./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f61fb8f4c16751b4572a5141e10799cbf0e2e1fd0bdc6a28bbe6997c3db7d73c --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 09:01:15,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 09:01:15,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 09:01:15,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 09:01:15,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 09:01:15,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 09:01:15,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 09:01:15,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 09:01:15,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 09:01:15,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 09:01:15,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 09:01:15,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 09:01:15,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 09:01:15,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 09:01:15,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 09:01:15,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 09:01:15,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 09:01:15,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 09:01:15,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 09:01:15,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 09:01:15,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 09:01:15,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 09:01:15,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 09:01:15,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 09:01:15,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 09:01:15,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 09:01:15,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 09:01:15,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 09:01:15,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 09:01:15,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 09:01:15,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 09:01:15,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 09:01:15,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 09:01:15,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 09:01:15,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 09:01:15,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 09:01:15,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 09:01:15,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 09:01:15,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 09:01:15,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 09:01:15,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 09:01:15,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-18 09:01:15,933 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 09:01:15,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 09:01:15,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 09:01:15,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 09:01:15,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 09:01:15,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 09:01:15,935 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 09:01:15,936 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-18 09:01:15,936 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-18 09:01:15,936 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-18 09:01:15,936 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-18 09:01:15,936 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-18 09:01:15,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-18 09:01:15,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-18 09:01:15,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 09:01:15,938 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-18 09:01:15,938 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 09:01:15,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-18 09:01:15,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 09:01:15,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 09:01:15,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 09:01:15,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 09:01:15,940 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-18 09:01:15,940 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f61fb8f4c16751b4572a5141e10799cbf0e2e1fd0bdc6a28bbe6997c3db7d73c [2023-02-18 09:01:16,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 09:01:16,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 09:01:16,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 09:01:16,143 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 09:01:16,143 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 09:01:16,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra5-both-t.c [2023-02-18 09:01:17,079 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 09:01:17,197 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 09:01:17,197 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra5-both-t.c [2023-02-18 09:01:17,201 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814d8c92e/00af8a6683c443c2818da6a86809a6b0/FLAGcfbe0cb07 [2023-02-18 09:01:17,210 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814d8c92e/00af8a6683c443c2818da6a86809a6b0 [2023-02-18 09:01:17,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 09:01:17,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 09:01:17,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 09:01:17,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 09:01:17,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 09:01:17,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108c395e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17, skipping insertion in model container [2023-02-18 09:01:17,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 09:01:17,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 09:01:17,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 09:01:17,331 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 09:01:17,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 09:01:17,357 INFO L208 MainTranslator]: Completed translation [2023-02-18 09:01:17,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17 WrapperNode [2023-02-18 09:01:17,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 09:01:17,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 09:01:17,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 09:01:17,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 09:01:17,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,380 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-18 09:01:17,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 09:01:17,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 09:01:17,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 09:01:17,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 09:01:17,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 09:01:17,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 09:01:17,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 09:01:17,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 09:01:17,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (1/1) ... [2023-02-18 09:01:17,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:17,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:01:17,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-18 09:01:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 09:01:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 09:01:17,496 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 09:01:17,498 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 09:01:17,567 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 09:01:17,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 09:01:17,571 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-18 09:01:17,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:01:17 BoogieIcfgContainer [2023-02-18 09:01:17,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 09:01:17,573 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-18 09:01:17,573 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-18 09:01:17,576 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-18 09:01:17,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:17,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.02 09:01:17" (1/3) ... [2023-02-18 09:01:17,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ad96774 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 09:01:17,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:17,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:01:17" (2/3) ... [2023-02-18 09:01:17,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ad96774 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 09:01:17,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-18 09:01:17,578 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 09:01:17,579 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra5-both-t.c [2023-02-18 09:01:17,611 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-18 09:01:17,611 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-18 09:01:17,611 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-18 09:01:17,612 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-18 09:01:17,612 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-18 09:01:17,612 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-18 09:01:17,612 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-18 09:01:17,612 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-18 09:01:17,615 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 09:01:17,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-18 09:01:17,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:17,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:17,632 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-18 09:01:17,632 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 09:01:17,632 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-18 09:01:17,632 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 09:01:17,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-18 09:01:17,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:17,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:17,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-18 09:01:17,634 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-18 09:01:17,640 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-18 09:01:17,641 INFO L750 eck$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 09:01:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-18 09:01:17,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:17,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610649540] [2023-02-18 09:01:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:17,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:17,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:17,775 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-18 09:01:17,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:17,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727456175] [2023-02-18 09:01:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:17,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:17,782 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-18 09:01:17,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:17,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171404621] [2023-02-18 09:01:17,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:17,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:17,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:17,830 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:17,831 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:17,831 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:17,831 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:17,831 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:01:17,831 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,831 