./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra3-both-t.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/dijkstra3-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1a3c5687c58d1196c2e28c7e8ec3d33a3228b64f25cd4e398075b5e3a9a293e7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 09:44:28,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:44:28,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:44:28,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:44:28,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:44:28,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:44:28,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:44:28,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:44:28,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:44:28,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:44:28,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:44:28,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:44:28,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:44:28,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:44:28,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:44:28,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:44:28,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:44:28,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:44:28,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:44:28,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:44:28,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:44:28,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:44:28,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:44:28,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:44:28,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:44:28,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:44:28,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:44:28,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:44:28,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:44:28,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:44:28,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:44:28,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:44:28,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:44:28,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:44:28,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:44:28,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:44:28,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:44:28,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:44:28,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:44:28,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:44:29,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:44:29,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 09:44:29,037 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:44:29,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:44:29,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:44:29,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:44:29,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:44:29,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:44:29,041 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:44:29,041 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 09:44:29,041 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 09:44:29,042 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 09:44:29,042 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 09:44:29,042 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 09:44:29,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 09:44:29,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 09:44:29,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 09:44:29,044 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 09:44:29,044 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:44:29,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 09:44:29,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:44:29,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:44:29,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:44:29,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 09:44:29,045 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 09:44:29,046 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a3c5687c58d1196c2e28c7e8ec3d33a3228b64f25cd4e398075b5e3a9a293e7 [2023-02-17 09:44:29,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:44:29,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:44:29,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:44:29,309 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:44:29,310 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:44:29,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra3-both-t.c [2023-02-17 09:44:30,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:44:30,570 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:44:30,571 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra3-both-t.c [2023-02-17 09:44:30,576 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8457c3b04/8ebac3fcedb34438bea0796c2d8d6f74/FLAG3943fde48 [2023-02-17 09:44:30,591 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8457c3b04/8ebac3fcedb34438bea0796c2d8d6f74 [2023-02-17 09:44:30,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:44:30,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:44:30,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:44:30,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:44:30,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:44:30,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1c1b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30, skipping insertion in model container [2023-02-17 09:44:30,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:44:30,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:44:30,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:44:30,734 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 09:44:30,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:44:30,758 INFO L208 MainTranslator]: Completed translation [2023-02-17 09:44:30,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30 WrapperNode [2023-02-17 09:44:30,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:44:30,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 09:44:30,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 09:44:30,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 09:44:30,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,783 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-17 09:44:30,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 09:44:30,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 09:44:30,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 09:44:30,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 09:44:30,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 09:44:30,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 09:44:30,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 09:44:30,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 09:44:30,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (1/1) ... [2023-02-17 09:44:30,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:30,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:30,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-17 09:44:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 09:44:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 09:44:30,899 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 09:44:30,901 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 09:44:30,988 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 09:44:30,993 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 09:44:30,994 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-17 09:44:30,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:44:30 BoogieIcfgContainer [2023-02-17 09:44:30,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 09:44:30,997 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 09:44:30,997 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 09:44:30,999 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 09:44:31,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 09:44:31,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 09:44:30" (1/3) ... [2023-02-17 09:44:31,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3f7b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 09:44:31, skipping insertion in model container [2023-02-17 09:44:31,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 09:44:31,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:30" (2/3) ... [2023-02-17 09:44:31,002 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3f7b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 09:44:31, skipping insertion in model container [2023-02-17 09:44:31,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 09:44:31,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:44:30" (3/3) ... [2023-02-17 09:44:31,003 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra3-both-t.c [2023-02-17 09:44:31,044 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 09:44:31,045 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 09:44:31,045 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 09:44:31,045 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 09:44:31,045 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 09:44:31,045 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 09:44:31,045 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 09:44:31,046 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 09:44:31,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:44:31,062 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-17 09:44:31,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:44:31,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:44:31,066 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 09:44:31,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 09:44:31,067 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 09:44:31,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:44:31,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-17 09:44:31,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:44:31,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:44:31,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 09:44:31,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 09:44:31,075 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-17 09:44:31,076 INFO L750 eck$LassoCheckResult]: Loop: 10#L33-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 10#L33-2true [2023-02-17 09:44:31,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:31,081 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-17 09:44:31,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:31,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923314452] [2023-02-17 09:44:31,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:31,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:31,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:31,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:31,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:31,178 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-17 09:44:31,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:31,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366847154] [2023-02-17 09:44:31,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:31,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:31,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:31,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:31,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:31,194 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-17 09:44:31,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:31,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737815884] [2023-02-17 