./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 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/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-?-574ddb4 [2023-02-17 09:44:27,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:44:27,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:44:27,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:44:27,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:44:27,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:44:27,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:44:27,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:44:27,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:44:27,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:44:27,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:44:27,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:44:27,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:44:27,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:44:27,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:44:27,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:44:27,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:44:27,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:44:27,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:44:27,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:44:27,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:44:27,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:44:27,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:44:27,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:44:27,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:44:27,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:44:27,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:44:27,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:44:27,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:44:27,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:44:27,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:44:27,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:44:27,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:44:27,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:44:27,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:44:27,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:44:27,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:44:27,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:44:27,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:44:27,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:44:27,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:44:27,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-17 09:44:27,587 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:44:27,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:44:27,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:44:27,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:44:27,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:44:27,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:44:27,589 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:44:27,590 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-17 09:44:27,590 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-17 09:44:27,590 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-17 09:44:27,591 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-17 09:44:27,591 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-17 09:44:27,591 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-17 09:44:27,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:44:27,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:44:27,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:44:27,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:44:27,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-17 09:44:27,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-17 09:44:27,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-17 09:44:27,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 09:44:27,593 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-17 09:44:27,593 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:44:27,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-17 09:44:27,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:44:27,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:44:27,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:44:27,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 09:44:27,596 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-17 09:44:27,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c19e6821eec12ef8284f33ab77e3183032aa426313dfebebf501fe3b6a052c3 [2023-02-17 09:44:27,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:44:27,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:44:27,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:44:27,853 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:44:27,854 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:44:27,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-02-17 09:44:29,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:44:29,251 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:44:29,251 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/dijkstra1-both-t.c [2023-02-17 09:44:29,258 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9085c38d5/26c5c46c265c4c1db07cf7ceece7603f/FLAGb97f9c8ae [2023-02-17 09:44:29,270 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9085c38d5/26c5c46c265c4c1db07cf7ceece7603f [2023-02-17 09:44:29,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:44:29,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:44:29,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:44:29,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:44:29,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:44:29,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581e5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29, skipping insertion in model container [2023-02-17 09:44:29,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:44:29,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:44:29,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:44:29,432 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 09:44:29,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:44:29,454 INFO L208 MainTranslator]: Completed translation [2023-02-17 09:44:29,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29 WrapperNode [2023-02-17 09:44:29,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:44:29,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 09:44:29,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 09:44:29,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 09:44:29,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,482 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-02-17 09:44:29,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 09:44:29,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 09:44:29,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 09:44:29,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 09:44:29,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 09:44:29,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 09:44:29,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 09:44:29,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 09:44:29,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (1/1) ... [2023-02-17 09:44:29,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:29,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:29,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:29,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-17 09:44:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 09:44:29,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 09:44:29,618 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 09:44:29,621 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 09:44:29,737 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 09:44:29,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 09:44:29,747 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-17 09:44:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:44:29 BoogieIcfgContainer [2023-02-17 09:44:29,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 09:44:29,754 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-17 09:44:29,755 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-17 09:44:29,758 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-17 09:44:29,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 09:44:29,758 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.02 09:44:29" (1/3) ... [2023-02-17 09:44:29,759 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d3895ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 09:44:29, skipping insertion in model container [2023-02-17 09:44:29,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 09:44:29,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:44:29" (2/3) ... [2023-02-17 09:44:29,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d3895ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 09:44:29, skipping insertion in model container [2023-02-17 09:44:29,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-17 09:44:29,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:44:29" (3/3) ... [2023-02-17 09:44:29,762 INFO L332 chiAutomizerObserver]: Analyzing ICFG dijkstra1-both-t.c [2023-02-17 09:44:29,837 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-17 09:44:29,837 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-17 09:44:29,837 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-17 09:44:29,838 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-17 09:44:29,838 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-17 09:44:29,838 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-17 09:44:29,838 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-17 09:44:29,838 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-17 09:44:29,842 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) [2023-02-17 09:44:29,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-17 09:44:29,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:44:29,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:44:29,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 09:44:29,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 09:44:29,867 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-17 09:44:29,867 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) [2023-02-17 09:44:29,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2023-02-17 09:44:29,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:44:29,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:44:29,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-17 09:44:29,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-17 09:44:29,876 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L25true assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 2#L32-2true [2023-02-17 09:44:29,876 INFO L750 eck$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 [2023-02-17 09:44:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:29,886 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-02-17 09:44:29,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:29,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782957072] [2023-02-17 09:44:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:29,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:29,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:29,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-02-17 09:44:30,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:30,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26794576] [2023-02-17 