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:17,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:17,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration1_Lasso [2023-02-18 09:01:17,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:17,832 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:17,844 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 09:01:17,853 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 09:01:17,854 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 09:01:17,855 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 09:01:17,856 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 09:01:17,860 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 09:01:17,861 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:17,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:17,864 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 09:01:17,873 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:17,885 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:01:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:17,892 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 09:01:17,897 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 09:01:17,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:17,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:17,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-02-18 09:01:17,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:17,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:17,937 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 09:01:17,939 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 09:01:17,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:01:17,941 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:30,074 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-18 09:01:30,092 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 09:01:30,092 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:30,092 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:30,092 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:30,092 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:30,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:01:30,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:30,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:30,093 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration1_Lasso [2023-02-18 09:01:30,093 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:30,093 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:30,096 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 09:01:30,106 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 09:01:30,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:30,108 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 09:01:30,109 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 09:01:30,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:30,114 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 09:01:30,116 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 09:01:30,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:30,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:30,126 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:01:30,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,129 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 09:01:30,131 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 09:01:30,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:30,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:30,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:30,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:30,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:30,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 09:01:30,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-18 09:01:30,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-18 09:01:30,179 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-18 09:01:30,180 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-18 09:01:30,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,183 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 09:01:30,185 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 09:01:30,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-18 09:01:30,208 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-18 09:01:30,209 INFO L513 LassoAnalysis]: Proved termination. [2023-02-18 09:01:30,209 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 09:01:30,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-18 09:01:30,219 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-18 09:01:30,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 09:01:30,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 09:01:30,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 09:01:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 09:01:30,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-18 09:01:30,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 09:01:30,261 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 09:01:30,280 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 09:01:30,282 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 09:01:30,314 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 09:01:30,315 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 09:01:30,318 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 09:01:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-18 09:01:30,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-18 09:01:30,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:30,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-18 09:01:30,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:30,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-18 09:01:30,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-18 09:01:30,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-18 09:01:30,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-18 09:01:30,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-18 09:01:30,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-18 09:01:30,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-18 09:01:30,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-18 09:01:30,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-18 09:01:30,326 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-18 09:01:30,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-18 09:01:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-18 09:01:30,340 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 09:01:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-18 09:01:30,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-18 09:01:30,342 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-18 09:01:30,342 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-18 09:01:30,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-18 09:01:30,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-18 09:01:30,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-18 09:01:30,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-18 09:01:30,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-18 09:01:30,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-18 09:01:30,343 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 09:01:30,343 INFO L750 eck$LassoCheckResult]: Loop: 89#L40-1 assume !!(main_~h~0#1 * main_~h~0#1 * main_~p~0#1 - 4 * main_~h~0#1 * main_~n~0#1 * main_~q~0#1 + 4 * main_~n~0#1 * main_~p~0#1 * main_~q~0#1 - main_~p~0#1 * main_~q~0#1 * main_~q~0#1 + 4 * main_~h~0#1 * main_~q~0#1 * main_~r~0#1 - 4 * main_~p~0#1 * main_~q~0#1 * main_~r~0#1 + main_~c~0#1 <= main_~k~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 87#L54 assume !(main_~r~0#1 >= main_~h~0#1); 88#L54-2 main_#t~post2#1 := main_~c~0#1;main_~c~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 89#L40-1 [2023-02-18 09:01:30,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-18 09:01:30,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:30,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324880883] [2023-02-18 09:01:30,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:30,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,353 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-18 09:01:30,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:30,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952997151] [2023-02-18 09:01:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:30,357 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 09:01:30,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252632180] [2023-02-18 09:01:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 09:01:30,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,359 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 09:01:30,361 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 09:01:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:30,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 09:01:30,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-18 09:01:30,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 09:01:30,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360844825] [2023-02-18 09:01:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 09:01:30,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 09:01:30,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999138031] [2023-02-18 09:01:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 09:01:30,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 09:01:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,395 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 09:01:30,395 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 09:01:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 09:01:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 09:01:30,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 09:01:30,433 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:30,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:30,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:30,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:30,434 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:01:30,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:30,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:30,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration2_Loop [2023-02-18 09:01:30,435 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:30,435 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:30,437 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 09:01:30,438 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 09:01:30,444 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:01:30,557 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 09:01:30,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:30,631 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:01:30,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,633 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 09:01:30,635 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 09:01:30,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:30,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:30,653 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-18 09:01:30,653 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 09:01:30,662 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 09:01:30,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:30,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:30,664 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 09:01:30,666 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 09:01:30,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:01:30,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:31,314 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 09:01:31,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:31,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:31,316 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 09:01:31,319 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 