./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra6-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/dijkstra6-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 e21b4199c3fe8b9eec53c5f972ceafe7de5c48cca9350646a76586e219a0fd70 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-19 00:20:17,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-19 00:20:17,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-19 00:20:17,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-19 00:20:17,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-19 00:20:17,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-19 00:20:17,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-19 00:20:17,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-19 00:20:17,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-19 00:20:17,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-19 00:20:17,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-19 00:20:17,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-19 00:20:17,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-19 00:20:17,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-19 00:20:17,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-19 00:20:17,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-19 00:20:17,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-19 00:20:17,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-19 00:20:17,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-19 00:20:17,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-19 00:20:17,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-19 00:20:17,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-19 00:20:17,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-19 00:20:17,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-19 00:20:17,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-19 00:20:17,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-19 00:20:17,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-19 00:20:17,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-19 00:20:17,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-19 00:20:17,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-19 00:20:17,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-19 00:20:17,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-19 00:20:17,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-19 00:20:17,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-19 00:20:17,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-19 00:20:17,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-19 00:20:17,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-19 00:20:17,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-19 00:20:17,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-19 00:20:17,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-19 00:20:17,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-19 00:20:17,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-19 00:20:17,936 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-19 00:20:17,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-19 00:20:17,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-19 00:20:17,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-19 00:20:17,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-19 00:20:17,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-19 00:20:17,938 INFO L138 SettingsManager]: * Use SBE=true [2023-02-19 00:20:17,939 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-19 00:20:17,939 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-19 00:20:17,939 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-19 00:20:17,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-19 00:20:17,940 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-19 00:20:17,940 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-19 00:20:17,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-19 00:20:17,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-19 00:20:17,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-19 00:20:17,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-19 00:20:17,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-19 00:20:17,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-19 00:20:17,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-19 00:20:17,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-19 00:20:17,944 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-19 00:20:17,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e21b4199c3fe8b9eec53c5f972ceafe7de5c48cca9350646a76586e219a0fd70 [2023-02-19 00:20:18,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-19 00:20:18,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-19 00:20:18,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-19 00:20:18,240 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-19 00:20:18,240 INFO L275 PluginConnector]: CDTParser initialized [2023-02-19 00:20:18,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra6-both-t.c [2023-02-19 00:20:19,405 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-19 00:20:19,559 INFO L351 CDTParser]: Found 1 translation units. [2023-02-19 00:20:19,560 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra6-both-t.c [2023-02-19 00:20:19,564 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483462c07/f4c54e0030ea455db6d30ed0cad119df/FLAG87c208317 [2023-02-19 00:20:19,576 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/483462c07/f4c54e0030ea455db6d30ed0cad119df [2023-02-19 00:20:19,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-19 00:20:19,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-19 00:20:19,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-19 00:20:19,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-19 00:20:19,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-19 00:20:19,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a47b599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19, skipping insertion in model container [2023-02-19 00:20:19,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-19 00:20:19,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-19 00:20:19,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:20:19,698 INFO L203 MainTranslator]: Completed pre-run [2023-02-19 00:20:19,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:20:19,717 INFO L208 MainTranslator]: Completed translation [2023-02-19 00:20:19,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19 WrapperNode [2023-02-19 00:20:19,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-19 00:20:19,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-19 00:20:19,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-19 00:20:19,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-19 00:20:19,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,740 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-02-19 00:20:19,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-19 00:20:19,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-19 00:20:19,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-19 00:20:19,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-19 00:20:19,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-19 00:20:19,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-19 00:20:19,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-19 00:20:19,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-19 00:20:19,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (1/1) ... [2023-02-19 00:20:19,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:19,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:19,783 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) [2023-02-19 00:20:19,789 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 [2023-02-19 00:20:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-19 00:20:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-19 00:20:19,854 INFO L235 CfgBuilder]: Building ICFG [2023-02-19 00:20:19,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-19 00:20:19,938 INFO L276 CfgBuilder]: Performing block encoding [2023-02-19 00:20:19,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-19 00:20:19,943 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-19 00:20:19,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:20:19 BoogieIcfgContainer [2023-02-19 00:20:19,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-19 00:20:19,946 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-19 00:20:19,946 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-19 00:20:19,949 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-19 00:20:19,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:20:19,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.02 12:20:19" (1/3) ... [2023-02-19 00:20:19,951 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bd0e304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:20:19, skipping insertion in model container [2023-02-19 00:20:19,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:20:19,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:20:19" (2/3) ... [2023-02-19 00:20:19,952 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bd0e304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:20:19, skipping insertion in model container [2023-02-19 00:20:19,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:20:19,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:20:19" (3/3) ... [2023-02-19 00:20:19,953 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra6-both-t.c [2023-02-19 00:20:20,001 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-19 00:20:20,002 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-19 00:20:20,002 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-19 00:20:20,002 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-19 00:20:20,002 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-19 