09:44:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:30,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:30,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:30,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:30,020 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-02-17 09:44:30,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:30,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166549534] [2023-02-17 09:44:30,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:30,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:30,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:30,112 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:30,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:30,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:30,114 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:30,115 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 09:44:30,115 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:30,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:30,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:30,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-02-17 09:44:30,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:30,116 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:30,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:30,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:30,141 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:30,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:30,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:30,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:30,198 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 09:44:30,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:30,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:30,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-17 09:44:30,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:30,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:30,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 09:44:30,231 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: [] [2023-02-17 09:44:30,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:30,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:30,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:30,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:30,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-17 09:44:30,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:30,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:30,302 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-17 09:44:30,302 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: [] [2023-02-17 09:44:30,306 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 [2023-02-17 09:44:30,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:30,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:30,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:30,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:30,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:30,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-17 09:44:30,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:30,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:30,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:30,352 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:30,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-17 09:44:30,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 09:44:30,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:42,470 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-17 09:44:42,489 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 [2023-02-17 09:44:42,489 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:42,489 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:42,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:42,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:42,490 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 09:44:42,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:42,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:42,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:42,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration1_Lasso [2023-02-17 09:44:42,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:42,490 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:42,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:42,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:42,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:42,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:42,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:42,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:42,515 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 09:44:42,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:42,518 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) [2023-02-17 09:44:42,522 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 [2023-02-17 09:44:42,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:42,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:42,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:42,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:42,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:42,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:42,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 09:44:42,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:42,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:42,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-17 09:44:42,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:42,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:42,542 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) [2023-02-17 09:44:42,544 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 [2023-02-17 09:44:42,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:42,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:42,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:42,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:42,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:42,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:42,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-17 09:44:42,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:42,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:42,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:42,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:42,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:42,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:42,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-17 09:44:42,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:42,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:42,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:42,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:42,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:42,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 09:44:42,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 09:44:42,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:42,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:42,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:42,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:42,620 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:42,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-17 09:44:42,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:42,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:42,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:42,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-17 09:44:42,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:42,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-17 09:44:42,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-17 09:44:42,658 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-17 09:44:42,665 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-17 09:44:42,665 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-17 09:44:42,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:42,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:42,673 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:42,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-17 09:44:42,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-17 09:44:42,690 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-17 09:44:42,690 INFO L513 LassoAnalysis]: Proved termination. [2023-02-17 09:44:42,691 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0#1, ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~q~0#1 + 5*ULTIMATE.start_main_~n~0#1 Supporting invariants [1*ULTIMATE.start_main_~q~0#1 - 1 >= 0] [2023-02-17 09:44:42,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:42,701 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-17 09:44:42,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:44:42,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-17 09:44:42,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 09:44:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:44:42,752 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 09:44:42,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 09:44:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:44:42,781 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-17 09:44:42,783 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) [2023-02-17 09:44:42,825 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. [2023-02-17 09:44:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-17 09:44:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 09:44:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-02-17 09:44:42,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-17 09:44:42,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 09:44:42,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-17 09:44:42,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 09:44:42,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-17 09:44:42,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-17 09:44:42,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2023-02-17 09:44:42,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 09:44:42,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2023-02-17 09:44:42,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-17 09:44:42,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-17 09:44:42,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2023-02-17 09:44:42,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 09:44:42,843 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2023-02-17 09:44:42,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2023-02-17 09:44:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-17 09:44:42,864 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) [2023-02-17 09:44:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2023-02-17 09:44:42,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-17 09:44:42,865 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2023-02-17 09:44:42,865 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-17 09:44:42,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2023-02-17 09:44:42,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 09:44:42,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:44:42,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:44:42,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-17 09:44:42,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-17 09:44:42,868 INFO L748 eck$LassoCheckResult]: Stem: 89#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 90#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; 88#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; 84#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 86#L53-2 [2023-02-17 09:44:42,869 INFO L750 eck$LassoCheckResult]: Loop: 86#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); 87#L53 assume !