09:01:31,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:01:31,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:01:33,226 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 09:01:33,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-18 09:01:33,244 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:01:33,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:01:33,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:01:33,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:01:33,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:01:33,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:33,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:01:33,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:01:33,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration2_Loop [2023-02-18 09:01:33,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:01:33,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:01:33,247 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:01:33,249 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 09:01:33,254 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:01:33,347 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:01:33,348 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:01:33,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:33,349 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 09:01:33,351 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 09:01:33,353 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 09:01:33,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:33,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:33,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:33,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:33,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:33,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:01:33,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:33,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:33,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-18 09:01:33,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:33,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:33,380 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 09:01:33,382 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 09:01:33,384 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 09:01:33,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:33,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:33,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:33,390 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:33,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:01:34,536 INFO L401 nArgumentSynthesizer]: We have 800 Motzkin's Theorem applications. [2023-02-18 09:01:34,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:36,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:36,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-18 09:01:36,671 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-18 09:01:36,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:36,673 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 09:01:36,674 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 09:01:36,679 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 09:01:36,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:36,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:36,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:36,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:36,685 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:01:36,686 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-18 09:01:36,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:36,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:36,697 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 09:01:36,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:36,699 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 09:01:36,701 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 09:01:36,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:36,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:36,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:36,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:36,709 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:36,709 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:01:38,158 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-18 09:01:38,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:42,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:42,402 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 09:01:42,403 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-18 09:01:42,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,405 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 09:01:42,408 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 09:01:42,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:42,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:42,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:42,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:42,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:42,417 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:01:42,417 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:01:42,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:42,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:42,421 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 09:01:42,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:42,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:42,422 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 09:01:42,423 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 09:01:42,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:01:42,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:42,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:42,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:42,432 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:42,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:01:44,284 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:01:44,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:51,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:51,237 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 09:01:51,238 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-18 09:01:51,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:51,241 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 09:01:51,243 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 09:01:51,244 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 09:01:51,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:51,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:51,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:51,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:01:51,250 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:01:51,251 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-18 09:01:51,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:01:51,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:01:51,255 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 09:01:51,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:01:51,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:01:51,256 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 09:01:51,257 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 09:01:51,260 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 09:01:51,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:01:51,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:01:51,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:01:51,268 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:01:51,268 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:01:53,640 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-18 09:01:53,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:04,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:04,135 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 09:02:04,135 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-18 09:02:04,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:04,136 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 09:02:04,139 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 09:02:04,140 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 09:02:04,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:04,147 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:02:04,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:04,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:04,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:04,147 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:02:04,148 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-18 09:02:04,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:04,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:04,154 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 09:02:04,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:04,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:04,155 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 09:02:04,158 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 09:02:04,159 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 09:02:04,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:04,166 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:02:04,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:04,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:04,166 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:04,166 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-18 09:02:05,686 INFO L401 nArgumentSynthesizer]: We have 1200 Motzkin's Theorem applications. [2023-02-18 09:02:05,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:15,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:15,378 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 09:02:15,378 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-18 09:02:15,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:15,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:15,379 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 09:02:15,380 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 09:02:15,382 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 09:02:15,388 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:15,388 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-18 09:02:15,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:15,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:15,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:15,389 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:02:15,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:02:15,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:15,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:15,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-18 09:02:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:15,401 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 09:02:15,401 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 09:02:15,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:02:15,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:15,411 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-18 09:02:15,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:15,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:15,411 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:15,411 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:02:17,505 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:02:17,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:38,424 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:02:38,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-18 09:02:38,533 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-18 09:02:38,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:38,535 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 09:02:38,536 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 09:02:38,541 