./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5317dae 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/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.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 07aee1a213388f511be96198bfb1df3a8f6aa54d1d332dfab8fc2fdcd2220999 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:30:46,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:30:46,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:30:46,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:30:46,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:30:46,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:30:46,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:30:46,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:30:46,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:30:46,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:30:46,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:30:46,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:30:46,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:30:46,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:30:46,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:30:46,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:30:46,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:30:46,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:30:46,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:30:46,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:30:46,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:30:46,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:30:46,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:30:46,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:30:46,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:30:46,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:30:46,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:30:46,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:30:46,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:30:46,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:30:46,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:30:46,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:30:46,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:30:46,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:30:46,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:30:46,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:30:46,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:30:46,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:30:46,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:30:46,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:30:46,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:30:46,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-16 04:30:46,470 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:30:46,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:30:46,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:30:46,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:30:46,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:30:46,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:30:46,472 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:30:46,472 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-16 04:30:46,472 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-16 04:30:46,473 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-16 04:30:46,473 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-16 04:30:46,473 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-16 04:30:46,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-16 04:30:46,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-16 04:30:46,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:30:46,475 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-16 04:30:46,475 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:30:46,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-16 04:30:46,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:30:46,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:30:46,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:30:46,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:30:46,476 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-16 04:30:46,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07aee1a213388f511be96198bfb1df3a8f6aa54d1d332dfab8fc2fdcd2220999 [2023-02-16 04:30:46,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:30:46,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:30:46,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:30:46,720 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:30:46,721 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:30:46,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c [2023-02-16 04:30:47,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:30:47,895 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:30:47,895 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c [2023-02-16 04:30:47,899 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819a2987d/e8fbedc2d3a544a396094fbc35a459d1/FLAGb98b9baa5 [2023-02-16 04:30:47,912 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819a2987d/e8fbedc2d3a544a396094fbc35a459d1 [2023-02-16 04:30:47,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:30:47,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:30:47,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:30:47,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:30:47,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:30:47,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:30:47" (1/1) ... [2023-02-16 04:30:47,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610b11d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:47, skipping insertion in model container [2023-02-16 04:30:47,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:30:47" (1/1) ... [2023-02-16 04:30:47,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:30:47,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:30:48,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:30:48,029 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:30:48,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:30:48,053 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:30:48,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48 WrapperNode [2023-02-16 04:30:48,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:30:48,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:30:48,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:30:48,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:30:48,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,092 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-02-16 04:30:48,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:30:48,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:30:48,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:30:48,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:30:48,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:30:48,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:30:48,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:30:48,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:30:48,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (1/1) ... [2023-02-16 04:30:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:48,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:48,135 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) [2023-02-16 04:30:48,143 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 [2023-02-16 04:30:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:30:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:30:48,250 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:30:48,252 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:30:48,306 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:30:48,310 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:30:48,311 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-16 04:30:48,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:48 BoogieIcfgContainer [2023-02-16 04:30:48,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:30:48,313 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-16 04:30:48,313 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-16 04:30:48,316 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-16 04:30:48,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:30:48,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.02 04:30:47" (1/3) ... [2023-02-16 04:30:48,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e6a4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:30:48, skipping insertion in model container [2023-02-16 04:30:48,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:30:48,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:30:48" (2/3) ... [2023-02-16 04:30:48,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e6a4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:30:48, skipping insertion in model container [2023-02-16 04:30:48,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:30:48,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:48" (3/3) ... [2023-02-16 04:30:48,319 INFO L332 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c [2023-02-16 04:30:48,356 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-16 04:30:48,356 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-16 04:30:48,356 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-16 04:30:48,356 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-16 04:30:48,356 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-16 04:30:48,356 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-16 04:30:48,356 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-16 04:30:48,357 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-16 04:30:48,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) 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) [2023-02-16 04:30:48,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:48,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:48,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:48,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-16 04:30:48,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:30:48,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-16 04:30:48,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) 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) [2023-02-16 04:30:48,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:48,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:48,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:48,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-16 04:30:48,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:30:48,384 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L17true assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1; 5#L20-2true [2023-02-16 04:30:48,384 INFO L750 eck$LassoCheckResult]: Loop: 5#L20-2true assume !!