./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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/dijkstra1-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 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 03:10:31,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 03:10:31,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 03:10:31,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 03:10:31,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 03:10:31,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 03:10:31,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 03:10:31,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 03:10:31,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 03:10:31,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 03:10:31,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 03:10:31,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 03:10:31,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 03:10:31,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 03:10:31,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 03:10:31,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 03:10:31,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 03:10:31,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 03:10:31,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 03:10:31,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 03:10:31,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 03:10:31,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 03:10:31,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 03:10:31,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 03:10:31,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 03:10:31,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 03:10:31,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 03:10:31,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 03:10:31,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 03:10:31,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 03:10:31,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 03:10:31,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 03:10:31,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 03:10:31,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 03:10:31,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 03:10:31,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 03:10:31,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 03:10:31,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 03:10:31,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 03:10:31,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 03:10:31,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 03:10:31,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-14 03:10:31,979 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 03:10:31,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 03:10:31,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 03:10:31,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 03:10:31,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 03:10:31,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 03:10:31,981 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 03:10:31,981 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-14 03:10:31,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-14 03:10:31,982 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-14 03:10:31,983 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-14 03:10:31,983 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-14 03:10:31,983 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-14 03:10:31,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 03:10:31,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 03:10:31,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 03:10:31,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 03:10:31,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-14 03:10:31,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-14 03:10:31,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-14 03:10:31,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 03:10:31,984 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-14 03:10:31,985 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 03:10:31,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-14 03:10:31,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 03:10:31,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 03:10:31,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 03:10:31,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 03:10:31,988 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-14 03:10:31,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2023-02-14 03:10:32,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 03:10:32,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 03:10:32,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 03:10:32,238 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 03:10:32,238 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 03:10:32,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-02-14 03:10:33,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 03:10:33,585 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 03:10:33,585 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-02-14 03:10:33,590 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2bd0de63/d68371fea1bd42358b272ba882199558/FLAG76fff3b24 [2023-02-14 03:10:33,601 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2bd0de63/d68371fea1bd42358b272ba882199558 [2023-02-14 03:10:33,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 03:10:33,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 03:10:33,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 03:10:33,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 03:10:33,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 03:10:33,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6e6bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33, skipping insertion in model container [2023-02-14 03:10:33,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 03:10:33,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 03:10:33,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:10:33,747 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 03:10:33,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:10:33,772 INFO L208 MainTranslator]: Completed translation [2023-02-14 03:10:33,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33 WrapperNode [2023-02-14 03:10:33,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 03:10:33,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 03:10:33,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 03:10:33,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 03:10:33,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,800 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-02-14 03:10:33,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 03:10:33,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 03:10:33,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 03:10:33,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 03:10:33,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 03:10:33,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 03:10:33,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 03:10:33,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 03:10:33,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (1/1) ... [2023-02-14 03:10:33,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:33,850 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) [2023-02-14 03:10:33,852 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 [2023-02-14 03:10:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 03:10:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 03:10:33,936 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 03:10:33,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 03:10:34,078 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 03:10:34,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 03:10:34,090 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-14 03:10:34,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:10:34 BoogieIcfgContainer [2023-02-14 03:10:34,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 03:10:34,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-14 03:10:34,094 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-14 03:10:34,097 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-14 03:10:34,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:10:34,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.02 03:10:33" (1/3) ... [2023-02-14 03:10:34,100 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3546cbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.02 03:10:34, skipping insertion in model container [2023-02-14 03:10:34,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:10:34,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:33" (2/3) ... [2023-02-14 03:10:34,100 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3546cbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.02 03:10:34, skipping insertion in model container [2023-02-14 03:10:34,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:10:34,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:10:34" (3/3) ... [2023-02-14 03:10:34,102 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2023-02-14 03:10:34,194 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-14 03:10:34,195 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-14 03:10:34,195 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-14 03:10:34,195 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-14 03:10:34,196 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-14 03:10:34,196 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-14 03:10:34,196 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-14 03:10:34,196 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-14 03:10:34,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-02-14 03:10:34,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-14 03:10:34,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:10:34,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:10:34,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-14 03:10:34,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-14 03:10:34,224 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-14 03:10:34,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-02-14 03:10:34,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-14 03:10:34,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:10:34,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:10:34,227 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-14 03:10:34,227 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-14 03:10:34,234 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2023-02-14 03:10:34,234 INFO L750 eck$LassoCheckResult]: Loop: 2#L32-2true assume !!