09:44:31,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:31,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:31,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:31,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:31,284 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:31,284 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:31,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:31,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:31,285 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 09:44:31,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:31,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:31,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:31,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration1_Lasso [2023-02-17 09:44:31,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:31,286 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:31,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:31,328 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:31,337 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 09:44:31,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:31,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:31,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:31,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-17 09:44:31,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:31,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:31,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:31,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:31,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:31,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-17 09:44:31,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 09:44:31,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:43,548 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-17 09:44:43,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-17 09:44:43,569 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:43,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:43,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:43,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:43,569 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 09:44:43,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:43,569 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:43,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:43,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration1_Lasso [2023-02-17 09:44:43,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:43,570 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:43,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:43,599 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 09:44:43,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:43,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:43,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-17 09:44:43,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:43,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:43,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:43,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:43,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:43,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 09:44:43,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 09:44:43,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 09:44:43,661 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-17 09:44:43,662 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-17 09:44:43,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:43,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:43,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:43,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-17 09:44:43,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 09:44:43,726 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-17 09:44:43,727 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 09:44:43,727 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 + 5*ULTIMATE.start_main_~n~0#1 Supporting invariants [1*ULTIMATE.start_main_~q~0#1 - 1 >= 0] [2023-02-17 09:44:43,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:43,735 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-17 09:44:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:44:43,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 09:44:43,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 09:44:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:44:43,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 09:44:43,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 09:44:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:44:43,842 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-17 09:44:43,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:44:43,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 6 states. [2023-02-17 09:44:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-17 09:44:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:44:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-17 09:44:43,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-17 09:44:43,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 09:44:43,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-17 09:44:43,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 09:44:43,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-17 09:44:43,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 09:44:43,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-17 09:44:43,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 09:44:43,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-17 09:44:43,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-17 09:44:43,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-17 09:44:43,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-17 09:44:43,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 09:44:43,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 09:44:43,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-17 09:44:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-17 09:44:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:44:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-17 09:44:43,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 09:44:43,957 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 09:44:43,957 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 09:44:43,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-17 09:44:43,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-17 09:44:43,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:44:43,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:44:43,960 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-17 09:44:43,960 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-17 09:44:43,960 INFO L748 eck$LassoCheckResult]: Stem: 92#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 93#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 90#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 91#L33-2 assume !(main_~q~0#1 <= main_~n~0#1); 89#L40-1 [2023-02-17 09:44:43,961 INFO L750 eck$LassoCheckResult]: Loop: 89#L40-1 assume !!(main_~h~0#1 * main_~h~0#1 * main_~h~0#1 - 12 * main_~h~0#1 * main_~n~0#1 * main_~q~0#1 + 16 * main_~n~0#1 * main_~p~0#1 * main_~q~0#1 - main_~h~0#1 * main_~q~0#1 * main_~q~0#1 - 4 * main_~p~0#1 * main_~q~0#1 * main_~q~0#1 + 12 * main_~h~0#1 * main_~q~0#1 * main_~r~0#1 - 16 * main_~p~0#1 * main_~q~0#1 * main_~r~0#1 + main_~c~0#1 <= main_~k~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 87#L54 assume !(main_~r~0#1 >= main_~h~0#1); 88#L54-2 main_#t~post2#1 := main_~c~0#1;main_~c~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 89#L40-1 [2023-02-17 09:44:43,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-17 09:44:43,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:43,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706919638] [2023-02-17 09:44:43,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:43,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:43,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:43,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:43,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:43,991 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-17 09:44:43,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:43,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266529760] [2023-02-17 09:44:43,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:43,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:44,008 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 09:44:44,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [732475312] [2023-02-17 09:44:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:44,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 09:44:44,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:44,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 09:44:44,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 09:44:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:44,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:44,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:44,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-17 09:44:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:44,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836501591] [2023-02-17 09:44:44,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:44,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 09:44:44,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [105399864] [2023-02-17 09:44:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 09:44:44,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:44,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 09:44:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:44,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:44,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 09:44:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:44,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:44,124 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:44,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:44,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:44,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:44,125 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 09:44:44,125 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:44,125 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:44,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:44,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Loop [2023-02-17 09:44:44,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:44,126 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:44,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:44,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:44,137 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:44:44,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-17 09:44:44,419 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:44,419 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 09:44:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:44,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:44,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:44,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:44,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-17 09:44:44,445 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 09:44:44,445 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-17 09:44:44,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:44,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:44,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:44,455 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:44,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:44,462 