(main_~i~0#1 > 0); 9#L20true assume main_~i~0#1 < main_~m~0#1;main_~i~0#1 := main_~i~0#1 - 1; 5#L20-2true [2023-02-16 04:30:48,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:48,388 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2023-02-16 04:30:48,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:48,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116785816] [2023-02-16 04:30:48,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:48,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:48,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:48,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:48,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 1 times [2023-02-16 04:30:48,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:48,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120047519] [2023-02-16 04:30:48,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:48,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:48,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:48,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash 28693989, now seen corresponding path program 1 times [2023-02-16 04:30:48,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:48,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318098152] [2023-02-16 04:30:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:48,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:30:48,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318098152] [2023-02-16 04:30:48,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318098152] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:30:48,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:30:48,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:30:48,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291907581] [2023-02-16 04:30:48,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:30:48,659 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:48,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:48,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:48,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:48,660 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:48,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:48,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:48,660 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:48,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration1_Loop [2023-02-16 04:30:48,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:48,677 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:48,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:48,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:48,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:48,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:48,796 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:48,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:48,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:48,829 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) [2023-02-16 04:30:48,831 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 [2023-02-16 04:30:48,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:48,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:48,861 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:48,861 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:48,866 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 [2023-02-16 04:30:48,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:48,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:48,868 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) [2023-02-16 04:30:48,889 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 [2023-02-16 04:30:48,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:48,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:48,917 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:48,917 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:48,923 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 [2023-02-16 04:30:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:48,928 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) [2023-02-16 04:30:48,930 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 [2023-02-16 04:30:48,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:48,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:48,974 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 [2023-02-16 04:30:48,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:48,976 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) [2023-02-16 04:30:48,978 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 [2023-02-16 04:30:48,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:48,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:49,005 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:30:49,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-16 04:30:49,011 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:49,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:49,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:49,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:49,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:49,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:49,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:49,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration1_Loop [2023-02-16 04:30:49,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:49,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:49,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,074 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:49,077 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:49,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,079 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) [2023-02-16 04:30:49,086 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 [2023-02-16 04:30:49,089 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 [2023-02-16 04:30:49,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:49,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:49,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:49,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:49,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:49,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:49,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:49,131 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 [2023-02-16 04:30:49,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,142 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) [2023-02-16 04:30:49,143 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 [2023-02-16 04:30:49,145 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 [2023-02-16 04:30:49,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:49,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:49,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:49,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:49,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:49,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:49,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:49,170 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 [2023-02-16 04:30:49,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,181 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) [2023-02-16 04:30:49,184 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 [2023-02-16 04:30:49,185 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 [2023-02-16 04:30:49,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:49,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:49,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:49,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:49,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:49,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:49,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:49,209 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:49,223 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-16 04:30:49,223 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:30:49,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,287 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) [2023-02-16 04:30:49,305 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 [2023-02-16 04:30:49,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:49,306 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:30:49,306 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:49,306 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-16 04:30:49,312 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 [2023-02-16 04:30:49,314 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:30:49,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:49,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:30:49,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:49,359 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:30:49,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:49,390 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:30:49,392 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-16 04:30:49,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) 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). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 29 states and 36 transitions. Complement of second has 8 states. [2023-02-16 04:30:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-16 04:30:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-02-16 04:30:49,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-16 04:30:49,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:49,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-16 04:30:49,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:49,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-16 04:30:49,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:49,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2023-02-16 04:30:49,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:49,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 9 states and 12 transitions. [2023-02-16 04:30:49,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-16 04:30:49,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-16 04:30:49,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-16 04:30:49,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:49,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-16 04:30:49,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-16 04:30:49,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-16 04:30:49,477 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) [2023-02-16 04:30:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-02-16 04:30:49,478 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-16 04:30:49,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:30:49,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 04:30:49,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 04:30:49,481 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-02-16 04:30:49,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:30:49,490 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2023-02-16 04:30:49,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2023-02-16 04:30:49,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:49,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 8 transitions. [2023-02-16 04:30:49,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-16 04:30:49,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-02-16 04:30:49,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2023-02-16 04:30:49,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:30:49,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-16 04:30:49,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2023-02-16 04:30:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-02-16 04:30:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-02-16 04:30:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-02-16 04:30:49,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-16 04:30:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 04:30:49,494 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-16 04:30:49,494 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-16 04:30:49,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-02-16 04:30:49,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:49,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:49,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:49,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-16 04:30:49,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:30:49,495 INFO L748 eck$LassoCheckResult]: Stem: 102#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 98#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1; 99#L20-2 assume !!(main_~i~0#1 > 0); 104#L20 assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1; 100#L20-2 [2023-02-16 04:30:49,496 INFO L750 eck$LassoCheckResult]: Loop: 100#L20-2 assume !!(main_~i~0#1 > 0); 101#L20 assume main_~i~0#1 < main_~m~0#1;main_~i~0#1 := main_~i~0#1 - 1; 100#L20-2 [2023-02-16 04:30:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,496 INFO L85 PathProgramCache]: Analyzing trace with hash 28693991, now seen corresponding path program 1 times [2023-02-16 04:30:49,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:49,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312836230] [2023-02-16 04:30:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:49,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:49,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 2 times [2023-02-16 04:30:49,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:49,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730530205] [2023-02-16 04:30:49,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:49,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:49,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1805122026, now seen corresponding path program 1 times [2023-02-16 04:30:49,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:49,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848634008] [2023-02-16 04:30:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:49,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:49,548 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:49,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:49,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:49,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:49,548 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:49,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:49,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:49,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration2_Loop [2023-02-16 04:30:49,549 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:49,549 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:49,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,593 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:49,593 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:49,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,602 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) [2023-02-16 04:30:49,604 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 [2023-02-16 04:30:49,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:49,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:49,617 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:49,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:49,655 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 [2023-02-16 04:30:49,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,657 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) [2023-02-16 04:30:49,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:49,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:49,672 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 [2023-02-16 04:30:49,690 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 [2023-02-16 04:30:49,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,692 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) [2023-02-16 04:30:49,694 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 [2023-02-16 04:30:49,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:49,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:49,718 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:30:49,721 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 [2023-02-16 04:30:49,722 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:49,722 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:49,722 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:49,722 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:49,722 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:49,722 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:49,722 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:49,722 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration2_Loop [2023-02-16 04:30:49,722 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:49,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:49,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:49,764 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:49,764 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:49,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,765 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) [2023-02-16 04:30:49,767 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 [2023-02-16 04:30:49,769 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 [2023-02-16 04:30:49,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:49,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:49,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:49,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:49,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:49,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:49,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:49,798 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 [2023-02-16 04:30:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,799 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) [2023-02-16 04:30:49,801 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 [2023-02-16 04:30:49,803 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 [2023-02-16 04:30:49,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:49,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:49,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:49,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:49,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:49,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:49,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:49,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:49,819 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-16 04:30:49,819 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:30:49,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:49,822 