(main_~q~0#1 <= main_~n~0#1);main_~q~0#1 := 4 * main_~q~0#1; 2#L32-2true [2023-02-14 03:10:34,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-14 03:10:34,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:34,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458484804] [2023-02-14 03:10:34,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:34,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:34,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:34,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-14 03:10:34,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:34,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962030721] [2023-02-14 03:10:34,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:34,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:34,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:34,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-14 03:10:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:34,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577232917] [2023-02-14 03:10:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:34,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:34,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:34,506 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:10:34,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:10:34,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:10:34,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:10:34,508 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:10:34,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:34,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:10:34,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:10:34,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-02-14 03:10:34,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:10:34,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:10:34,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:34,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:34,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:34,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:34,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:34,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:10:34,702 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:10:34,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:34,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:34,711 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) [2023-02-14 03:10:34,719 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 [2023-02-14 03:10:34,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:34,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:34,746 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:10:34,746 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-14 03:10:34,753 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 [2023-02-14 03:10:34,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:34,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:34,755 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) [2023-02-14 03:10:34,773 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 [2023-02-14 03:10:34,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:34,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:34,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:10:34,783 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-14 03:10:34,788 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 [2023-02-14 03:10:34,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:34,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:34,790 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) [2023-02-14 03:10:34,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:34,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:34,801 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 [2023-02-14 03:10:34,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-14 03:10:34,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:34,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:34,822 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) [2023-02-14 03:10:34,824 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 [2023-02-14 03:10:34,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:10:34,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:46,935 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-14 03:10:46,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-14 03:10:46,956 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:10:46,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:10:46,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:10:46,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:10:46,957 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:10:46,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:46,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:10:46,957 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:10:46,957 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-02-14 03:10:46,957 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:10:46,957 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:10:46,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:46,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:46,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:46,974 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:46,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:47,063 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:10:47,067 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:10:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:47,073 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2023-02-14 03:10:47,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-14 03:10:47,081 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 [2023-02-14 03:10:47,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:47,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:47,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:47,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:47,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:47,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:10:47,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:47,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:47,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-14 03:10:47,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:47,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:47,111 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2023-02-14 03:10:47,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-14 03:10:47,114 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 [2023-02-14 03:10:47,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:47,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:47,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:47,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:47,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:47,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:10:47,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:47,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:47,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-14 03:10:47,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:47,130 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) [2023-02-14 03:10:47,131 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 [2023-02-14 03:10:47,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-14 03:10:47,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:47,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:47,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:47,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:47,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:10:47,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:10:47,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:47,171 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 [2023-02-14 03:10:47,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:47,174 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) [2023-02-14 03:10:47,177 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 [2023-02-14 03:10:47,180 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 [2023-02-14 03:10:47,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:47,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:47,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:47,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:47,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:10:47,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:10:47,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:10:47,222 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-14 03:10:47,222 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-02-14 03:10:47,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:47,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:47,263 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) [2023-02-14 03:10:47,267 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 [2023-02-14 03:10:47,268 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:10:47,279 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2023-02-14 03:10:47,279 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:10:47,280 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0#1) = -1*ULTIMATE.start_main_~q~0#1 + 1073741824 Supporting invariants [3*ULTIMATE.start_main_~q~0#1 - 2 >= 0, -1*ULTIMATE.start_main_~n~0#1 + 1073741823 >= 0] [2023-02-14 03:10:47,284 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 [2023-02-14 03:10:47,296 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2023-02-14 03:10:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:47,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:10:47,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:10:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:47,356 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 03:10:47,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:10:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:10:47,385 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 [2023-02-14 03:10:47,387 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-02-14 03:10:47,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 30 states and 40 transitions. Complement of second has 6 states. [2023-02-14 03:10:47,440 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 [2023-02-14 03:10:47,445 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) [2023-02-14 03:10:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-02-14 03:10:47,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-14 03:10:47,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:10:47,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-14 03:10:47,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:10:47,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-14 03:10:47,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:10:47,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2023-02-14 