./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra3-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/dijkstra3-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 1a3c5687c58d1196c2e28c7e8ec3d33a3228b64f25cd4e398075b5e3a9a293e7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 09:01:14,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 09:01:14,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 09:01:14,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 09:01:14,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 09:01:14,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 09:01:14,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 09:01:14,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 09:01:14,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 09:01:14,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 09:01:14,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 09:01:14,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 09:01:14,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 09:01:14,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 09:01:14,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 09:01:14,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 09:01:14,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 09:01:14,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 09:01:14,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 09:01:14,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 09:01:15,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 09:01:15,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 09:01:15,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 09:01:15,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 09:01:15,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 09:01:15,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 09:01:15,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 09:01:15,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 09:01:15,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 09:01:15,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 09:01:15,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 09:01:15,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 09:01:15,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 09:01:15,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 09:01:15,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 09:01:15,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 09:01:15,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 09:01:15,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 09:01:15,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 09:01:15,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 09:01:15,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 09:01:15,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-18 09:01:15,071 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 09:01:15,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 09:01:15,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 09:01:15,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 09:01:15,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 09:01:15,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 09:01:15,077 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 09:01:15,077 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-18 09:01:15,077 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-18 09:01:15,077 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-18 09:01:15,078 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-18 09:01:15,078 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-18 09:01:15,079 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-18 09:01:15,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 09:01:15,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 09:01:15,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 09:01:15,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 09:01:15,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-18 09:01:15,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-18 09:01:15,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-18 09:01:15,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 09:01:15,080 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-18 09:01:15,080 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 09:01:15,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-18 09:01:15,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 09:01:15,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 09:01:15,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 09:01:15,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 09:01:15,082 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-18 09:01:15,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a3c5687c58d1196c2e28c7e8ec3d33a3228b64f25cd4e398075b5e3a9a293e7 [2023-02-18 09:01:15,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 09:01:15,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 09:01:15,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 09:01:15,333 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 09:01:15,333 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 09:01:15,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra3-both-t.c [2023-02-18 09:01:16,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 09:01:16,630 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 09:01:16,631 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra3-both-t.c [2023-02-18 09:01:16,636 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560140dc4/01c1d2cc3877473a85a581ea57a4d658/FLAG56147d76f [2023-02-18 09:01:16,651 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/560140dc4/01c1d2cc3877473a85a581ea57a4d658 [2023-02-18 09:01:16,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 09:01:16,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 09:01:16,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 09:01:16,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 09:01:16,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 09:01:16,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3bae30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16, skipping insertion in model container [2023-02-18 09:01:16,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 09:01:16,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 09:01:16,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 09:01:16,808 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 09:01:16,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 09:01:16,830 INFO L208 MainTranslator]: Completed translation [2023-02-18 09:01:16,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16 WrapperNode [2023-02-18 09:01:16,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 09:01:16,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 09:01:16,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 09:01:16,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 09:01:16,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,856 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-18 09:01:16,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 09:01:16,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 09:01:16,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 09:01:16,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 09:01:16,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 09:01:16,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 09:01:16,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 09:01:16,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 09:01:16,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (1/1) ... [2023-02-18 09:01:16,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:16,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:16,902 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 09:01:16,932 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 09:01:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 09:01:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 09:01:16,996 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 09:01:16,998 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 09:01:17,117 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 09:01:17,122 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 09:01:17,123 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-18 09:01:17,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:01:17 BoogieIcfgContainer [2023-02-18 09:01:17,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 09:01:17,126 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-18 09:01:17,126 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-18 09:01:17,129 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-18 09:01:17,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:17,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.02 09:01:16" (1/3) ... [2023-02-18 09:01:17,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aeccfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.02 09:01:17, skipping insertion in model container [2023-02-18 09:01:17,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:17,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:16" (2/3) ... [2023-02-18 09:01:17,132 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aeccfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.02 09:01:17, skipping insertion in model container [2023-02-18 09:01:17,132 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:17,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:01:17" (3/3) ... [2023-02-18 09:01:17,133 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra3-both-t.c [2023-02-18 09:01:17,245 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-18 09:01:17,246 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-18 09:01:17,246 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-18 09:01:17,246 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-18 09:01:17,246 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-18 09:01:17,246 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-18 09:01:17,247 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-18 09:01:17,247 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-18 09:01:17,250 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 09:01:17,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-18 09:01:17,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:17,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:17,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-18 09:01:17,268 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 09:01:17,268 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-18 09:01:17,268 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 09:01:17,269 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-18 09:01:17,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:17,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:17,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-18 09:01:17,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 09:01:17,276 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-18 09:01:17,277 INFO L750 eck$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 09:01:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:17,281 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-18 09:01:17,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:17,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334297225] [2023-02-18 09:01:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:17,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:17,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:17,375 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-18 09:01:17,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:17,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314560816] [2023-02-18 09:01:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:17,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:17,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-18 09:01:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:17,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431212186] [2023-02-18 