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) [2023-02-16 04:30:49,822 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 [2023-02-16 04:30:49,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:49,824 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:30:49,824 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:49,824 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-16 04:30:49,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-16 04:30:49,833 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:30:49,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:49,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:30:49,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:49,883 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:30:49,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:49,899 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:30:49,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:30:49,920 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 14 transitions. Complement of second has 5 states. [2023-02-16 04:30:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-02-16 04:30:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-16 04:30:49,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-16 04:30:49,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:49,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-16 04:30:49,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:49,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-16 04:30:49,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:49,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2023-02-16 04:30:49,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:49,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. [2023-02-16 04:30:49,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-02-16 04:30:49,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-16 04:30:49,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-02-16 04:30:49,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:49,924 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-02-16 04:30:49,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-02-16 04:30:49,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-16 04:30:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2023-02-16 04:30:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-02-16 04:30:49,926 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-02-16 04:30:49,926 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-02-16 04:30:49,926 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-16 04:30:49,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-02-16 04:30:49,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:30:49,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:49,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:49,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2023-02-16 04:30:49,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:30:49,929 INFO L748 eck$LassoCheckResult]: Stem: 164#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 157#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1; 158#L20-2 assume !!(main_~i~0#1 > 0); 167#L20 assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1; 166#L20-2 assume !!(main_~i~0#1 > 0); 163#L20 assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1; 159#L20-2 [2023-02-16 04:30:49,929 INFO L750 eck$LassoCheckResult]: Loop: 159#L20-2 assume !!(main_~i~0#1 > 0); 160#L20 assume main_~i~0#1 < main_~m~0#1;main_~i~0#1 := main_~i~0#1 - 1; 159#L20-2 [2023-02-16 04:30:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1805122028, now seen corresponding path program 2 times [2023-02-16 04:30:49,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:49,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560401146] [2023-02-16 04:30:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:49,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1412, now seen corresponding path program 3 times [2023-02-16 04:30:49,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:49,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302139401] [2023-02-16 04:30:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:49,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:49,985 INFO L85 PathProgramCache]: Analyzing trace with hash -444518225, now seen corresponding path program 2 times [2023-02-16 04:30:49,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:49,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589303403] [2023-02-16 04:30:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:49,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:49,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:50,037 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:50,037 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:50,037 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:50,037 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:50,038 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:50,038 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:50,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:50,038 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration3_Loop [2023-02-16 04:30:50,038 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:50,038 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:50,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,089 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:50,089 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:50,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,090 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) [2023-02-16 04:30:50,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:50,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,118 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 [2023-02-16 04:30:50,126 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:50,126 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:50,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-16 04:30:50,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,132 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) [2023-02-16 04:30:50,176 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 [2023-02-16 04:30:50,176 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 [2023-02-16 04:30:50,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:50,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,211 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 [2023-02-16 04:30:50,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-16 04:30:50,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,225 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) [2023-02-16 04:30:50,227 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 [2023-02-16 04:30:50,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:50,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,251 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:30:50,254 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 [2023-02-16 04:30:50,254 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:50,254 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:50,254 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:50,255 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:50,255 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:50,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:50,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:50,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration3_Loop [2023-02-16 04:30:50,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:50,255 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:50,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,304 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:50,304 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:50,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,305 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) [2023-02-16 04:30:50,307 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 [2023-02-16 04:30:50,309 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 [2023-02-16 04:30:50,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:50,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:50,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:50,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:50,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:50,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:50,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:50,331 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:50,350 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-16 04:30:50,350 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:30:50,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,352 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) [2023-02-16 04:30:50,354 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 [2023-02-16 04:30:50,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:50,355 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-16 04:30:50,355 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:50,356 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-16 04:30:50,361 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 [2023-02-16 04:30:50,361 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-16 04:30:50,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:50,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:30:50,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:50,384 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:30:50,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:50,411 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:30:50,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-16 04:30:50,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 13 states and 18 transitions. Complement of second has 5 states. [2023-02-16 04:30:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-16 