03:10:47,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-14 03:10:47,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2023-02-14 03:10:47,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-14 03:10:47,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-14 03:10:47,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-02-14 03:10:47,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-14 03:10:47,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-14 03:10:47,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-02-14 03:10:47,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-14 03:10:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) [2023-02-14 03:10:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2023-02-14 03:10:47,478 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-14 03:10:47,478 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-14 03:10:47,479 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-14 03:10:47,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2023-02-14 03:10:47,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-14 03:10:47,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:10:47,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:10:47,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-14 03:10:47,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-14 03:10:47,481 INFO L748 eck$LassoCheckResult]: Stem: 93#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 94#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~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; 92#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; 88#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 90#L53-2 [2023-02-14 03:10:47,481 INFO L750 eck$LassoCheckResult]: Loop: 90#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~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); 91#L53 assume !(main_~r~0#1 >= main_~h~0#1); 90#L53-2 [2023-02-14 03:10:47,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-14 03:10:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:47,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109324062] [2023-02-14 03:10:47,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:47,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:47,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:47,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:47,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2023-02-14 03:10:47,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:47,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930970711] [2023-02-14 03:10:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:47,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:47,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:47,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:47,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash 889573583, now seen corresponding path program 1 times [2023-02-14 03:10:47,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:47,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797688152] [2023-02-14 03:10:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:10:47,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 03:10:47,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797688152] [2023-02-14 03:10:47,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797688152] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 03:10:47,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 03:10:47,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 03:10:47,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861519288] [2023-02-14 03:10:47,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 03:10:47,798 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:10:47,798 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:10:47,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:10:47,799 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:10:47,799 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:10:47,799 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:47,799 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:10:47,799 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:10:47,799 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-02-14 03:10:47,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:10:47,799 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:10:47,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:48,138 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-02-14 03:10:48,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-14 03:10:48,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:10:48,805 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:10:48,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:48,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:48,817 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) [2023-02-14 03:10:48,824 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 [2023-02-14 03:10:48,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:48,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:48,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-14 03:10:48,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:48,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:48,945 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) [2023-02-14 03:10:48,953 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 [2023-02-14 03:10:48,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:10:48,955 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:55,538 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:10:55,549 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 [2023-02-14 03:10:55,549 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:10:55,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:10:55,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:10:55,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:10:55,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:10:55,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:55,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:10:55,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:10:55,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-02-14 03:10:55,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:10:55,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:10:55,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:55,819 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-02-14 03:10:56,396 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:10:56,396 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:10:56,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:56,409 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) [2023-02-14 03:10:56,411 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 [2023-02-14 03:10:56,413 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 [2023-02-14 03:10:56,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:56,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:56,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:56,422 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:56,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:56,450 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-02-14 03:10:56,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:56,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:56,476 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 [2023-02-14 03:10:56,477 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-14 03:10:56,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:56,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:56,479 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) [2023-02-14 03:10:56,487 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 [2023-02-14 03:10:56,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:56,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:56,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:56,497 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:56,497 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-14 03:10:56,512 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 [2023-02-14 03:10:56,524 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-02-14 03:10:56,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:56,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:56,563 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 [2023-02-14 03:10:56,563 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-14 03:10:56,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:56,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:56,565 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) [2023-02-14 03:10:56,567 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 [2023-02-14 03:10:56,569 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 [2023-02-14 03:10:56,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:56,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:56,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:56,577 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:56,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-14 03:10:56,614 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-02-14 03:10:56,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:56,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:56,665 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 [2023-02-14 03:10:56,666 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-14 03:10:56,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:56,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:56,669 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) [2023-02-14 03:10:56,680 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 [2023-02-14 03:10:56,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:56,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:56,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:56,690 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:56,690 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-14 03:10:56,715 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 [2023-02-14 03:10:56,740 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-02-14 03:10:56,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:56,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:56,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-14 03:10:56,800 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-14 03:10:56,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:56,802 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) [2023-02-14 03:10:56,805 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 [2023-02-14 03:10:56,807 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 [2023-02-14 03:10:56,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:10:56,815 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-14 03:10:56,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:56,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:56,816 