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:44,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-17 09:44:44,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:44,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:44,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:44,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:44,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 09:44:44,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:44,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-17 09:44:46,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 09:44:46,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:46,384 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:46,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:46,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:46,384 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:46,384 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 09:44:46,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:46,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:46,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:46,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Loop [2023-02-17 09:44:46,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:46,385 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:46,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:46,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:46,398 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:44:46,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:46,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 09:44:46,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:46,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:46,514 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:46,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-17 09:44:46,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:46,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:46,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:46,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:46,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:46,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:46,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 09:44:46,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:46,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:46,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:46,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:46,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:46,553 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:46,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:46,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:46,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:46,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:46,568 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:46,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:46,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-17 09:44:47,333 INFO L401 nArgumentSynthesizer]: We have 512 Motzkin's Theorem applications. [2023-02-17 09:44:47,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:48,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:48,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-17 09:44:48,553 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 09:44:48,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:48,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:48,554 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:48,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-17 09:44:48,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:48,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:48,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:48,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:48,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:48,565 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:44:48,577 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-17 09:44:48,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:48,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:48,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:48,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:48,600 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:48,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-17 09:44:48,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:48,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:48,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:48,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:48,613 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:48,613 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:44:49,553 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-17 09:44:49,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:51,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:51,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:51,727 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 09:44:51,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:51,728 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:51,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-17 09:44:51,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:51,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:51,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:51,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:51,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:51,739 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:44:51,740 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 09:44:51,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:51,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:51,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:51,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:51,746 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:51,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-17 09:44:51,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:51,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:51,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:51,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:51,759 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:51,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:44:52,925 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:44:52,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:55,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:55,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:55,930 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 09:44:55,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:55,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:55,931 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:55,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-17 09:44:55,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:55,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:55,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:55,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:55,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:55,941 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:44:55,942 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-17 09:44:55,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:55,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:55,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:55,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:55,949 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:55,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-17 09:44:55,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:55,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:55,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:55,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:55,959 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:55,959 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:44:57,468 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-17 09:44:57,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:01,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:01,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-17 09:45:01,993 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 09:45:01,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:01,994 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:01,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-17 09:45:01,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:02,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:02,003 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:45:02,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:02,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:02,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:45:02,004 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:45:02,004 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-17 09:45:02,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:02,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:02,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-02-17 09:45:02,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:02,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:02,009 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:02,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-17 09:45:02,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:02,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:02,019 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:45:02,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:02,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:02,019 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:02,019 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:45:02,963 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-17 09:45:02,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:08,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:08,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-17 09:45:08,707 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 09:45:08,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:08,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:08,708 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:08,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-17 09:45:08,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:08,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:08,717 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 09:45:08,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:08,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:08,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:45:08,717 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:45:08,718 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 09:45:08,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:08,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:08,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-17 09:45:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:08,724 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:08,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-17 09:45:08,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:08,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:08,734 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 09:45:08,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:08,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:08,734 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:08,734 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:45:10,034 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:45:10,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:23,870 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:45:23,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-17 