./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.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 de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:02:47,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:02:47,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:02:47,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:02:47,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:02:47,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:02:47,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:02:47,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:02:47,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:02:47,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:02:47,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:02:47,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:02:47,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:02:47,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:02:47,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:02:47,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:02:47,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:02:47,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:02:47,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:02:47,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:02:47,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:02:47,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:02:47,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:02:47,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:02:47,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:02:47,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:02:47,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:02:47,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:02:47,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:02:47,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:02:47,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:02:47,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:02:47,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:02:47,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:02:47,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:02:47,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:02:47,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:02:47,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:02:47,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:02:47,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:02:47,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:02:47,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-28 09:02:47,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:02:47,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:02:47,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:02:47,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:02:47,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:02:47,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:02:47,331 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:02:47,331 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:02:47,332 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:02:47,332 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:02:47,332 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:02:47,333 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:02:47,333 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:02:47,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:02:47,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:02:47,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:02:47,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:02:47,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:02:47,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:02:47,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:02:47,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:02:47,334 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:02:47,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:02:47,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:02:47,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:02:47,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:02:47,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:02:47,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:02:47,346 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:02:47,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf [2021-12-28 09:02:47,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:02:47,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:02:47,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:02:47,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:02:47,610 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:02:47,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2021-12-28 09:02:47,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31fdd835b/af348bd12e1e475889dd84c4a293f4c3/FLAG0a83a5160 [2021-12-28 09:02:47,959 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:02:47,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2021-12-28 09:02:47,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31fdd835b/af348bd12e1e475889dd84c4a293f4c3/FLAG0a83a5160 [2021-12-28 09:02:48,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31fdd835b/af348bd12e1e475889dd84c4a293f4c3 [2021-12-28 09:02:48,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:02:48,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:02:48,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:02:48,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:02:48,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:02:48,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4147bbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48, skipping insertion in model container [2021-12-28 09:02:48,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:02:48,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:02:48,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:02:48,520 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:02:48,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:02:48,538 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:02:48,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48 WrapperNode [2021-12-28 09:02:48,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:02:48,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:02:48,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:02:48,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:02:48,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,564 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2021-12-28 09:02:48,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:02:48,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:02:48,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:02:48,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:02:48,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:02:48,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:02:48,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:02:48,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:02:48,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (1/1) ... [2021-12-28 09:02:48,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:48,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:48,653 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) [2021-12-28 09:02:48,692 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 [2021-12-28 09:02:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:02:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:02:48,747 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:02:48,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:02:48,886 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:02:48,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:02:48,891 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 09:02:48,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:02:48 BoogieIcfgContainer [2021-12-28 09:02:48,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:02:48,893 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:02:48,893 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:02:48,895 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:02:48,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:02:48,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:02:48" (1/3) ... [2021-12-28 09:02:48,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6386f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:02:48, skipping insertion in model container [2021-12-28 09:02:48,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:02:48,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:48" (2/3) ... [2021-12-28 09:02:48,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6386f03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:02:48, skipping insertion in model container [2021-12-28 09:02:48,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:02:48,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:02:48" (3/3) ... [2021-12-28 09:02:48,900 INFO L388 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig1.c [2021-12-28 09:02:48,969 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:02:48,969 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:02:48,969 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:02:48,969 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:02:48,969 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:02:48,969 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:02:48,969 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:02:48,969 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:02:48,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-12-28 09:02:48,998 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-28 09:02:48,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:02:48,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:02:49,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-28 09:02:49,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-28 09:02:49,003 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:02:49,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2021-12-28 09:02:49,006 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-28 09:02:49,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:02:49,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:02:49,007 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-28 09:02:49,007 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-28 09:02:49,012 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 12#L41true assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 13#L18true assume !(f_~k~0#1 > 1073741823); 9#L23-1true [2021-12-28 09:02:49,012 INFO L793 eck$LassoCheckResult]: Loop: 9#L23-1true assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 9#L23-1true [2021-12-28 09:02:49,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:02:49,021 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-12-28 09:02:49,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:02:49,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788982990] [2021-12-28 09:02:49,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:02:49,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:02:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:02:49,087 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:02:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:02:49,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:02:49,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:02:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-12-28 09:02:49,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:02:49,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149771894] [2021-12-28 09:02:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:02:49,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:02:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:02:49,128 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:02:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:02:49,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:02:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:02:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2021-12-28 09:02:49,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:02:49,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752487824] [2021-12-28 09:02:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:02:49,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:02:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:02:49,157 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:02:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:02:49,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:02:49,269 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:02:49,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:02:49,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:02:49,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:02:49,271 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:02:49,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:02:49,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:02:49,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2021-12-28 09:02:49,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:02:49,271 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:02:49,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:02:49,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:02:49,376 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:02:49,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,392 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) [2021-12-28 09:02:49,396 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 [2021-12-28 09:02:49,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,407 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,407 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-28 09:02:49,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,428 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) [2021-12-28 09:02:49,431 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 [2021-12-28 09:02:49,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,441 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,459 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 [2021-12-28 09:02:49,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,465 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) [2021-12-28 09:02:49,468 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 [2021-12-28 09:02:49,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,487 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,503 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 [2021-12-28 09:02:49,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,505 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) [2021-12-28 09:02:49,506 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 [2021-12-28 09:02:49,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,514 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,529 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 [2021-12-28 09:02:49,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,530 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) [2021-12-28 09:02:49,531 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 [2021-12-28 09:02:49,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,548 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#in~d#1=0, ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_#in~d#1=1, ULTIMATE.start_f_~d#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-28 09:02:49,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,565 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) [2021-12-28 09:02:49,566 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 [2021-12-28 09:02:49,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,574 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,574 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=0} Honda state: {ULTIMATE.start_f_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-28 09:02:49,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,591 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) [2021-12-28 09:02:49,591 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 [2021-12-28 09:02:49,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,605 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,622 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 [2021-12-28 09:02:49,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,623 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) [2021-12-28 09:02:49,623 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 [2021-12-28 09:02:49,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,630 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-28 09:02:49,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,649 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) [2021-12-28 09:02:49,649 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 [2021-12-28 09:02:49,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,657 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: [] [2021-12-28 09:02:49,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-28 09:02:49,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,673 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) [2021-12-28 09:02:49,674 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 [2021-12-28 09:02:49,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,692 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:02:49,692 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:02:49,707 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 [2021-12-28 09:02:49,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,708 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) [2021-12-28 09:02:49,709 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 [2021-12-28 09:02:49,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:02:49,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:02:49,735 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 [2021-12-28 09:02:49,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:02:49,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:02:49,736 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) [2021-12-28 09:02:49,737 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 [2021-12-28 09:02:49,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:02:49,738 INFO L160 nArgumentSynthesizer]: Using integer mode.