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:56,816 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-14 03:10:56,855 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-02-14 03:10:56,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:56,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:56,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-14 03:10:56,934 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-14 03:10:56,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:56,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:56,935 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) [2023-02-14 03:10:56,937 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 [2023-02-14 03:10:56,939 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 [2023-02-14 03:10:56,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:10:56,947 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-14 03:10:56,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:56,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:56,948 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:56,948 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-14 03:10:56,990 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-02-14 03:10:56,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:57,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:57,419 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 [2023-02-14 03:10:57,419 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-14 03:10:57,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:57,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:57,420 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) [2023-02-14 03:10:57,427 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 [2023-02-14 03:10:57,433 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 [2023-02-14 03:10:57,436 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:10:57,436 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-14 03:10:57,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:57,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:57,436 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:57,436 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-14 03:10:57,491 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-02-14 03:10:57,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:58,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:58,784 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 [2023-02-14 03:10:58,785 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-14 03:10:58,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:58,786 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) [2023-02-14 03:10:58,789 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 [2023-02-14 03:10:58,790 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 [2023-02-14 03:10:58,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:10:58,797 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-14 03:10:58,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:58,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:58,797 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:10:58,797 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-14 03:10:58,833 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-02-14 03:10:58,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:58,953 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:10:59,107 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-02-14 03:10:59,107 INFO L444 ModelExtractionUtils]: 2 out of 12 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-02-14 03:10:59,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:59,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:59,109 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) [2023-02-14 03:10:59,118 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:10:59,118 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:10:59,118 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:10:59,119 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(ULTIMATE.start_main_~q~0#1, ULTIMATE.start_main_~p~0#1, ULTIMATE.start_main_~r~0#1) = Supporting invariants [] [2023-02-14 03:10:59,129 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 [2023-02-14 03:10:59,129 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 [2023-02-14 03:10:59,131 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:10:59,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:59,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:10:59,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:10:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:59,161 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-14 03:10:59,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:10:59,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-14 03:11:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:11:47,397 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-14 03:11:47,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-02-14 03:11:47,416 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 11 states and 16 transitions. Complement of second has 5 states. [2023-02-14 03:11:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-14 03:11:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-02-14 03:11:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-14 03:11:47,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-14 03:11:47,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:11:47,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-14 03:11:47,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:11:47,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2023-02-14 03:11:47,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:11:47,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2023-02-14 03:11:47,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-14 03:11:47,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2023-02-14 03:11:47,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-14 03:11:47,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-14 03:11:47,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2023-02-14 03:11:47,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-14 03:11:47,420 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-02-14 03:11:47,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2023-02-14 03:11:47,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-14 03:11:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) 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) [2023-02-14 03:11:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2023-02-14 03:11:47,422 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-02-14 03:11:47,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 03:11:47,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 03:11:47,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 03:11:47,425 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-02-14 03:11:47,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 03:11:47,440 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2023-02-14 03:11:47,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2023-02-14 03:11:47,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-14 03:11:47,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 12 transitions. [2023-02-14 03:11:47,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-14 03:11:47,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-14 03:11:47,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-14 03:11:47,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-14 03:11:47,442 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-14 03:11:47,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-14 03:11:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-14 03:11:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 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) [2023-02-14 03:11:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-02-14 03:11:47,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-14 03:11:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 03:11:47,445 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-14 03:11:47,445 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-14 03:11:47,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-02-14 03:11:47,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-14 03:11:47,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:11:47,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:11:47,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-02-14 03:11:47,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-14 03:11:47,446 INFO L748 eck$LassoCheckResult]: Stem: 176#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 175#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 170#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 172#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 178#L53 assume main_~r~0#1 >= main_~h~0#1;main_~p~0#1 := main_~p~0#1 + main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~h~0#1; 173#L53-2 [2023-02-14 03:11:47,446 INFO L750 eck$LassoCheckResult]: Loop: 173#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~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); 174#L53 assume !(main_~r~0#1 >= main_~h~0#1); 173#L53-2 [2023-02-14 03:11:47,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:11:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash 889573581, now seen corresponding path program 1 times [2023-02-14 03:11:47,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:11:47,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489005769] [2023-02-14 03:11:47,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:11:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:11:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:11:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:11:47,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 03:11:47,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489005769] [2023-02-14 03:11:47,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489005769] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 03:11:47,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 03:11:47,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 03:11:47,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684556095] [2023-02-14 03:11:47,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 03:11:47,482 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-14 03:11:47,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:11:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2023-02-14 03:11:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:11:47,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813181711] [2023-02-14 03:11:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:11:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:11:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:11:47,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:11:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:11:47,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:11:47,600 