 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:05:26,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:26,798 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:05:26,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:05:26,798 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration2_Lasso [2023-02-18 09:05:26,798 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:05:26,798 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:05:26,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:26,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:26,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:26,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:26,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:26,817 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:05:27,025 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:05:27,026 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:05:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:27,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:27,027 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:27,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-18 09:05:27,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:05:27,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:05:27,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:27,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:27,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:27,456 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:27,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-18 09:05:27,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:05:27,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:05:29,228 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 09:05:29,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-18 09:05:29,244 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:05:29,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:05:29,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:05:29,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:05:29,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:05:29,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:29,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:05:29,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:05:29,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra4-both-t.c_Iteration2_Lasso [2023-02-18 09:05:29,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:05:29,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:05:29,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:29,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:29,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:29,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:29,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:29,254 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:05:29,388 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:05:29,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:05:29,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:29,389 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:29,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-18 09:05:29,393 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 [2023-02-18 09:05:29,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:29,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:29,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:29,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:29,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:05:29,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:05:29,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:29,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:29,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:29,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:29,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:29,403 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:29,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-18 09:05:29,406 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 [2023-02-18 09:05:29,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:29,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:29,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:29,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:29,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:05:29,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:05:29,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:29,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:29,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:29,423 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:29,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-18 09:05:29,425 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 [2023-02-18 09:05:29,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:29,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:29,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:29,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:29,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:05:29,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:05:29,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:29,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:29,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-02-18 09:05:29,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:29,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:29,437 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:29,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-18 09:05:29,440 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 [2023-02-18 09:05:29,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:29,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:29,445 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:05:29,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.