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 09:02:38,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:38,548 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:02:38,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:38,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:38,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:02:38,548 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:38,549 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-18 09:02:38,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:02:38,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:02:38,559 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 09:02:38,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:02:38,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:02:38,560 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 09:02:38,561 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 09:02:38,563 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 09:02:38,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:02:38,571 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:02:38,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:02:38,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:02:38,571 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:02:38,571 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-18 09:02:41,425 INFO L401 nArgumentSynthesizer]: We have 2000 Motzkin's Theorem applications. [2023-02-18 09:02:41,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:03:58,617 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:03:58,796 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 09:03:58,796 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-18 09:03:58,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:03:58,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:03:58,798 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 09:03:58,799 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 09:03:58,805 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 09:03:58,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:03:58,811 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:03:58,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:03:58,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:03:58,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:03:58,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:03:58,812 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-18 09:03:58,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:03:58,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:03:58,819 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 09:03:58,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:03:58,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:03:58,821 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 09:03:58,822 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 09:03:58,824 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 09:03:58,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:03:58,831 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-18 09:03:58,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:03:58,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:03:58,831 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:03:58,831 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-18 09:04:00,764 INFO L401 nArgumentSynthesizer]: We have 1600 Motzkin's Theorem applications. [2023-02-18 09:04:00,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:04:11,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:04:11,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-18 09:04:11,190 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-18 09:04:11,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:04:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:04:11,192 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:04:11,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-18 09:04:11,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:04:11,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:04:11,201 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:04:11,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:04:11,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:04:11,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:04:11,202 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-18 09:04:11,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-18 09:04:11,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:04:11,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:04:11,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-02-18 09:04:11,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:04:11,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:04:11,216 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:04:11,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-18 09:04:11,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-18 09:04:11,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-18 09:04:11,227 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-18 09:04:11,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:04:11,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:04:11,228 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:04:11,228 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-18 09:04:14,320 INFO L401 nArgumentSynthesizer]: We have 2400 Motzkin's Theorem applications. [2023-02-18 09:04:14,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:02,628 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-18 09:05:02,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:02,777 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:05:02,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:05:02,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:05:02,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:05:02,778 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-18 09:05:02,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:02,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:05:02,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:05:02,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration2_Lasso [2023-02-18 09:05:02,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:05:02,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:05:02,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:02,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:02,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:02,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:02,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:02,788 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:05:02,906 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:05:02,906 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-18 09:05:02,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:02,908 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:02,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-18 09:05:02,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-18 09:05:02,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:05:03,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:03,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:03,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:03,435 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:03,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-18 09:05:03,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-18 09:05:03,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-18 09:05:05,143 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-18 09:05:05,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:05,162 INFO L210 LassoAnalysis]: Preferences: [2023-02-18 09:05:05,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-18 09:05:05,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-18 09:05:05,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-18 09:05:05,162 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-18 09:05:05,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:05,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-18 09:05:05,163 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-18 09:05:05,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra5-both-t.c_Iteration2_Lasso [2023-02-18 09:05:05,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-18 09:05:05,163 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-18 09:05:05,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:05,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:05,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:05,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:05,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-18 09:05:05,174 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-18 09:05:05,243 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-18 09:05:05,243 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-18 09:05:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:05,245 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:05,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-18 09:05:05,249 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 09:05:05,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:05,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:05,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:05,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:05,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:05:05,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:05:05,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:05,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:05,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:05,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:05,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:05,276 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:05,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-18 09:05:05,280 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 09:05:05,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:05,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:05,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:05,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:05,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:05:05,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:05:05,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:05,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:05,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-02-18 09:05:05,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:05,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:05,310 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:05,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-18 09:05:05,314 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 09:05:05,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:05,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-18 09:05:05,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:05,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-18 09:05:05,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-18 09:05:05,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-18 09:05:05,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-18 09:05:05,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-18 09:05:05,340 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 09:05:05,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-18 09:05:05,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 09:05:05,342 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-18 09:05:05,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-18 09:05:05,345 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 09:05:05,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-18 09:05:05,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-18 09:05:05,352 INFO L204 nArgumentSynthesizer]: 400 loop disjuncts [2023-02-18 09:05:05,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.