00:20:20,002 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-19 00:20:20,002 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-19 00:20:20,003 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-19 00:20:20,007 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) [2023-02-19 00:20:20,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:20:20,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:20:20,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:20:20,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-19 00:20:20,024 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:20:20,024 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-19 00:20:20,024 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) [2023-02-19 00:20:20,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:20:20,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:20:20,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:20:20,026 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-19 00:20:20,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:20:20,033 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1, main_~c~0#1, main_~k~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0;main_~c~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L33-2true [2023-02-19 00:20:20,034 INFO L750 eck$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 [2023-02-19 00:20:20,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:20,041 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-19 00:20:20,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:20:20,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503560917] [2023-02-19 00:20:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:20,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:20:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:20,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:20:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:20,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:20:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-19 00:20:20,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:20:20,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250304407] [2023-02-19 00:20:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:20:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:20,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:20:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:20,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:20:20,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:20,168 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-19 00:20:20,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:20:20,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816455277] [2023-02-19 00:20:20,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:20,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:20:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:20,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:20:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:20,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:20:20,243 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:20:20,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:20:20,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:20:20,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:20:20,245 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:20:20,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:20,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:20:20,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:20:20,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra6-both-t.c_Iteration1_Lasso [2023-02-19 00:20:20,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:20:20,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:20:20,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:20,305 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:20:20,310 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:20:20,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:20,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:20,343 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) [2023-02-19 00:20:20,349 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 [2023-02-19 00:20:20,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:20:20,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:20:20,387 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 [2023-02-19 00:20:20,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:20,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:20,390 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) [2023-02-19 00:20:20,398 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 [2023-02-19 00:20:20,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:20:20,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:20:32,537 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-19 00:20:32,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-02-19 00:20:32,564 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:20:32,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:20:32,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:20:32,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:20:32,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:20:32,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:32,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:20:32,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:20:32,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra6-both-t.c_Iteration1_Lasso [2023-02-19 00:20:32,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:20:32,565 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:20:32,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:32,583 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:20:32,586 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:20:32,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:32,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:32,589 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) [2023-02-19 00:20:32,593 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 [2023-02-19 00:20:32,597 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 [2023-02-19 00:20:32,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:32,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:32,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:20:32,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:20:32,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:20:32,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:20:32,641 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:20:32,651 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:20:32,651 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-19 00:20:32,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:32,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:32,695 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) [2023-02-19 00:20:32,697 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 [2023-02-19 00:20:32,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:20:32,708 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:20:32,709 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:20:32,710 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] [2023-02-19 00:20:32,713 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2023-02-19 00:20:32,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-19 00:20:32,722 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:20:32,789 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 [2023-02-19 00:20:32,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:20:32,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-19 00:20:32,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:20:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:20:32,861 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:20:32,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:20:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:20:32,890 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 [2023-02-19 00:20:32,892 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) [2023-02-19 00:20:32,932 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. [2023-02-19 00:20:32,935 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 [2023-02-19 00:20:32,939 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) [2023-02-19 00:20:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-02-19 00:20:32,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-19 00:20:32,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:20:32,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-19 00:20:32,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:20:32,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-19 00:20:32,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:20:32,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-02-19 00:20:32,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:20:32,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 12 transitions. [2023-02-19 00:20:32,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-19 00:20:32,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-19 00:20:32,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-19 00:20:32,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-19 00:20:32,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-19 00:20:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-19 00:20:32,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-02-19 00:20:32,972 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) [2023-02-19 00:20:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-02-19 00:20:32,974 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-19 00:20:32,974 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-19 00:20:32,974 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-19 00:20:32,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2023-02-19 00:20:32,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-19 00:20:32,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:20:32,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:20:32,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-19 00:20:32,975 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:20:32,976 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 [2023-02-19 00:20:32,976 INFO L750 eck$LassoCheckResult]: Loop: 89#L40-1 assume !!