09:01:17,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:17,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:17,456 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:17,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:17,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:17,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:17,457 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:01:17,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:17,458 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:17,458 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration1_Lasso [2023-02-18 09:01:17,458 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:17,458 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:17,471 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 09:01:17,479 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 09:01:17,481 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 09:01:17,482 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 09:01:17,483 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 09:01:17,484 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 09:01:17,485 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 09:01:17,487 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 09:01:17,488 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 09:01:17,501 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:17,502 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:01:17,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:17,535 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 09:01:17,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:17,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:17,604 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 09:01:17,617 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 09:01:17,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:17,619 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 09:01:17,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:01:17,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:17,657 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 09:01:29,776 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-18 09:01:29,793 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 09:01:29,794 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:29,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:29,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:29,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:29,794 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:01:29,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:29,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:29,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:29,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration1_Lasso [2023-02-18 09:01:29,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:29,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:29,796 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 09:01:29,802 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 09:01:29,804 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 09:01:29,805 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 09:01:29,806 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 09:01:29,807 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 09:01:29,808 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 09:01:29,809 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 09:01:29,811 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 09:01:29,816 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:29,820 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:01:29,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:29,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:29,823 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 09:01:29,829 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 09:01:29,829 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 09:01:29,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:29,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:29,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:29,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:29,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 09:01:29,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 09:01:29,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-18 09:01:29,876 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-18 09:01:29,876 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-18 09:01:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:29,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:29,931 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 09:01:29,933 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 09:01:29,934 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-18 09:01:29,944 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-18 09:01:29,944 INFO L513 LassoAnalysis]: Proved termination. [2023-02-18 09:01:29,945 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 09:01:29,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-18 09:01:29,965 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-18 09:01:30,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 09:01:30,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 09:01:30,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 09:01:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 09:01:30,043 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 09:01:30,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 09:01:30,044 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 09:01:30,077 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 09:01:30,079 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 09:01:30,134 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 09:01:30,137 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 09:01:30,143 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 09:01:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-18 09:01:30,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-18 09:01:30,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:30,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-18 09:01:30,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:30,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-18 09:01:30,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:30,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-18 09:01:30,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-18 09:01:30,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-18 09:01:30,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-18 09:01:30,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-18 09:01:30,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-18 09:01:30,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-18 09:01:30,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-18 09:01:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-18 09:01:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-18 09:01:30,180 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 09:01:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-18 09:01:30,181 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-18 09:01:30,182 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-18 09:01:30,182 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-18 09:01:30,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-18 09:01:30,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-18 09:01:30,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:30,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:30,183 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-18 09:01:30,183 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-18 09:01:30,184 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 09:01:30,184 INFO L750 eck$LassoCheckResult]: Loop: 89#L40-1 assume !!(main_~h~0#1 * main_~h~0#1 * main_~h~0#1 - 12 * main_~h~0#1 * main_~n~0#1 * main_~q~0#1 + 16 * main_~n~0#1 * main_~p~0#1 * main_~q~0#1 - main_~h~0#1 * main_~q~0#1 * main_~q~0#1 - 4 * main_~p~0#1 * main_~q~0#1 * main_~q~0#1 + 12 * main_~h~0#1 * main_~q~0#1 * main_~r~0#1 - 16 * main_~p~0#1 * main_~q~0#1 * main_~r~0#1 + main_~c~0#1 <= main_~k~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 87#L54 assume !(main_~r~0#1 >= main_~h~0#1); 88#L54-2 main_#t~post2#1 := main_~c~0#1;main_~c~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 89#L40-1 [2023-02-18 09:01:30,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,188 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-18 09:01:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:30,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226295922] [2023-02-18 09:01:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,218 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-18 09:01:30,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:30,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719237682] [2023-02-18 09:01:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:30,227 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 09:01:30,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574197541] [2023-02-18 09:01:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 09:01:30,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,233 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 09:01:30,236 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 09:01:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:30,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-18 09:01:30,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:30,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644962287] [2023-02-18 09:01:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:30,296 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 09:01:30,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400093148] [2023-02-18 09:01:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 09:01:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,300 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 09:01:30,325 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 09:01:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:30,360 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:30,360 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:30,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:30,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:30,361 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:01:30,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:30,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:30,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Loop [2023-02-18 09:01:30,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:30,361 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:30,366 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 09:01:30,369 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 09:01:30,379 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:01:30,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-18 09:01:30,572 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:30,573 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:01:30,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,574 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 09:01:30,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:30,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:30,602 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 09:01:30,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 09:01:30,604 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 09:01:30,611 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 09:01:30,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,613 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 09:01:30,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:30,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:30,624 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 09:01:31,496 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 