04:30:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-16 04:30:50,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-16 04:30:50,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:50,424 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:30:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:50,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:30:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:50,454 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:30:50,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:50,464 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:30:50,464 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-16 04:30:50,481 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 13 states and 18 transitions. Complement of second has 5 states. [2023-02-16 04:30:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-16 04:30:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-02-16 04:30:50,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-16 04:30:50,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:50,485 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:30:50,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:50,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 04:30:50,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:50,518 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:30:50,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:50,528 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:30:50,528 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-16 04:30:50,535 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 15 states and 21 transitions. Complement of second has 4 states. [2023-02-16 04:30:50,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-02-16 04:30:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-16 04:30:50,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-16 04:30:50,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:50,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2023-02-16 04:30:50,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:50,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2023-02-16 04:30:50,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:50,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2023-02-16 04:30:50,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:30:50,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 17 transitions. [2023-02-16 04:30:50,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-02-16 04:30:50,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-02-16 04:30:50,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2023-02-16 04:30:50,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:30:50,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-02-16 04:30:50,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2023-02-16 04:30:50,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 8. [2023-02-16 04:30:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 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) [2023-02-16 04:30:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2023-02-16 04:30:50,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-02-16 04:30:50,539 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2023-02-16 04:30:50,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-16 04:30:50,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2023-02-16 04:30:50,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:30:50,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:30:50,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:30:50,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-16 04:30:50,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:30:50,540 INFO L748 eck$LassoCheckResult]: Stem: 324#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 325#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~m~0#1, main_~n~0#1;havoc main_~i~0#1;havoc main_~m~0#1;havoc main_~n~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~m~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 319#L17 assume main_~m~0#1 > 0 && main_~n~0#1 > main_~m~0#1;main_~i~0#1 := main_~n~0#1; 320#L20-2 assume !!(main_~i~0#1 > 0); 321#L20 [2023-02-16 04:30:50,541 INFO L750 eck$LassoCheckResult]: Loop: 321#L20 assume !(main_~i~0#1 < main_~m~0#1);main_~i~0#1 := main_~i~0#1 - main_~m~0#1; 326#L20-2 assume !!(main_~i~0#1 > 0); 321#L20 [2023-02-16 04:30:50,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:50,541 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2023-02-16 04:30:50,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:50,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583264772] [2023-02-16 04:30:50,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:50,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:50,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:50,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1564, now seen corresponding path program 1 times [2023-02-16 04:30:50,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:50,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115286814] [2023-02-16 04:30:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:50,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 889513735, now seen corresponding path program 3 times [2023-02-16 04:30:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:30:50,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936044717] [2023-02-16 04:30:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:30:50,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:30:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:30:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:30:50,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:30:50,583 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:50,584 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:50,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:50,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:50,584 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:30:50,584 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,584 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:50,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:50,584 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration4_Lasso [2023-02-16 04:30:50,584 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:50,584 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:50,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:50,639 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:30:50,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,641 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) [2023-02-16 04:30:50,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:50,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,659 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 [2023-02-16 04:30:50,660 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:50,660 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:50,669 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 [2023-02-16 04:30:50,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,671 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) [2023-02-16 04:30:50,673 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 [2023-02-16 04:30:50,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:50,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,695 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:30:50,696 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:30:50,701 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 [2023-02-16 04:30:50,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,702 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) [2023-02-16 04:30:50,704 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 [2023-02-16 04:30:50,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:30:50,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-16 04:30:50,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,736 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) [2023-02-16 04:30:50,738 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 [2023-02-16 04:30:50,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:30:50,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:30:50,909 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:30:50,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-16 04:30:50,914 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:30:50,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:30:50,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:30:50,915 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:30:50,915 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:30:50,915 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,915 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:30:50,915 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:30:50,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-speedpldi4.c_Iteration4_Lasso [2023-02-16 04:30:50,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:30:50,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:30:50,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:30:50,997 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:30:50,997 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:30:50,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:50,998 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) [2023-02-16 04:30:51,022 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 [2023-02-16 04:30:51,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:51,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:51,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:51,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:51,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:51,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:51,034 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 [2023-02-16 