(main_~p~0#1 * main_~p~0#1 - main_~n~0#1 * main_~q~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 [2023-02-19 00:20:32,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:32,976 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-19 00:20:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:20:32,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850492576] [2023-02-19 00:20:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:32,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:20:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:32,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:20:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:32,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:20:32,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:32,987 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-02-19 00:20:32,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:20:32,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465786932] [2023-02-19 00:20:32,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:20:32,992 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-19 00:20:32,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909334952] [2023-02-19 00:20:32,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:32,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-19 00:20:32,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:33,008 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) [2023-02-19 00:20:33,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-19 00:20:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:33,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:20:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:33,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:20:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:20:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1806977331, now seen corresponding path program 1 times [2023-02-19 00:20:33,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:20:33,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179209896] [2023-02-19 00:20:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:20:33,042 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-19 00:20:33,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412415080] [2023-02-19 00:20:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:20:33,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-19 00:20:33,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:33,057 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) [2023-02-19 00:20:33,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-19 00:20:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:33,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:20:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:20:33,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:20:33,146 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:20:33,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:20:33,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:20:33,146 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:20:33,149 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:20:33,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:33,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:20:33,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:20:33,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra6-both-t.c_Iteration2_Loop [2023-02-19 00:20:33,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:20:33,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:20:33,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:33,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:33,168 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-19 00:20:33,342 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:20:33,342 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:20:33,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:33,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:33,347 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) [2023-02-19 00:20:33,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:20:33,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:20:33,396 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 [2023-02-19 00:20:33,844 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 [2023-02-19 00:20:33,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:33,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:33,846 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) [2023-02-19 00:20:33,861 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 [2023-02-19 00:20:33,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:20:33,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:20:35,199 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:20:35,217 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 [2023-02-19 00:20:35,218 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:20:35,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:20:35,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:20:35,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:20:35,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:20:35,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:35,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:20:35,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:20:35,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra6-both-t.c_Iteration2_Loop [2023-02-19 00:20:35,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:20:35,218 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:20:35,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:35,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:20:35,229 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-19 00:20:35,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:20:35,325 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:20:35,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:35,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:35,326 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) [2023-02-19 00:20:35,340 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 [2023-02-19 00:20:35,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:35,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:35,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:35,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:20:35,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:20:35,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:20:35,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:35,351 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 [2023-02-19 00:20:35,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:35,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-19 00:20:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:35,376 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) [2023-02-19 00:20:35,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:20:35,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:35,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:35,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:35,389 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:20:35,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:20:35,438 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 [2023-02-19 00:20:36,167 INFO L401 nArgumentSynthesizer]: We have 512 Motzkin's Theorem applications. [2023-02-19 00:20:36,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:37,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:37,378 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 [2023-02-19 00:20:37,379 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-19 00:20:37,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:37,380 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:20:37,384 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 [2023-02-19 00:20:37,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:20:37,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:37,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:37,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:37,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:20:37,392 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-19 00:20:37,393 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-19 00:20:37,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:37,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:37,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-19 00:20:37,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:37,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:37,408 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) [2023-02-19 00:20:37,410 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 [2023-02-19 00:20:37,411 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 [2023-02-19 00:20:37,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:37,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:37,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:37,419 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:20:37,419 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-19 00:20:38,376 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-19 