09:01:31,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:31,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:31,499 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 09:01:31,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:01:31,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:31,517 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 09:01:34,227 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 09:01:34,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-18 09:01:34,246 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:34,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:34,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:34,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:34,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:01:34,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:34,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:34,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:34,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Loop [2023-02-18 09:01:34,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:34,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:34,249 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 09:01:34,251 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 09:01:34,257 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:01:34,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:34,432 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:01:34,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:34,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:34,437 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 09:01:34,440 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 09:01:34,442 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 09:01:34,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:34,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:34,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:34,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:34,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:34,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:01:34,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:34,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:34,471 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 09:01:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:34,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:34,473 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 09:01:34,476 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 09:01:34,477 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 09:01:34,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:34,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:34,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:34,485 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:34,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:35,920 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-18 09:01:35,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:38,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:38,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-18 09:01:38,444 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-18 09:01:38,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:38,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:38,446 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 09:01:38,448 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 09:01:38,450 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 09:01:38,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:38,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:38,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:38,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:38,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:01:38,458 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-18 09:01:38,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:38,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:38,482 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 09:01:38,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:38,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:38,483 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 09:01:38,484 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 09:01:38,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:38,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:38,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:38,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:38,493 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:38,493 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:01:40,216 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-18 09:01:40,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:44,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:44,680 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 09:01:44,680 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-18 09:01:44,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:44,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:44,681 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 09:01:44,684 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 09:01:44,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:44,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:44,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:44,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:44,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:44,692 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:01:44,693 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:01:44,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:44,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:44,699 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 09:01:44,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:44,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:44,701 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 09:01:44,703 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 09:01:44,706 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 09:01:44,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:44,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:44,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:44,715 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:44,715 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:01:46,815 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:01:46,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:53,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:53,693 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 09:01:53,694 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-18 09:01:53,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:53,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:53,697 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 09:01:53,697 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 09:01:53,700 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 09:01:53,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:53,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:53,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:53,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:53,707 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:01:53,709 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-18 09:01:53,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:53,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:53,729 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 09:01:53,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:53,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:53,731 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 09:01:53,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:53,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:53,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:53,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:53,749 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:53,749 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:01:53,762 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 09:01:56,236 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-18 09:01:56,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:06,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:06,816 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 09:02:06,817 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-18 09:02:06,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:06,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:06,818 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 09:02:06,819 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 09:02:06,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:02:06,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:06,828 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:02:06,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:06,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:06,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:06,829 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:02:06,829 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-18 09:02:06,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:06,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:06,834 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 09:02:06,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:06,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:06,836 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 09:02:06,839 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 09:02:06,840 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 09:02:06,846 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:06,847 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:02:06,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:06,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:06,847 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:06,847 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:02:08,513 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-18 09:02:08,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:20,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:20,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-18 09:02:20,490 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-18 09:02:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:20,492 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 09:02:20,492 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 09:02:20,495 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 09:02:20,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:20,502 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-18 09:02:20,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:20,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:20,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:20,502 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:02:20,503 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:02:20,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:20,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:20,508 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 09:02:20,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:20,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:20,510 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 09:02:20,510 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 09:02:20,513 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 09:02:20,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:20,521 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-18 09:02:20,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:20,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:20,522 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:20,522 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:02:22,892 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:02:22,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:58,165 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:02:58,285 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 09:02:58,286 