(main_~r~0#1 >= main_~h~0#1); 86#L53-2 [2023-02-17 09:44:42,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:42,869 INFO L85 PathProgramCache]: Analyzing trace with hash 925674, now seen corresponding path program 1 times [2023-02-17 09:44:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:42,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142990120] [2023-02-17 09:44:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:42,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:42,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:42,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:42,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2023-02-17 09:44:42,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:42,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250930129] [2023-02-17 09:44:42,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:42,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:42,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:44:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:44:42,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:44:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:44:42,916 INFO L85 PathProgramCache]: Analyzing trace with hash 889573583, now seen corresponding path program 1 times [2023-02-17 09:44:42,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:44:42,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454715070] [2023-02-17 09:44:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:44:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:44:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:44:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:44:43,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:44:43,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454715070] [2023-02-17 09:44:43,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454715070] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:44:43,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:44:43,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 09:44:43,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622990756] [2023-02-17 09:44:43,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:44:43,044 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:43,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:43,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:43,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:43,045 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 09:44:43,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:43,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:43,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:43,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-02-17 09:44:43,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:43,045 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:43,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:43,055 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:44:43,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:43,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:43,376 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 09:44:43,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:43,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:43,378 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:43,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:44:43,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:43,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-17 09:44:44,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:44,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:44,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:44,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:44,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-17 09:44:44,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 09:44:44,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:44:51,140 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 09:44:51,163 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 [2023-02-17 09:44:51,163 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:44:51,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:44:51,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:44:51,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:44:51,164 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 09:44:51,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:51,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:44:51,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:44:51,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration2_Loop [2023-02-17 09:44:51,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:44:51,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:44:51,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:44:51,172 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:44:51,355 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:44:51,356 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 09:44:51,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:51,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:51,357 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:51,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:51,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:51,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:51,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:51,382 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:51,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:44:51,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-17 09:44:52,124 INFO L401 nArgumentSynthesizer]: We have 512 Motzkin's Theorem applications. [2023-02-17 09:44:52,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:53,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:53,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-17 09:44:53,334 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 09:44:53,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:53,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:53,336 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:53,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-17 09:44:53,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:53,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:53,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:53,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:53,346 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:53,346 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:44:54,373 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-17 09:44:54,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:44:56,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:44:56,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-17 09:44:56,313 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 09:44:56,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:44:56,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:44:56,314 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:44:56,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-17 09:44:56,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:44:56,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:44:56,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:44:56,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:44:56,325 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:44:56,325 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:44:57,706 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:44:57,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:00,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:00,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-17 09:45:00,578 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 09:45:00,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:00,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:00,580 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:00,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-17 09:45:00,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:00,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:45:00,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:00,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:00,591 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:00,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:45:02,126 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-17 09:45:02,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:06,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:06,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-17 09:45:06,289 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 09:45:06,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:06,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:06,291 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:06,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-17 09:45:06,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:06,301 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:06,301 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:45:06,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:06,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:06,301 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:06,301 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:45:07,251 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-17 09:45:07,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:17,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:45:17,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-17 09:45:17,051 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 09:45:17,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:17,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:17,052 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:17,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-17 09:45:17,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:17,062 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:17,062 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 09:45:17,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:17,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:17,062 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:17,062 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:45:18,312 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:45:18,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:32,045 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:45:32,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-17 09:45:32,125 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 09:45:32,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:32,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:32,126 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:32,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-17 09:45:32,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:32,141 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:32,141 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:45:32,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:32,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:32,142 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:32,142 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:45:33,997 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-17 09:45:33,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:45:49,464 