00:20:38,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:40,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:40,709 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 [2023-02-19 00:20:40,709 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-19 00:20:40,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:40,711 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) [2023-02-19 00:20:40,713 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 [2023-02-19 00:20:40,714 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 [2023-02-19 00:20:40,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:40,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:40,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:40,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:20:40,724 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-19 00:20:40,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-19 00:20:40,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:40,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:40,729 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 [2023-02-19 00:20:40,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:40,733 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) [2023-02-19 00:20:40,735 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 [2023-02-19 00:20:40,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:20:40,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:40,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:40,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:40,763 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:20:40,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-19 00:20:41,954 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-19 00:20:41,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:45,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:45,557 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 [2023-02-19 00:20:45,557 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-19 00:20:45,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:45,566 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) [2023-02-19 00:20:45,570 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 [2023-02-19 00:20:45,571 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 [2023-02-19 00:20:45,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:45,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:45,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:45,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:20:45,578 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-19 00:20:45,582 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-19 00:20:45,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:45,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:45,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-19 00:20:45,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:45,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:45,589 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) [2023-02-19 00:20:45,591 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 [2023-02-19 00:20:45,592 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 [2023-02-19 00:20:45,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:20:45,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:45,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:45,600 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:20:45,600 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-19 00:20:47,001 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-19 00:20:47,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:51,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:51,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-19 00:20:51,457 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-19 00:20:51,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:51,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:51,458 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) [2023-02-19 00:20:51,460 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 [2023-02-19 00:20:51,461 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 [2023-02-19 00:20:51,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:20:51,468 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-19 00:20:51,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:51,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:51,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:20:51,468 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-19 00:20:51,482 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-02-19 00:20:51,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:20:51,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:20:51,492 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 [2023-02-19 00:20:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:20:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:20:51,493 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) [2023-02-19 00:20:51,495 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 [2023-02-19 00:20:51,496 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 [2023-02-19 00:20:51,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:20:51,503 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-19 00:20:51,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:20:51,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:20:51,503 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:20:51,503 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-19 00:20:52,484 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-19 00:20:52,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:01,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:21:01,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-19 00:21:01,831 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-19 00:21:01,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:01,832 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) [2023-02-19 00:21:01,835 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 [2023-02-19 00:21:01,835 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 [2023-02-19 00:21:01,841 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:01,842 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-19 00:21:01,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:01,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:01,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:21:01,842 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-19 00:21:01,843 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-19 00:21:01,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:01,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:21:01,849 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 [2023-02-19 00:21:01,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:01,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:01,852 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) [2023-02-19 00:21:01,854 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 [2023-02-19 00:21:01,855 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 [2023-02-19 00:21:01,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:01,864 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-19 00:21:01,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:01,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:01,864 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:21:01,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-19 00:21:03,209 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-19 00:21:03,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:17,417 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-19 00:21:17,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-19 00:21:17,502 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-19 00:21:17,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:17,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:17,503 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) [2023-02-19 00:21:17,505 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 [2023-02-19 00:21:17,510 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 [2023-02-19 00:21:17,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:17,517 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-19 00:21:17,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:17,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:17,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:21:17,517 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-19 00:21:17,518 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-02-19 00:21:17,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:17,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:21:17,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-19 00:21:17,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:17,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:17,541 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) [2023-02-19 00:21:17,543 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 [2023-02-19 00:21:17,545 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 [2023-02-19 00:21:17,552 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:17,553 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-19 00:21:17,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:17,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:17,553 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:21:17,553 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-19 00:21:19,501 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-19 00:21:19,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:47,667 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-19 00:21:47,771 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 [2023-02-19 00:21:47,771 