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-18 09:02:58,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:58,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:58,287 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 09:02:58,288 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 09:02:58,295 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 09:02:58,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:58,302 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:02:58,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:58,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:58,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:58,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:58,303 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-18 09:02:58,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:58,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:58,312 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 09:02:58,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:58,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:58,314 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 09:02:58,316 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 09:02:58,318 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 09:02:58,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:58,326 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:02:58,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:58,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:58,327 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:58,327 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:03:01,534 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-18 09:03:01,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:08,361 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:05:08,538 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 09:05:08,538 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-18 09:05:08,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:08,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:08,539 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 09:05:08,540 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 09:05:08,547 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 09:05:08,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:05:08,554 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:05:08,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:08,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:08,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:08,555 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:05:08,555 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:05:08,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:08,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:08,561 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 09:05:08,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:08,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:08,562 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 09:05:08,565 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 09:05:08,566 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 09:05:08,573 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:05:08,573 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:05:08,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:08,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:08,573 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:05:08,573 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:05:10,852 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:05:10,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:21,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:21,714 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 09:05:21,714 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-18 09:05:21,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:21,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:21,716 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 09:05:21,717 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 09:05:21,721 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 09:05:21,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:05:21,727 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:05:21,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:21,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:21,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:21,728 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-18 09:05:21,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 09:05:21,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:21,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:21,734 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 09:05:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:21,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:21,736 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 09:05:21,739 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 09:05:21,740 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 09:05:21,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:05:21,748 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:05:21,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:21,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:21,748 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:05:21,748 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-18 09:05:25,228 INFO L401 nArgumentSynthesizer]: We have 2400 Motzkin's Theorem applications. [2023-02-18 09:05:25,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:06:52,866 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:06:53,028 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 09:06:53,033 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:06:53,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:06:53,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:06:53,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:06:53,033 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:06:53,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:53,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:06:53,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:06:53,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Lasso [2023-02-18 09:06:53,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:06:53,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:06:53,036 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 09:06:53,042 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 09:06:53,044 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 09:06:53,046 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 09:06:53,047 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 09:06:53,052 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:06:53,167 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:06:53,167 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:06:53,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:53,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:06:53,169 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 09:06:53,173 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 09:06:53,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:06:53,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:06:53,704 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 09:06:53,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:06:53,706 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 09:06:53,707 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 09:06:53,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:06:53,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:06:55,476 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 09:06:55,496 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 09:06:55,496 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:06:55,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:06:55,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:06:55,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:06:55,496 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:06:55,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:55,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:06:55,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:06:55,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Lasso [2023-02-18 09:06:55,497 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:06:55,497 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:06:55,499 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 09:06:55,506 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 09:06:55,507 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 09:06:55,508 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 09:06:55,513 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 09:06:55,519 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:06:55,651 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:06:55,652 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:06:55,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:55,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:06:55,658 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 09:06:55,662 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 09:06:55,669 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 09:06:55,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:06:55,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:06:55,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:06:55,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:06:55,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:06:55,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:06:55,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:06:55,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:06:55,685 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 09:06:55,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:55,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:06:55,687 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 09:06:55,690 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 09:06:55,693 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 09:06:55,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:06:55,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:06:55,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:06:55,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:06:55,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:06:55,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:06:55,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:06:55,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:06:55,731 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 09:06:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:06:55,733 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 09:06:55,736 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 09:06:55,738 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 09:06:55,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:06:55,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:06:55,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:06:55,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:06:55,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:06:55,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:06:55,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:06:55,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:06:55,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-02-18 09:06:55,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:06:55,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:06:55,768 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 09:06:55,771 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 09:06:55,773 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 09:06:55,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:06:55,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:06:55,780 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:06:55,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.