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:45:49,562 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 [2023-02-17 09:45:49,563 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-17 09:45:49,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:45:49,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:45:49,564 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:45:49,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-17 09:45:49,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:45:49,579 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:45:49,579 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:45:49,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:45:49,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:45:49,579 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:45:49,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:45:50,863 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:45:50,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:03,986 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:46:04,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:04,041 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-17 09:46:04,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:04,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:04,042 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:04,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-17 09:46:04,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:04,056 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:04,056 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:46:04,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:04,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:04,057 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:04,057 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 09:46:05,861 INFO L401 nArgumentSynthesizer]: We have 1536 Motzkin's Theorem applications. [2023-02-17 09:46:05,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:19,904 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:46:19,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:19,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:46:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:46:19,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:46:20,000 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. cyclomatic complexity: 5 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) [2023-02-17 09:46:20,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:46:20,017 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2023-02-17 09:46:20,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2023-02-17 09:46:20,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 09:46:20,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 12 transitions. [2023-02-17 09:46:20,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-17 09:46:20,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-17 09:46:20,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-17 09:46:20,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 09:46:20,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 09:46:20,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-17 09:46:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-17 09:46:20,020 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) [2023-02-17 09:46:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-02-17 09:46:20,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 09:46:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:46:20,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-17 09:46:20,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-17 09:46:20,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-02-17 09:46:20,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-17 09:46:20,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-17 09:46:20,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-17 09:46:20,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-02-17 09:46:20,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-17 09:46:20,023 INFO L748 eck$LassoCheckResult]: Stem: 115#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 114#L25 assume !(main_~n~0#1 >= 1073741824);main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 109#L32-2 assume !(main_~q~0#1 <= main_~n~0#1); 111#L53-2 assume !!(main_~r~0#1 >= 2 * main_~p~0#1 + main_~q~0#1);main_~q~0#1 := (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4);main_~h~0#1 := main_~p~0#1 + main_~q~0#1;main_~p~0#1 := (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2); 117#L53 assume main_~r~0#1 >= main_~h~0#1;main_~p~0#1 := main_~p~0#1 + main_~q~0#1;main_~r~0#1 := main_~r~0#1 - main_~h~0#1; 112#L53-2 [2023-02-17 09:46:20,023 INFO L750 eck$LassoCheckResult]: Loop: 112#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); 113#L53 assume !(main_~r~0#1 >= main_~h~0#1); 112#L53-2 [2023-02-17 09:46:20,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:46:20,024 INFO L85 PathProgramCache]: Analyzing trace with hash 889573581, now seen corresponding path program 1 times [2023-02-17 09:46:20,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:46:20,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176573893] [2023-02-17 09:46:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:46:20,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:46:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:46:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:46:20,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:46:20,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176573893] [2023-02-17 09:46:20,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176573893] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:46:20,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:46:20,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:46:20,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888334267] [2023-02-17 09:46:20,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:46:20,061 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-17 09:46:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:46:20,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2023-02-17 09:46:20,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:46:20,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067574786] [2023-02-17 09:46:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:46:20,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:46:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:46:20,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 09:46:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 09:46:20,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 09:46:20,089 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:46:20,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:46:20,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:46:20,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:46:20,089 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-17 09:46:20,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:20,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:46:20,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:46:20,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-02-17 09:46:20,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:46:20,090 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:46:20,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:20,101 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:46:20,219 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:46:20,219 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-17 09:46:20,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:20,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:20,221 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:20,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-17 09:46:20,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-17 09:46:20,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:46:20,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:20,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:20,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:20,780 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:20,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-17 09:46:20,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-17 09:46:20,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-17 09:46:31,384 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-17 09:46:31,402 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 [2023-02-17 09:46:31,402 INFO L210 LassoAnalysis]: Preferences: [2023-02-17 09:46:31,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-17 09:46:31,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-17 09:46:31,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-17 09:46:31,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-17 09:46:31,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:31,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-17 09:46:31,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-17 09:46:31,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: dijkstra1-both-t.c_Iteration3_Loop [2023-02-17 09:46:31,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-17 09:46:31,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-17 09:46:31,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-17 09:46:31,409 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-02-17 09:46:31,475 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-17 09:46:31,475 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-17 09:46:31,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:31,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:31,477 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:31,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:31,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:31,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:31,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:31,500 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:31,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-17 09:46:31,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-17 09:46:32,096 INFO L401 nArgumentSynthesizer]: We have 512 Motzkin's Theorem applications. [2023-02-17 09:46:32,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:33,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:33,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:33,062 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-02-17 09:46:33,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:33,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:33,063 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:33,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-17 09:46:33,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:33,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:33,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:33,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:33,073 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:33,073 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:46:33,972 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-17 09:46:33,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:35,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:35,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:35,743 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-02-17 09:46:35,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:35,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:35,744 