09:45:23,942 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 09:45:23,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:23,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:23,943 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:23,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-17 09:45:23,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:23,957 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:23,957 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:45:23,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:23,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:23,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:45:23,957 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:45:23,958 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-17 09:45:23,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:23,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:23,964 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 [2023-02-17 09:45:23,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:23,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:23,965 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:23,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-17 09:45:23,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:23,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:23,977 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:45:23,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:23,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:23,978 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:23,978 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:45:25,668 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-17 09:45:25,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:01,905 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:46:02,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:02,007 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-17 09:46:02,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:02,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:02,008 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:02,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-17 09:46:02,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:02,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:02,021 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:46:02,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:02,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:02,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:46:02,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:46:02,022 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-17 09:46:02,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:02,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:02,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:02,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:02,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:02,029 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:02,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-17 09:46:02,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:02,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:02,039 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:46:02,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:02,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:02,039 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:02,039 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:46:03,271 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:46:03,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:08,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:08,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:08,351 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-17 09:46:08,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:08,352 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:08,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-17 09:46:08,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:08,362 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:08,362 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:46:08,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:08,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:08,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:46:08,362 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 09:46:08,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 09:46:08,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:08,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:08,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:08,370 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:08,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-17 09:46:08,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:08,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:08,380 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:46:08,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:08,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:08,380 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:08,380 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 09:46:10,289 INFO L401 nArgumentSynthesizer]: We have 1536 Motzkin's Theorem applications. [2023-02-17 09:46:10,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:24,505 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:46:24,595 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 [2023-02-17 09:46:24,601 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:46:24,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:46:24,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:46:24,601 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:46:24,601 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 09:46:24,601 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:24,601 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:46:24,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:46:24,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Lasso [2023-02-17 09:46:24,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:46:24,602 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:46:24,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:24,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:24,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:24,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:24,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:24,612 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:46:24,679 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:46:24,679 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 09:46:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:24,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:24,681 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) [2023-02-17 09:46:24,685 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 [2023-02-17 09:46:24,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:46:24,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:46:24,986 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 [2023-02-17 09:46:24,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:24,989 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) [2023-02-17 09:46:24,991 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 [2023-02-17 09:46:24,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 09:46:24,993 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:46:26,029 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 09:46:26,041 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 [2023-02-17 09:46:26,041 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:46:26,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:46:26,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:46:26,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:46:26,042 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 09:46:26,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:26,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:46:26,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:46:26,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra3-both-t.c_Iteration2_Lasso [2023-02-17 09:46:26,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:46:26,042 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:46:26,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:26,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:26,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:26,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:26,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:26,052 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:46:26,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:46:26,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 09:46:26,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:26,157 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) [2023-02-17 09:46:26,160 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 [2023-02-17 09:46:26,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:26,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:26,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:26,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:26,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:46:26,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:46:26,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 09:46:26,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:26,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:26,182 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 [2023-02-17 09:46:26,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:26,183 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) [2023-02-17 09:46:26,185 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 [2023-02-17 09:46:26,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:26,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:26,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:26,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:26,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:46:26,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:46:26,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 09:46:26,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:26,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:26,214 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 [2023-02-17 09:46:26,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:26,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:26,215 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) [2023-02-17 09:46:26,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:26,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:26,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:26,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:26,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:46:26,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:46:26,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 09:46:26,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:26,237 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 [2023-02-17 09:46:26,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:26,259 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 [2023-02-17 09:46:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:26,260 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) [2023-02-17 09:46:26,267 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 [2023-02-17 09:46:26,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:26,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:26,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:26,273 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:26,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.