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-19 00:21:47,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:47,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:47,773 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) [2023-02-19 00:21:47,775 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 [2023-02-19 00:21:47,780 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 [2023-02-19 00:21:47,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:47,786 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-19 00:21:47,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:47,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:47,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:21:47,787 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-19 00:21:47,788 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-19 00:21:47,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:47,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:21:47,805 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 [2023-02-19 00:21:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:47,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:47,807 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) [2023-02-19 00:21:47,809 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 [2023-02-19 00:21:47,810 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 [2023-02-19 00:21:47,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:47,816 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-19 00:21:47,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:47,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:47,817 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:21:47,817 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-19 00:21:48,932 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-19 00:21:48,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:57,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:21:57,197 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 [2023-02-19 00:21:57,197 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-19 00:21:57,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:57,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:57,199 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) [2023-02-19 00:21:57,201 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 [2023-02-19 00:21:57,203 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 [2023-02-19 00:21:57,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:57,209 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-19 00:21:57,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:57,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:57,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:21:57,210 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-19 00:21:57,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:21:57,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:21:57,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:21:57,230 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 [2023-02-19 00:21:57,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:21:57,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:21:57,231 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) [2023-02-19 00:21:57,234 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 [2023-02-19 00:21:57,235 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 [2023-02-19 00:21:57,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-19 00:21:57,242 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-19 00:21:57,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:21:57,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:21:57,242 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:21:57,242 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-19 00:21:59,203 INFO L401 nArgumentSynthesizer]: We have 1536 Motzkin's Theorem applications. [2023-02-19 00:21:59,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:22:17,870 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-19 00:22:17,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-02-19 00:22:17,966 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:22:17,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:22:17,966 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:22:17,966 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:22:17,966 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:22:17,966 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:17,966 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:22:17,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:22:17,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra6-both-t.c_Iteration2_Lasso [2023-02-19 00:22:17,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:22:17,966 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:22:17,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:17,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:17,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:17,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:17,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:17,977 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-19 00:22:18,131 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:22:18,132 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:22:18,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:18,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:22:18,133 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) [2023-02-19 00:22:18,137 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 [2023-02-19 00:22:18,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:22:18,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:22:18,436 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 [2023-02-19 00:22:18,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:18,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:22:18,441 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) [2023-02-19 00:22:18,444 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 [2023-02-19 00:22:18,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:22:18,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:22:19,656 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:22:19,671 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 [2023-02-19 00:22:19,671 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:22:19,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:22:19,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:22:19,671 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:22:19,671 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:22:19,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:19,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:22:19,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:22:19,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra6-both-t.c_Iteration2_Lasso [2023-02-19 00:22:19,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:22:19,672 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:22:19,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:19,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:19,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:19,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:19,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:22:19,683 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-19 00:22:19,797 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:22:19,797 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:22:19,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:19,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:22:19,799 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) [2023-02-19 00:22:19,801 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 [2023-02-19 00:22:19,802 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 [2023-02-19 00:22:19,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:22:19,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:22:19,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:22:19,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:22:19,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:22:19,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:22:19,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:22:19,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:22:19,830 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 [2023-02-19 00:22:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:22:19,832 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) [2023-02-19 00:22:19,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:22:19,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:22:19,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:22:19,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:22:19,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:22:19,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:22:19,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:22:19,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:22:19,849 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 [2023-02-19 00:22:19,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:22:19,854 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 [2023-02-19 00:22:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:22:19,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:22:19,856 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) [2023-02-19 00:22:19,861 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 [2023-02-19 00:22:19,862 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 [2023-02-19 00:22:19,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:22:19,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:22:19,868 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-19 00:22:19,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.