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:11:47,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:11:47,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:11:47,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:11:47,600 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:11:47,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:47,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:11:47,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:11:47,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-02-14 03:11:47,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:11:47,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:11:47,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:11:47,821 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-02-14 03:11:48,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:11:48,321 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:11:48,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:48,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:48,325 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) [2023-02-14 03:11:48,326 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 [2023-02-14 03:11:48,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:11:48,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:11:48,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-14 03:11:48,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:48,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:48,444 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) [2023-02-14 03:11:48,445 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 [2023-02-14 03:11:48,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:11:48,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:11:52,176 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:11:52,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-14 03:11:52,185 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:11:52,185 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:11:52,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:11:52,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:11:52,185 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:11:52,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:52,185 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:11:52,185 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:11:52,185 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-02-14 03:11:52,185 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:11:52,185 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:11:52,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:11:52,420 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-02-14 03:11:53,002 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:11:53,002 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:11:53,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,005 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) [2023-02-14 03:11:53,008 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 [2023-02-14 03:11:53,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-14 03:11:53,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:11:53,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,020 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:11:53,035 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-02-14 03:11:53,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,065 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 [2023-02-14 03:11:53,066 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-14 03:11:53,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,067 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) [2023-02-14 03:11:53,077 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 [2023-02-14 03:11:53,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:11:53,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,086 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,086 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-14 03:11:53,104 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 [2023-02-14 03:11:53,109 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-02-14 03:11:53,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,147 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 [2023-02-14 03:11:53,148 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-14 03:11:53,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,149 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) [2023-02-14 03:11:53,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-14 03:11:53,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:11:53,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,171 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,171 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-14 03:11:53,186 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 [2023-02-14 03:11:53,201 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-02-14 03:11:53,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,249 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 [2023-02-14 03:11:53,249 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-14 03:11:53,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,251 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) [2023-02-14 03:11:53,253 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 [2023-02-14 03:11:53,255 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 [2023-02-14 03:11:53,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:11:53,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,264 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-14 03:11:53,301 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-02-14 03:11:53,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-14 03:11:53,358 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-14 03:11:53,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,361 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) [2023-02-14 03:11:53,365 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 [2023-02-14 03:11:53,369 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 [2023-02-14 03:11:53,373 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:11:53,374 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-14 03:11:53,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,374 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,374 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-14 03:11:53,399 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2023-02-14 03:11:53,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,467 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 [2023-02-14 03:11:53,467 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-14 03:11:53,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,469 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) [2023-02-14 03:11:53,472 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 [2023-02-14 03:11:53,473 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 [2023-02-14 03:11:53,482 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:11:53,482 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-14 03:11:53,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,483 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,483 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-14 03:11:53,520 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-02-14 03:11:53,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,626 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 [2023-02-14 03:11:53,626 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-14 03:11:53,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,627 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) [2023-02-14 03:11:53,636 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 [2023-02-14 03:11:53,637 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 [2023-02-14 03:11:53,647 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:11:53,647 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-14 03:11:53,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,647 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,648 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-14 03:11:53,688 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2023-02-14 03:11:53,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:53,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:11:53,929 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 [2023-02-14 03:11:53,929 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-14 03:11:53,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:53,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:53,930 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) [2023-02-14 03:11:53,932 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 [2023-02-14 03:11:53,934 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 [2023-02-14 03:11:53,941 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-14 03:11:53,941 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-14 03:11:53,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:11:53,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:11:53,941 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2023-02-14 03:11:53,941 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-14 03:11:53,966 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2023-02-14 03:11:53,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:11:54,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:11:54,219 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-02-14 03:11:54,219 INFO L444 ModelExtractionUtils]: 2 out of 12 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-02-14 03:11:54,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:11:54,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:11:54,220 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) [2023-02-14 03:11:54,221 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 [2023-02-14 03:11:54,223 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:11:54,223 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:11:54,223 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:11:54,223 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(ULTIMATE.start_main_~p~0#1, ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~q~0#1) = Supporting invariants [] [2023-02-14 03:11:54,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-02-14 03:11:54,230 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:11:54,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:11:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:11:54,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:11:54,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:11:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:11:54,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-14 03:11:54,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:11:54,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0