04:30:51,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:51,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-16 04:30:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:51,063 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) [2023-02-16 04:30:51,063 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 [2023-02-16 04:30:51,066 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 [2023-02-16 04:30:51,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:51,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:51,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:51,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:51,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:51,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:51,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:51,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:51,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-16 04:30:51,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:51,086 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) [2023-02-16 04:30:51,087 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 [2023-02-16 04:30:51,092 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 [2023-02-16 04:30:51,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:51,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:30:51,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:51,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:51,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:51,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:30:51,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:30:51,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:30:51,103 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 [2023-02-16 04:30:51,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:51,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:51,105 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) [2023-02-16 04:30:51,108 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 [2023-02-16 04:30:51,108 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 [2023-02-16 04:30:51,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:30:51,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:30:51,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:30:51,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:30:51,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:30:51,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:30:51,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:30:51,143 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-02-16 04:30:51,143 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-02-16 04:30:51,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:30:51,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:30:51,145 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) [2023-02-16 04:30:51,147 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 [2023-02-16 04:30:51,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:30:51,183 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:30:51,183 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:30:51,183 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~m~0#1 - 1 >= 0] [2023-02-16 04:30:51,188 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 [2023-02-16 04:30:51,190 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:30:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:30:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:51,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:30:51,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:30:51,230 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:30:51,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:30:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:30:51,261 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:30:51,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 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) [2023-02-16 04:30:51,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. 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) Result 14 states and 17 transitions. Complement of second has 5 states. [2023-02-16 04:30:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:30:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2023-02-16 04:30:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-02-16 04:30:51,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-16 04:30:51,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:51,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 2 letters. [2023-02-16 04:30:51,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:51,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 4 letters. Loop has 4 letters. [2023-02-16 04:30:51,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:30:51,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-02-16 04:30:51,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:30:51,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-02-16 04:30:51,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-16 04:30:51,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-16 04:30:51,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-16 04:30:51,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:30:51,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:30:51,287 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:30:51,287 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:30:51,287 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-16 04:30:51,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:30:51,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:30:51,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-16 04:30:51,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.02 04:30:51 BoogieIcfgContainer [2023-02-16 04:30:51,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-16 04:30:51,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:30:51,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:30:51,293 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:30:51,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:30:48" (3/4) ... [2023-02-16 04:30:51,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 04:30:51,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:30:51,296 INFO L158 Benchmark]: Toolchain (without parser) took 3380.52ms. Allocated memory is still 205.5MB. Free memory was 168.6MB in the beginning and 112.5MB in the end (delta: 56.1MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-02-16 04:30:51,296 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 98.1MB in the beginning and 98.0MB in the end (delta: 66.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:30:51,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.77ms. Allocated memory is still 205.5MB. Free memory was 168.6MB in the beginning and 175.8MB in the end (delta: -7.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-02-16 04:30:51,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.15ms. Allocated memory is still 205.5MB. Free memory was 175.8MB in the beginning and 175.0MB in the end (delta: 834.0kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-16 04:30:51,297 INFO L158 Benchmark]: Boogie Preprocessor took 13.40ms. Allocated memory is still 205.5MB. Free memory was 174.2MB in the beginning and 173.6MB in the end (delta: 601.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:30:51,297 INFO L158 Benchmark]: RCFGBuilder took 205.25ms. Allocated memory is still 205.5MB. Free memory was 173.6MB in the beginning and 165.2MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-16 04:30:51,297 INFO L158 Benchmark]: BuchiAutomizer took 2979.93ms. Allocated memory is still 205.5MB. Free memory was 164.5MB in the beginning and 113.5MB in the end (delta: 50.9MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-02-16 04:30:51,298 INFO L158 Benchmark]: Witness Printer took 2.41ms. Allocated memory is still 205.5MB. Free memory was 113.5MB in the beginning and 112.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:30:51,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 98.1MB in the beginning and 98.0MB in the end (delta: 66.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.77ms. Allocated memory is still 205.5MB. Free memory was 168.6MB in the beginning and 175.8MB in the end (delta: -7.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.15ms. Allocated memory is still 205.5MB. Free memory was 175.8MB in the beginning and 175.0MB in the end (delta: 834.0kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.40ms. Allocated memory is still 205.5MB. Free memory was 174.2MB in the beginning and 173.6MB in the end (delta: 601.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 205.25ms. Allocated memory is still 205.5MB. Free memory was 173.6MB in the beginning and 165.2MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2979.93ms. Allocated memory is still 205.5MB. Free memory was 164.5MB in the beginning and 113.5MB in the end (delta: 50.9MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 2.41ms. Allocated memory is still 205.5MB. Free memory was 113.5MB in the beginning and 112.5MB in the end (delta: 1.0MB). There was no memory consumed. 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 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 5 locations. One deterministic module has affine ranking function i and consists of 3 locations. One deterministic module has affine ranking function i and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 39 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp54 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq147 hnf94 smp100 dnf100 smp100 tf108 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-16 04:30:51,309 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 [2023-02-16 04:30:51,517 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 [2023-02-16 04:30:51,713 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