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:35,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:35,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:35,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:35,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:35,774 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:35,774 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:46:35,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-17 09:46:36,965 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:46:36,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:39,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:39,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-02-17 09:46:39,809 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-02-17 09:46:39,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:39,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:39,810 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:39,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-17 09:46:39,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:39,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-17 09:46:39,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:39,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:39,821 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:39,821 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:46:41,229 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-17 09:46:41,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:45,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:46:45,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:45,229 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-02-17 09:46:45,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:45,230 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:45,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-17 09:46:45,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:45,241 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:45,241 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:46:45,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:45,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:45,241 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:45,241 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-02-17 09:46:46,200 INFO L401 nArgumentSynthesizer]: We have 768 Motzkin's Theorem applications. [2023-02-17 09:46:46,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:46:59,195 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:46:59,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-17 09:46:59,242 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-02-17 09:46:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:46:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:46:59,243 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:46:59,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-17 09:46:59,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:46:59,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:46:59,254 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-02-17 09:46:59,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:46:59,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:46:59,254 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:46:59,254 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:47:00,589 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:47:00,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:47:09,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-17 09:47:09,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-17 09:47:09,436 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-02-17 09:47:09,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:47:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:47:09,437 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:47:09,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-17 09:47:09,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:47:09,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:47:09,448 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:47:09,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:47:09,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:47:09,448 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:47:09,448 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-02-17 09:47:11,145 INFO L401 nArgumentSynthesizer]: We have 1280 Motzkin's Theorem applications. [2023-02-17 09:47:11,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:47:26,193 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:47:26,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-02-17 09:47:26,270 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-02-17 09:47:26,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:47:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:47:26,271 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:47:26,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-17 09:47:26,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-17 09:47:26,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:47:26,285 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-02-17 09:47:26,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:47:26,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:47:26,286 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:47:26,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-02-17 09:47:27,493 INFO L401 nArgumentSynthesizer]: We have 1024 Motzkin's Theorem applications. [2023-02-17 09:47:27,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:47:40,619 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:47:40,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-17 09:47:40,672 INFO L490 LassoAnalysis]: Using template '3-lex'. [2023-02-17 09:47:40,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-17 09:47:40,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:47:40,678 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-17 09:47:40,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-17 09:47:40,680 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 [2023-02-17 09:47:40,686 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-02-17 09:47:40,686 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-02-17 09:47:40,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-17 09:47:40,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-17 09:47:40,687 INFO L204 nArgumentSynthesizer]: 256 loop disjuncts [2023-02-17 09:47:40,687 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2023-02-17 09:47:42,494 INFO L401 nArgumentSynthesizer]: We have 1536 Motzkin's Theorem applications. [2023-02-17 09:47:42,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-17 09:47:56,418 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2023-02-17 09:47:56,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-17 09:47:56,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:47:56,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:47:56,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:47:56,503 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) 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) [2023-02-17 09:47:56,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:47:56,512 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2023-02-17 09:47:56,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2023-02-17 09:47:56,512 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-17 09:47:56,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2023-02-17 09:47:56,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-17 09:47:56,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-17 09:47:56,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-17 09:47:56,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-17 09:47:56,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 09:47:56,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 09:47:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:47:56,513 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 09:47:56,514 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-17 09:47:56,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-17 09:47:56,514 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-17 09:47:56,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-17 09:47:56,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 09:47:56 BoogieIcfgContainer [2023-02-17 09:47:56,520 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-17 09:47:56,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 09:47:56,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 09:47:56,521 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 09:47:56,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:44:29" (3/4) ... [2023-02-17 09:47:56,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-17 09:47:56,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 09:47:56,524 INFO L158 Benchmark]: Toolchain (without parser) took 207250.02ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 926.9MB). Free memory was 114.0MB in the beginning and 589.1MB in the end (delta: -475.1MB). Peak memory consumption was 454.9MB. Max. memory is 16.1GB. [2023-02-17 09:47:56,524 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:47:56,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.66ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 104.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 09:47:56,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.96ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:47:56,524 INFO L158 Benchmark]: Boogie Preprocessor took 12.79ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:47:56,525 INFO L158 Benchmark]: RCFGBuilder took 255.49ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 93.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 09:47:56,525 INFO L158 Benchmark]: BuchiAutomizer took 206765.40ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 926.9MB). Free memory was 93.4MB in the beginning and 590.4MB in the end (delta: -497.0MB). Peak memory consumption was 431.8MB. Max. memory is 16.1GB. [2023-02-17 09:47:56,525 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 1.1GB. Free memory was 590.2MB in the beginning and 589.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:47:56,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.66ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 104.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.96ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 103.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.79ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 102.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.49ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 93.4MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 206765.40ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 926.9MB). Free memory was 93.4MB in the beginning and 590.4MB in the end (delta: -497.0MB). Peak memory consumption was 431.8MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 1.1GB. Free memory was 590.2MB in the beginning and 589.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * q + 5 * n and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 206.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 206.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf100 lsp118 ukn100 mio100 lsp100 div168 bol100 ite100 ukn100 eq151 hnf96 smp100 dnf6490 smp100 tf100 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unknown Degree: 3 Time: 15861ms VariablesStem: 0 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 256 SupportingInvariants: 0 MotzkinApplications: 1536 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 31.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-17 09:47:56,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE