./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-19 00:13:53,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-19 00:13:53,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-19 00:13:53,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-19 00:13:53,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-19 00:13:53,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-19 00:13:53,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-19 00:13:53,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-19 00:13:53,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-19 00:13:53,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-19 00:13:53,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-19 00:13:53,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-19 00:13:53,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-19 00:13:53,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-19 00:13:53,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-19 00:13:53,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-19 00:13:53,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-19 00:13:53,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-19 00:13:53,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-19 00:13:53,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-19 00:13:53,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-19 00:13:53,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-19 00:13:53,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-19 00:13:53,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-19 00:13:53,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-19 00:13:53,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-19 00:13:53,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-19 00:13:53,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-19 00:13:53,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-19 00:13:53,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-19 00:13:53,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-19 00:13:53,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-19 00:13:53,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-19 00:13:53,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-19 00:13:53,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-19 00:13:53,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-19 00:13:53,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-19 00:13:53,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-19 00:13:53,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-19 00:13:53,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-19 00:13:53,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-19 00:13:53,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-19 00:13:53,167 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-19 00:13:53,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-19 00:13:53,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-19 00:13:53,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-19 00:13:53,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-19 00:13:53,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-19 00:13:53,170 INFO L138 SettingsManager]: * Use SBE=true [2023-02-19 00:13:53,170 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-19 00:13:53,170 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-19 00:13:53,171 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-19 00:13:53,171 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-19 00:13:53,172 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-19 00:13:53,172 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-19 00:13:53,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-19 00:13:53,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-19 00:13:53,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-19 00:13:53,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-19 00:13:53,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-19 00:13:53,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-19 00:13:53,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-19 00:13:53,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-19 00:13:53,173 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-19 00:13:53,174 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-19 00:13:53,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-19 00:13:53,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-19 00:13:53,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-19 00:13:53,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-19 00:13:53,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-19 00:13:53,176 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-19 00:13:53,177 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf [2023-02-19 00:13:53,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-19 00:13:53,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-19 00:13:53,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-19 00:13:53,448 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-19 00:13:53,448 INFO L275 PluginConnector]: CDTParser initialized [2023-02-19 00:13:53,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2023-02-19 00:13:54,606 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-19 00:13:54,784 INFO L351 CDTParser]: Found 1 translation units. [2023-02-19 00:13:54,784 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2023-02-19 00:13:54,789 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5d9855a/bcd5ebd3991a4396ac560c708f7ee7ea/FLAGc9ede153c [2023-02-19 00:13:54,802 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b5d9855a/bcd5ebd3991a4396ac560c708f7ee7ea [2023-02-19 00:13:54,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-19 00:13:54,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-19 00:13:54,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-19 00:13:54,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-19 00:13:54,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-19 00:13:54,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:54,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b04a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54, skipping insertion in model container [2023-02-19 00:13:54,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:54,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-19 00:13:54,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-19 00:13:54,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:13:54,968 INFO L203 MainTranslator]: Completed pre-run [2023-02-19 00:13:54,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-19 00:13:54,991 INFO L208 MainTranslator]: Completed translation [2023-02-19 00:13:54,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54 WrapperNode [2023-02-19 00:13:54,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-19 00:13:54,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-19 00:13:54,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-19 00:13:54,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-19 00:13:55,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,024 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-02-19 00:13:55,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-19 00:13:55,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-19 00:13:55,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-19 00:13:55,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-19 00:13:55,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-19 00:13:55,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-19 00:13:55,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-19 00:13:55,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-19 00:13:55,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (1/1) ... [2023-02-19 00:13:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-19 00:13:55,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-19 00:13:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-19 00:13:55,191 INFO L235 CfgBuilder]: Building ICFG [2023-02-19 00:13:55,194 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-19 00:13:55,354 INFO L276 CfgBuilder]: Performing block encoding [2023-02-19 00:13:55,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-19 00:13:55,360 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-19 00:13:55,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:13:55 BoogieIcfgContainer [2023-02-19 00:13:55,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-19 00:13:55,362 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-19 00:13:55,362 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-19 00:13:55,365 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-19 00:13:55,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:13:55,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.02 12:13:54" (1/3) ... [2023-02-19 00:13:55,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77a48b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:13:55, skipping insertion in model container [2023-02-19 00:13:55,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:13:55,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:13:54" (2/3) ... [2023-02-19 00:13:55,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77a48b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.02 12:13:55, skipping insertion in model container [2023-02-19 00:13:55,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-19 00:13:55,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:13:55" (3/3) ... [2023-02-19 00:13:55,369 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig1.c [2023-02-19 00:13:55,442 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-19 00:13:55,443 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-19 00:13:55,443 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-19 00:13:55,443 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-19 00:13:55,443 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-19 00:13:55,443 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-19 00:13:55,443 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-19 00:13:55,444 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-19 00:13:55,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:55,459 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-02-19 00:13:55,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:55,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:55,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-19 00:13:55,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:13:55,463 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-19 00:13:55,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:13:55,465 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-02-19 00:13:55,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:13:55,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:13:55,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-19 00:13:55,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:13:55,471 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 10#L41true assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 11#L18true assume !(f_~k~0#1 > 1073741823); 7#L23-1true [2023-02-19 00:13:55,471 INFO L750 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 7#L23-1true [2023-02-19 00:13:55,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:55,476 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2023-02-19 00:13:55,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:55,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69849379] [2023-02-19 00:13:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:55,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:55,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:55,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:55,565 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2023-02-19 00:13:55,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:55,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682575776] [2023-02-19 00:13:55,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:55,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:55,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:55,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:55,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:13:55,574 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2023-02-19 00:13:55,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:13:55,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846396684] [2023-02-19 00:13:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:13:55,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:13:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:55,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:13:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:13:55,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:13:55,646 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:13:55,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:13:55,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:13:55,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:13:55,647 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:13:55,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:13:55,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:13:55,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2023-02-19 00:13:55,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:13:55,648 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:13:55,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:13:55,692 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:13:55,693 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:13:55,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-19 00:13:55,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-02-19 00:13:55,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-19 00:13:55,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,741 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,741 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:55,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-19 00:13:55,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,758 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,758 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,763 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 [2023-02-19 00:13:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-19 00:13:55,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,781 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,781 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:55,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,788 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) [2023-02-19 00:13:55,790 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 [2023-02-19 00:13:55,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,812 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#in~d#1=0, ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_#in~d#1=1, ULTIMATE.start_f_~d#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,820 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) [2023-02-19 00:13:55,821 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 [2023-02-19 00:13:55,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,823 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=0} Honda state: {ULTIMATE.start_f_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,840 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 [2023-02-19 00:13:55,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,842 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-19 00:13:55,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,862 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,862 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:55,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,869 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-19 00:13:55,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,881 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,881 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-19 00:13:55,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,886 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-19 00:13:55,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,896 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,896 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,901 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 [2023-02-19 00:13:55,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,903 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-19 00:13:55,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:13:55,914 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:13:55,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-19 00:13:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-19 00:13:55,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:13:55,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:13:55,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-19 00:13:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:13:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:13:55,948 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:13:55,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-19 00:13:55,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:13:55,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,045 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-19 00:14:08,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,062 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:08,062 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:08,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:08,062 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:08,062 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:08,062 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,062 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:08,062 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:08,062 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2023-02-19 00:14:08,062 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:08,063 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:08,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,086 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:08,092 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:08,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,095 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-19 00:14:08,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,139 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-19 00:14:08,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,180 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-19 00:14:08,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,214 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-19 00:14:08,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,254 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 [2023-02-19 00:14:08,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,256 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-19 00:14:08,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,289 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-19 00:14:08,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:08,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:08,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,318 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-19 00:14:08,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-02-19 00:14:08,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,331 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-19 00:14:08,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,349 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 [2023-02-19 00:14:08,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,350 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-19 00:14:08,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,373 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-19 00:14:08,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:08,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:08,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:08,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:08,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-19 00:14:08,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,390 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-19 00:14:08,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:08,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:08,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:08,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:08,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:08,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:08,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:08,428 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:08,437 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-19 00:14:08,437 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:14:08,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,439 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-19 00:14:08,443 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:08,453 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:08,454 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:08,454 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2023-02-19 00:14:08,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,475 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:08,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-19 00:14:08,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:08,583 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:08,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:08,631 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-02-19 00:14:08,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-02-19 00:14:08,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 58 states and 85 transitions. Complement of second has 7 states. [2023-02-19 00:14:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-19 00:14:08,701 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) [2023-02-19 00:14:08,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2023-02-19 00:14:08,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-19 00:14:08,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:08,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-19 00:14:08,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:08,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-19 00:14:08,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:08,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 85 transitions. [2023-02-19 00:14:08,713 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2023-02-19 00:14:08,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 21 states and 29 transitions. [2023-02-19 00:14:08,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-02-19 00:14:08,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-02-19 00:14:08,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2023-02-19 00:14:08,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-19 00:14:08,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2023-02-19 00:14:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2023-02-19 00:14:08,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2023-02-19 00:14:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2023-02-19 00:14:08,742 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-02-19 00:14:08,742 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-02-19 00:14:08,742 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-19 00:14:08,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2023-02-19 00:14:08,743 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-02-19 00:14:08,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:08,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:08,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-19 00:14:08,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-19 00:14:08,744 INFO L748 eck$LassoCheckResult]: Stem: 138#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 133#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 127#L18-1 assume !(f_~k~0#1 > 1073741823); 128#L23-3 [2023-02-19 00:14:08,745 INFO L750 eck$LassoCheckResult]: Loop: 128#L23-3 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 128#L23-3 [2023-02-19 00:14:08,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:08,750 INFO L85 PathProgramCache]: Analyzing trace with hash 926856, now seen corresponding path program 1 times [2023-02-19 00:14:08,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:08,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925253329] [2023-02-19 00:14:08,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:08,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:08,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:08,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash 89, now seen corresponding path program 1 times [2023-02-19 00:14:08,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:08,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289213342] [2023-02-19 00:14:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:08,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:08,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:08,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:08,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:08,773 INFO L85 PathProgramCache]: Analyzing trace with hash 28732594, now seen corresponding path program 1 times [2023-02-19 00:14:08,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:08,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301547523] [2023-02-19 00:14:08,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:08,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:08,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:08,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:08,786 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:08,786 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:08,786 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:08,787 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:08,787 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:08,787 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:08,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:08,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2023-02-19 00:14:08,787 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:08,787 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:08,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:08,803 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:08,803 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:08,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,805 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-19 00:14:08,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:08,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#in~d#1=0, ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_#in~d#1=2, ULTIMATE.start_f_~d#1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:08,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-02-19 00:14:08,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,842 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-19 00:14:08,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:08,852 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:08,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-02-19 00:14:08,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,856 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-19 00:14:08,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,867 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:08,867 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:08,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-02-19 00:14:08,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,871 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-19 00:14:08,874 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,884 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:08,884 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:08,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-02-19 00:14:08,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,889 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-02-19 00:14:08,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:08,899 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:08,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,905 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-02-19 00:14:08,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,955 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:08,955 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:08,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-02-19 00:14:08,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,959 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-02-19 00:14:08,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:08,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:08,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-02-19 00:14:08,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:08,980 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:08,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-02-19 00:14:08,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:08,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:08,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:21,084 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-19 00:14:21,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-02-19 00:14:21,098 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:21,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:21,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:21,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:21,098 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:21,098 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:21,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:21,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2023-02-19 00:14:21,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:21,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:21,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:21,126 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:21,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,127 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-02-19 00:14:21,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:21,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:21,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:21,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:21,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:21,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:21,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:21,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:21,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:21,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,164 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:21,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:21,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:21,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:21,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:21,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:21,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:21,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:21,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-02-19 00:14:21,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:21,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,205 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:21,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:21,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:21,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:21,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:21,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:21,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:21,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:21,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-02-19 00:14:21,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:21,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,239 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-02-19 00:14:21,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:21,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:21,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:21,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:21,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:21,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:21,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:21,282 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:21,291 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-19 00:14:21,291 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-02-19 00:14:21,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,293 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,301 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:21,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-02-19 00:14:21,329 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:21,330 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:21,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2023-02-19 00:14:21,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,337 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:21,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:21,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-19 00:14:21,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:21,381 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:21,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:21,382 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-02-19 00:14:21,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 10 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) [2023-02-19 00:14:21,416 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 10. 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 25 states and 36 transitions. Complement of second has 6 states. [2023-02-19 00:14:21,416 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 [2023-02-19 00:14:21,417 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) [2023-02-19 00:14:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-19 00:14:21,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-19 00:14:21,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:21,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-19 00:14:21,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:21,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-19 00:14:21,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:21,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2023-02-19 00:14:21,421 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2023-02-19 00:14:21,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 31 transitions. [2023-02-19 00:14:21,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-02-19 00:14:21,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-02-19 00:14:21,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2023-02-19 00:14:21,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-19 00:14:21,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-02-19 00:14:21,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2023-02-19 00:14:21,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2023-02-19 00:14:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2023-02-19 00:14:21,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-02-19 00:14:21,429 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-02-19 00:14:21,430 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-19 00:14:21,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2023-02-19 00:14:21,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:14:21,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:21,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:21,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-19 00:14:21,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:14:21,432 INFO L748 eck$LassoCheckResult]: Stem: 222#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 215#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 221#L18 assume !(f_~k~0#1 > 1073741823); 216#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 210#L29-2 [2023-02-19 00:14:21,433 INFO L750 eck$LassoCheckResult]: Loop: 210#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 213#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 210#L29-2 [2023-02-19 00:14:21,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,433 INFO L85 PathProgramCache]: Analyzing trace with hash 28693865, now seen corresponding path program 1 times [2023-02-19 00:14:21,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:21,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287226252] [2023-02-19 00:14:21,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:21,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 1 times [2023-02-19 00:14:21,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:21,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036620480] [2023-02-19 00:14:21,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:21,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:21,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1805001456, now seen corresponding path program 1 times [2023-02-19 00:14:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:21,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604010033] [2023-02-19 00:14:21,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:21,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:21,506 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:21,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:21,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:21,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:21,506 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:21,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:21,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:21,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2023-02-19 00:14:21,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:21,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:21,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:21,529 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,531 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-02-19 00:14:21,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:21,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:21,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:21,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:21,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,569 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:21,575 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:21,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-02-19 00:14:21,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,608 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-02-19 00:14:21,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:21,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:21,675 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:21,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-02-19 00:14:21,679 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:21,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:21,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:21,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:21,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:21,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:21,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:21,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2023-02-19 00:14:21,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:21,679 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:21,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:21,693 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:21,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,695 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:21,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:21,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:21,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:21,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:21,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-02-19 00:14:21,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:21,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:21,733 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:21,738 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:14:21,739 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:14:21,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,743 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-02-19 00:14:21,745 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:21,752 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:21,752 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:21,753 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2023-02-19 00:14:21,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,758 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:21,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:21,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:21,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:21,801 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:21,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:21,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:21,808 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 [2023-02-19 00:14:21,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2023-02-19 00:14:21,834 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 21 states and 30 transitions. Complement of second has 6 states. [2023-02-19 00:14:21,834 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 [2023-02-19 00:14:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2023-02-19 00:14:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-02-19 00:14:21,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-19 00:14:21,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:21,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-19 00:14:21,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:21,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-19 00:14:21,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:21,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2023-02-19 00:14:21,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:14:21,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 29 transitions. [2023-02-19 00:14:21,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-02-19 00:14:21,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-02-19 00:14:21,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2023-02-19 00:14:21,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:21,840 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-02-19 00:14:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2023-02-19 00:14:21,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-02-19 00:14:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2023-02-19 00:14:21,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-19 00:14:21,843 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-19 00:14:21,843 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-19 00:14:21,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2023-02-19 00:14:21,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:14:21,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:21,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:21,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-19 00:14:21,846 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:14:21,846 INFO L748 eck$LassoCheckResult]: Stem: 313#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 305#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 299#L18-1 assume !(f_~k~0#1 > 1073741823); 300#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 309#L29-5 [2023-02-19 00:14:21,846 INFO L750 eck$LassoCheckResult]: Loop: 309#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 310#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 309#L29-5 [2023-02-19 00:14:21,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,847 INFO L85 PathProgramCache]: Analyzing trace with hash 28732592, now seen corresponding path program 1 times [2023-02-19 00:14:21,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:21,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463462619] [2023-02-19 00:14:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:21,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:21,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 1 times [2023-02-19 00:14:21,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:21,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011696542] [2023-02-19 00:14:21,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:21,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:21,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1842219351, now seen corresponding path program 1 times [2023-02-19 00:14:21,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:21,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114324758] [2023-02-19 00:14:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:21,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:21,917 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:21,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:21,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:21,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:21,917 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:21,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:21,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:21,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2023-02-19 00:14:21,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:21,918 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:21,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:21,931 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:21,931 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,932 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-02-19 00:14:21,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:21,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:21,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:21,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0, ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=1, ULTIMATE.start_f_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:21,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:21,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:21,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:21,969 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:21,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:21,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:21,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-02-19 00:14:21,997 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:21,997 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:22,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,003 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:22,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-02-19 00:14:22,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,035 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:22,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-02-19 00:14:22,096 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:22,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-02-19 00:14:22,100 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:22,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:22,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:22,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:22,100 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:22,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:22,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:22,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2023-02-19 00:14:22,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:22,100 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:22,101 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,122 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:22,124 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:22,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,126 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:22,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:22,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:22,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:22,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:22,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:22,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:22,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:22,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-02-19 00:14:22,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:22,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,167 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:22,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:22,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:22,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:22,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:22,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:22,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:22,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:22,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-02-19 00:14:22,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:22,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,206 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-02-19 00:14:22,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:22,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:22,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:22,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:22,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:22,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:22,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:22,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:22,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:22,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,239 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-02-19 00:14:22,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:22,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:22,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:22,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:22,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:22,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:22,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:22,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:22,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,273 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:22,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:22,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:22,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:22,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:22,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:22,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:22,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-02-19 00:14:22,309 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:22,313 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-19 00:14:22,313 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-19 00:14:22,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,319 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-02-19 00:14:22,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:22,343 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:22,343 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:22,343 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2023-02-19 00:14:22,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,351 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:22,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:22,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:22,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:22,391 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:22,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:22,400 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 [2023-02-19 00:14:22,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2023-02-19 00:14:22,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 25 states and 36 transitions. Complement of second has 6 states. [2023-02-19 00:14:22,428 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 [2023-02-19 00:14:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2023-02-19 00:14:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-02-19 00:14:22,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-19 00:14:22,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:22,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-19 00:14:22,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:22,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-19 00:14:22,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:22,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2023-02-19 00:14:22,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:14:22,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 35 transitions. [2023-02-19 00:14:22,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-19 00:14:22,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-19 00:14:22,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2023-02-19 00:14:22,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:22,432 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 35 transitions. [2023-02-19 00:14:22,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2023-02-19 00:14:22,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-02-19 00:14:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2023-02-19 00:14:22,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 34 transitions. [2023-02-19 00:14:22,434 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 34 transitions. [2023-02-19 00:14:22,434 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-19 00:14:22,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 34 transitions. [2023-02-19 00:14:22,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-19 00:14:22,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:22,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:22,435 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:14:22,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:14:22,436 INFO L748 eck$LassoCheckResult]: Stem: 412#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 401#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 411#L18 assume !(f_~k~0#1 > 1073741823); 402#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 403#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 397#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 395#L30 [2023-02-19 00:14:22,436 INFO L750 eck$LassoCheckResult]: Loop: 395#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 396#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 415#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 395#L30 [2023-02-19 00:14:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:22,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1805001452, now seen corresponding path program 1 times [2023-02-19 00:14:22,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:22,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071158099] [2023-02-19 00:14:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:22,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:22,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:22,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:22,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:22,447 INFO L85 PathProgramCache]: Analyzing trace with hash 64389, now seen corresponding path program 1 times [2023-02-19 00:14:22,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:22,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361229179] [2023-02-19 00:14:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:22,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:22,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:22,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash -192254790, now seen corresponding path program 1 times [2023-02-19 00:14:22,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:22,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041310618] [2023-02-19 00:14:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:22,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:22,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:22,475 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:22,475 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:22,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:22,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:22,475 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:22,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:22,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:22,476 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Loop [2023-02-19 00:14:22,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:22,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:22,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:22,485 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:22,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,489 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:22,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-02-19 00:14:22,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:22,518 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=3, ULTIMATE.start_f_#t~nondet4#1=3} Honda state: {ULTIMATE.start_f_~y~0#1=3, ULTIMATE.start_f_#t~nondet4#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:22,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,523 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-02-19 00:14:22,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:22,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:22,548 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=4} Honda state: {ULTIMATE.start_f_#t~nondet3#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:22,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,555 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-02-19 00:14:22,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:22,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,585 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:22,585 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:22,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,592 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-02-19 00:14:22,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:22,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,623 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-02-19 00:14:22,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:22,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,658 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:22,658 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-3}, {ULTIMATE.start_f_~z~0#1=5}, {ULTIMATE.start_f_~z~0#1=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2023-02-19 00:14:22,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,666 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:22,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:22,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:22,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:22,666 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:22,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:22,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:22,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2023-02-19 00:14:22,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:22,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:22,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,708 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:22,708 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:22,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,711 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-02-19 00:14:22,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:22,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,744 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-02-19 00:14:22,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:22,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:22,860 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:22,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-02-19 00:14:22,863 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:22,863 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:22,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:22,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:22,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:22,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:22,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:22,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2023-02-19 00:14:22,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:22,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:22,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,872 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:22,880 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:22,881 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:22,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,882 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:22,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:22,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:22,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:22,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:22,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:22,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:22,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-02-19 00:14:22,920 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:22,934 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:14:22,934 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:14:22,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:22,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:22,936 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:22,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-02-19 00:14:22,939 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:22,948 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:22,948 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:22,948 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~d#1, ULTIMATE.start_f_~x~0#1) = -1*ULTIMATE.start_f_~d#1 + 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2023-02-19 00:14:22,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:22,960 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:22,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:22,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:22,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:22,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:23,013 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-02-19 00:14:23,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 34 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2023-02-19 00:14:23,047 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 34 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) Result 33 states and 47 transitions. Complement of second has 7 states. [2023-02-19 00:14:23,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-19 00:14:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2023-02-19 00:14:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-02-19 00:14:23,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2023-02-19 00:14:23,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:23,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-19 00:14:23,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:23,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2023-02-19 00:14:23,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:23,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2023-02-19 00:14:23,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-02-19 00:14:23,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 42 transitions. [2023-02-19 00:14:23,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-19 00:14:23,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-19 00:14:23,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 42 transitions. [2023-02-19 00:14:23,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:23,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2023-02-19 00:14:23,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 42 transitions. [2023-02-19 00:14:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2023-02-19 00:14:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 41 transitions. [2023-02-19 00:14:23,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 41 transitions. [2023-02-19 00:14:23,054 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 41 transitions. [2023-02-19 00:14:23,054 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-19 00:14:23,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 41 transitions. [2023-02-19 00:14:23,055 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-02-19 00:14:23,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:23,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:23,055 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:14:23,055 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-19 00:14:23,056 INFO L748 eck$LassoCheckResult]: Stem: 534#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 523#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 513#L18-1 assume !(f_~k~0#1 > 1073741823); 514#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 535#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 531#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 532#L30-1 [2023-02-19 00:14:23,056 INFO L750 eck$LassoCheckResult]: Loop: 532#L30-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 527#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 528#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 532#L30-1 [2023-02-19 00:14:23,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1842219347, now seen corresponding path program 1 times [2023-02-19 00:14:23,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:23,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386828336] [2023-02-19 00:14:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:23,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:23,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,064 INFO L85 PathProgramCache]: Analyzing trace with hash 103116, now seen corresponding path program 1 times [2023-02-19 00:14:23,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:23,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401833594] [2023-02-19 00:14:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:23,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:23,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,070 INFO L85 PathProgramCache]: Analyzing trace with hash 464531514, now seen corresponding path program 1 times [2023-02-19 00:14:23,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:23,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267327654] [2023-02-19 00:14:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:23,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:23,079 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:23,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:23,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:23,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:23,079 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:23,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,079 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:23,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:23,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Loop [2023-02-19 00:14:23,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:23,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:23,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:23,085 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:23,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,087 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-02-19 00:14:23,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,126 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-02-19 00:14:23,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:23,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:23,162 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-3}, {ULTIMATE.start_f_~z~0#1=5}, {ULTIMATE.start_f_~z~0#1=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2023-02-19 00:14:23,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,167 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-02-19 00:14:23,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,193 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:23,193 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=4} Honda state: {ULTIMATE.start_f_#t~nondet3#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:23,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,199 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-02-19 00:14:23,216 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:23,217 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:23,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-02-19 00:14:23,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,221 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-02-19 00:14:23,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,241 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:23,241 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=3, ULTIMATE.start_f_#t~nondet4#1=3} Honda state: {ULTIMATE.start_f_~y~0#1=3, ULTIMATE.start_f_#t~nondet4#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:23,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-02-19 00:14:23,259 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:23,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:23,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:23,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:23,259 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:23,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:23,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:23,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2023-02-19 00:14:23,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:23,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:23,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:23,276 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:23,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,277 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-02-19 00:14:23,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,309 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:23,309 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:23,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,314 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-02-19 00:14:23,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:23,326 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:23,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,330 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-02-19 00:14:23,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:23,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,343 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-02-19 00:14:23,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:23,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:23,452 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:23,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,456 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:23,456 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:23,456 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:23,456 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:23,456 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:23,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:23,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:23,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2023-02-19 00:14:23,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:23,457 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:23,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:23,472 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:23,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,473 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-02-19 00:14:23,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:23,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:23,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:23,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-02-19 00:14:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,516 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-02-19 00:14:23,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:23,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:23,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,564 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:23,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:23,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:23,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-02-19 00:14:23,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,597 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-02-19 00:14:23,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:23,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:23,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:23,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,629 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-02-19 00:14:23,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:23,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:23,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:23,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,656 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:23,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,669 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-02-19 00:14:23,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,670 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-19 00:14:23,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:23,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-02-19 00:14:23,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,690 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:23,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:23,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-02-19 00:14:23,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,729 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:23,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:23,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:23,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-02-19 00:14:23,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:23,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-02-19 00:14:23,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,756 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-02-19 00:14:23,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:23,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:23,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:23,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:23,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:23,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:23,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:23,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:23,788 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-19 00:14:23,788 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-02-19 00:14:23,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:23,793 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:23,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-02-19 00:14:23,796 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:23,822 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:23,822 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:23,822 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2023-02-19 00:14:23,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:23,829 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:23,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:23,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:23,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:23,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:23,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:23,889 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-02-19 00:14:23,889 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 41 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2023-02-19 00:14:23,923 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 41 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) Result 38 states and 54 transitions. Complement of second has 7 states. [2023-02-19 00:14:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-02-19 00:14:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2023-02-19 00:14:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-02-19 00:14:23,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2023-02-19 00:14:23,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:23,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-19 00:14:23,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:23,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2023-02-19 00:14:23,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:23,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 54 transitions. [2023-02-19 00:14:23,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:14:23,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 34 states and 49 transitions. [2023-02-19 00:14:23,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-19 00:14:23,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-19 00:14:23,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2023-02-19 00:14:23,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:23,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 49 transitions. [2023-02-19 00:14:23,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2023-02-19 00:14:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-02-19 00:14:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 48 transitions. [2023-02-19 00:14:23,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 48 transitions. [2023-02-19 00:14:23,941 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 48 transitions. [2023-02-19 00:14:23,941 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-02-19 00:14:23,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 48 transitions. [2023-02-19 00:14:23,943 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:14:23,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:23,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:23,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:14:23,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:14:23,944 INFO L748 eck$LassoCheckResult]: Stem: 669#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 652#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 653#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 664#L18 assume !(f_~k~0#1 > 1073741823); 654#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 655#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 671#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 645#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 646#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 674#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 649#L29-2 [2023-02-19 00:14:23,944 INFO L750 eck$LassoCheckResult]: Loop: 649#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 648#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 649#L29-2 [2023-02-19 00:14:23,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash -192254786, now seen corresponding path program 1 times [2023-02-19 00:14:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:23,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351888418] [2023-02-19 00:14:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:23,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:23,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 2 times [2023-02-19 00:14:23,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:23,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64916150] [2023-02-19 00:14:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:23,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash -73254651, now seen corresponding path program 2 times [2023-02-19 00:14:23,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:23,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632940492] [2023-02-19 00:14:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:23,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:23,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:23,997 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:23,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:23,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:23,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:23,997 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:23,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:23,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:23,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:23,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2023-02-19 00:14:23,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:23,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:23,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:23,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,015 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:24,015 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:24,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,021 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-02-19 00:14:24,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,047 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,052 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-02-19 00:14:24,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,057 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,078 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,078 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,083 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-02-19 00:14:24,113 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,113 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,118 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-02-19 00:14:24,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,143 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,143 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,148 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-02-19 00:14:24,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,181 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,186 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-02-19 00:14:24,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,215 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,215 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,220 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-02-19 00:14:24,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,229 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,230 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2023-02-19 00:14:24,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,242 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-02-19 00:14:24,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,255 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,255 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,261 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-02-19 00:14:24,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,271 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-02-19 00:14:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,274 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-02-19 00:14:24,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,288 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-02-19 00:14:24,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:24,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,357 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:24,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2023-02-19 00:14:24,361 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:24,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:24,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:24,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:24,362 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:24,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:24,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:24,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2023-02-19 00:14:24,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:24,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:24,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:24,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:24,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,378 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:24,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:24,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:24,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-02-19 00:14:24,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,424 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:24,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:24,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-02-19 00:14:24,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,462 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:24,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:24,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-02-19 00:14:24,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,506 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2023-02-19 00:14:24,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:24,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:24,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:24,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,536 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-02-19 00:14:24,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:24,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:24,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,575 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-02-19 00:14:24,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:24,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:24,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:24,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,610 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:24,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:24,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:24,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-02-19 00:14:24,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,646 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-02-19 00:14:24,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:24,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:24,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:24,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:24,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,663 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-02-19 00:14:24,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:24,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:24,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:24,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:24,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:24,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:24,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:24,692 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:24,697 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-19 00:14:24,697 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-19 00:14:24,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,698 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-02-19 00:14:24,717 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:24,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,729 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:24,729 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:24,729 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2023-02-19 00:14:24,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,733 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:24,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:24,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:24,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:24,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:24,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:24,792 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 [2023-02-19 00:14:24,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 48 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:24,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 48 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 70 transitions. Complement of second has 6 states. [2023-02-19 00:14:24,817 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 [2023-02-19 00:14:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-19 00:14:24,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2023-02-19 00:14:24,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:24,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:24,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:24,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2023-02-19 00:14:24,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:24,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 70 transitions. [2023-02-19 00:14:24,820 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:14:24,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 43 states and 60 transitions. [2023-02-19 00:14:24,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-02-19 00:14:24,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-02-19 00:14:24,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 60 transitions. [2023-02-19 00:14:24,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:24,821 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 60 transitions. [2023-02-19 00:14:24,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 60 transitions. [2023-02-19 00:14:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2023-02-19 00:14:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 40 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-02-19 00:14:24,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-02-19 00:14:24,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-02-19 00:14:24,823 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-02-19 00:14:24,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 58 transitions. [2023-02-19 00:14:24,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:14:24,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:24,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:24,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:14:24,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:14:24,824 INFO L748 eck$LassoCheckResult]: Stem: 815#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 802#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 803#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 797#L18-1 assume !(f_~k~0#1 > 1073741823); 798#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 816#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 821#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 811#L30-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 812#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 824#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 807#L29-5 [2023-02-19 00:14:24,824 INFO L750 eck$LassoCheckResult]: Loop: 807#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 808#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 807#L29-5 [2023-02-19 00:14:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:24,825 INFO L85 PathProgramCache]: Analyzing trace with hash 464531518, now seen corresponding path program 1 times [2023-02-19 00:14:24,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:24,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338394362] [2023-02-19 00:14:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:24,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:24,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:24,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 2 times [2023-02-19 00:14:24,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:24,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271310498] [2023-02-19 00:14:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:24,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:24,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:24,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:24,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash -261807771, now seen corresponding path program 2 times [2023-02-19 00:14:24,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:24,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058882450] [2023-02-19 00:14:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:24,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:24,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:24,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:24,848 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:24,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:24,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:24,848 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:24,848 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:24,848 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,848 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:24,848 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:24,848 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2023-02-19 00:14:24,849 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:24,849 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:24,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,855 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:24,858 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:24,859 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,860 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-02-19 00:14:24,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,878 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,878 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,882 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2023-02-19 00:14:24,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,892 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,892 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,896 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2023-02-19 00:14:24,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,909 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,910 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,914 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2023-02-19 00:14:24,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,934 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-02-19 00:14:24,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,950 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:24,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,953 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-02-19 00:14:24,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:24,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:24,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2023-02-19 00:14:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,968 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-02-19 00:14:24,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:24,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:24,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2023-02-19 00:14:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:24,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:24,982 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:24,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-02-19 00:14:24,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:24,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,045 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:25,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2023-02-19 00:14:25,049 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:25,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:25,049 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:25,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:25,049 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:25,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,049 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:25,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:25,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2023-02-19 00:14:25,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:25,050 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:25,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,068 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:25,068 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:25,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,070 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2023-02-19 00:14:25,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,101 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2023-02-19 00:14:25,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,116 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-02-19 00:14:25,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,129 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-02-19 00:14:25,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2023-02-19 00:14:25,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,143 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-02-19 00:14:25,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:25,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:25,187 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:25,193 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-19 00:14:25,193 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-02-19 00:14:25,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,195 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-02-19 00:14:25,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:25,204 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:25,204 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:25,204 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2023-02-19 00:14:25,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,209 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:25,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:25,259 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 [2023-02-19 00:14:25,260 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 58 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:25,287 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 58 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 80 transitions. Complement of second has 6 states. [2023-02-19 00:14:25,287 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 [2023-02-19 00:14:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-19 00:14:25,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2023-02-19 00:14:25,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:25,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:25,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:25,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2023-02-19 00:14:25,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:25,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 80 transitions. [2023-02-19 00:14:25,293 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:14:25,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 70 transitions. [2023-02-19 00:14:25,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-02-19 00:14:25,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-02-19 00:14:25,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 70 transitions. [2023-02-19 00:14:25,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:25,295 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 70 transitions. [2023-02-19 00:14:25,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 70 transitions. [2023-02-19 00:14:25,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2023-02-19 00:14:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 48 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2023-02-19 00:14:25,303 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2023-02-19 00:14:25,303 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 68 transitions. [2023-02-19 00:14:25,303 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-02-19 00:14:25,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 68 transitions. [2023-02-19 00:14:25,306 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-19 00:14:25,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:25,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:25,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:14:25,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:14:25,307 INFO L748 eck$LassoCheckResult]: Stem: 986#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 973#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 974#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 983#L18 assume !(f_~k~0#1 > 1073741823); 970#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 971#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 988#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1006#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 992#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 993#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 1002#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1000#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 967#L29-2 [2023-02-19 00:14:25,307 INFO L750 eck$LassoCheckResult]: Loop: 967#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 966#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 967#L29-2 [2023-02-19 00:14:25,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash 36731799, now seen corresponding path program 3 times [2023-02-19 00:14:25,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:25,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18001653] [2023-02-19 00:14:25,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:25,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:25,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:25,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:25,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 3 times [2023-02-19 00:14:25,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:25,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327193705] [2023-02-19 00:14:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:25,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:25,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:25,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,343 INFO L85 PathProgramCache]: Analyzing trace with hash 939521438, now seen corresponding path program 4 times [2023-02-19 00:14:25,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:25,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416652138] [2023-02-19 00:14:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:25,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:25,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:25,366 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:25,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:25,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:25,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:25,366 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:25,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:25,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:25,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2023-02-19 00:14:25,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:25,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:25,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,380 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:25,380 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:25,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,381 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-02-19 00:14:25,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,396 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:25,396 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:25,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2023-02-19 00:14:25,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,400 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-02-19 00:14:25,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:25,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:25,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,415 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-02-19 00:14:25,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,426 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:25,426 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:25,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,430 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-02-19 00:14:25,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,440 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:25,441 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:25,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,444 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-02-19 00:14:25,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,461 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:25,461 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:25,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2023-02-19 00:14:25,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,465 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-02-19 00:14:25,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,474 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:25,475 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:25,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2023-02-19 00:14:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,479 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2023-02-19 00:14:25,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:25,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,505 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2023-02-19 00:14:25,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:25,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:25,573 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:25,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,576 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:25,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:25,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:25,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:25,577 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:25,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:25,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:25,577 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2023-02-19 00:14:25,577 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:25,577 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:25,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:25,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:25,590 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:25,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,591 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2023-02-19 00:14:25,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,612 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2023-02-19 00:14:25,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,635 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2023-02-19 00:14:25,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,650 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2023-02-19 00:14:25,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2023-02-19 00:14:25,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,666 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2023-02-19 00:14:25,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,707 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2023-02-19 00:14:25,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,717 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-02-19 00:14:25,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,718 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-02-19 00:14:25,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:25,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2023-02-19 00:14:25,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,724 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2023-02-19 00:14:25,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:25,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:25,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,751 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:25,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:25,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2023-02-19 00:14:25,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2023-02-19 00:14:25,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,780 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2023-02-19 00:14:25,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:25,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:25,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:25,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:25,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:25,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,796 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2023-02-19 00:14:25,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:25,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:25,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:25,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:25,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:25,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:25,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:25,813 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:25,819 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-19 00:14:25,819 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-02-19 00:14:25,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:25,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:25,823 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:25,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2023-02-19 00:14:25,826 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:25,833 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:25,833 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:25,833 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2023-02-19 00:14:25,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2023-02-19 00:14:25,838 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:25,877 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 [2023-02-19 00:14:25,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:25,897 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 57 states and 76 transitions. Complement of second has 6 states. [2023-02-19 00:14:25,897 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 [2023-02-19 00:14:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-19 00:14:25,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:25,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:25,898 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:14:25,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,933 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:25,940 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-19 00:14:25,940 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:25,957 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 57 states and 76 transitions. Complement of second has 6 states. [2023-02-19 00:14:25,958 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 [2023-02-19 00:14:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-19 00:14:25,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:25,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:25,958 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:14:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:25,997 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:25,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:26,003 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-19 00:14:26,003 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,022 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 60 states and 81 transitions. Complement of second has 5 states. [2023-02-19 00:14:26,022 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 [2023-02-19 00:14:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-02-19 00:14:26,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:26,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 14 letters. Loop has 2 letters. [2023-02-19 00:14:26,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 12 letters. Loop has 4 letters. [2023-02-19 00:14:26,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 81 transitions. [2023-02-19 00:14:26,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-19 00:14:26,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 26 states and 35 transitions. [2023-02-19 00:14:26,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-02-19 00:14:26,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-02-19 00:14:26,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 35 transitions. [2023-02-19 00:14:26,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-19 00:14:26,025 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-02-19 00:14:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 35 transitions. [2023-02-19 00:14:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-19 00:14:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-19 00:14:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2023-02-19 00:14:26,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-02-19 00:14:26,027 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-02-19 00:14:26,027 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-02-19 00:14:26,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2023-02-19 00:14:26,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-19 00:14:26,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-19 00:14:26,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-19 00:14:26,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-19 00:14:26,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-19 00:14:26,027 INFO L748 eck$LassoCheckResult]: Stem: 1367#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 1361#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 1362#L18-1 assume !(f_~k~0#1 > 1073741823); 1366#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 1369#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1371#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1383#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1382#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 1380#L30-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 1379#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1378#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1377#L29-5 [2023-02-19 00:14:26,028 INFO L750 eck$LassoCheckResult]: Loop: 1377#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1376#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1377#L29-5 [2023-02-19 00:14:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash -151821321, now seen corresponding path program 3 times [2023-02-19 00:14:26,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:26,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596955148] [2023-02-19 00:14:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:26,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:26,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:26,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:26,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:26,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 3 times [2023-02-19 00:14:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:26,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519534356] [2023-02-19 00:14:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:26,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:26,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:26,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash 128600798, now seen corresponding path program 4 times [2023-02-19 00:14:26,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-19 00:14:26,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093114698] [2023-02-19 00:14:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-19 00:14:26,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-19 00:14:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:26,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-19 00:14:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-19 00:14:26,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-19 00:14:26,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:26,079 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:26,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:26,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:26,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:26,079 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-19 00:14:26,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,079 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:26,079 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:26,079 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2023-02-19 00:14:26,079 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:26,079 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:26,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,090 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:26,090 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-19 00:14:26,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:26,099 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:26,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:26,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2023-02-19 00:14:26,116 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:26,116 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:26,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2023-02-19 00:14:26,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,119 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2023-02-19 00:14:26,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:26,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:26,134 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-19 00:14:26,134 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-19 00:14:26,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:26,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,138 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2023-02-19 00:14:26,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-19 00:14:26,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:26,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:26,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,152 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2023-02-19 00:14:26,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-19 00:14:26,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-19 00:14:26,219 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-19 00:14:26,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2023-02-19 00:14:26,223 INFO L210 LassoAnalysis]: Preferences: [2023-02-19 00:14:26,223 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-19 00:14:26,223 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-19 00:14:26,223 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-19 00:14:26,223 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-19 00:14:26,223 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,223 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-19 00:14:26,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-19 00:14:26,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2023-02-19 00:14:26,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-19 00:14:26,224 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-19 00:14:26,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-19 00:14:26,240 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-19 00:14:26,240 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-19 00:14:26,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,241 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2023-02-19 00:14:26,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:26,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:26,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-19 00:14:26,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:26,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:26,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:26,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-19 00:14:26,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-19 00:14:26,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:26,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2023-02-19 00:14:26,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,258 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2023-02-19 00:14:26,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:26,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:26,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:26,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:26,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:26,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:26,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:26,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-19 00:14:26,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2023-02-19 00:14:26,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,276 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2023-02-19 00:14:26,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-19 00:14:26,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-19 00:14:26,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-19 00:14:26,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-19 00:14:26,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-19 00:14:26,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-19 00:14:26,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-19 00:14:26,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-19 00:14:26,301 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-19 00:14:26,301 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-02-19 00:14:26,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-19 00:14:26,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-19 00:14:26,305 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-19 00:14:26,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2023-02-19 00:14:26,309 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-19 00:14:26,329 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-19 00:14:26,330 INFO L513 LassoAnalysis]: Proved termination. [2023-02-19 00:14:26,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2023-02-19 00:14:26,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2023-02-19 00:14:26,334 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-19 00:14:26,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:26,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:26,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:26,365 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:26,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:26,370 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 [2023-02-19 00:14:26,370 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 34 states and 43 transitions. Complement of second has 6 states. [2023-02-19 00:14:26,388 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 [2023-02-19 00:14:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-19 00:14:26,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:26,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,389 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:14:26,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:26,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:26,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:26,425 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:26,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:26,431 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-19 00:14:26,431 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,446 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 34 states and 43 transitions. Complement of second has 6 states. [2023-02-19 00:14:26,446 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 [2023-02-19 00:14:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-19 00:14:26,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:26,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,447 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-19 00:14:26,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-19 00:14:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:26,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-19 00:14:26,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-19 00:14:26,477 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-19 00:14:26,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-19 00:14:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-19 00:14:26,484 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-19 00:14:26,484 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,501 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 37 states and 48 transitions. Complement of second has 5 states. [2023-02-19 00:14:26,501 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 [2023-02-19 00:14:26,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2023-02-19 00:14:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-02-19 00:14:26,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-19 00:14:26,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 2 letters. [2023-02-19 00:14:26,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2023-02-19 00:14:26,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-19 00:14:26,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2023-02-19 00:14:26,503 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-19 00:14:26,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2023-02-19 00:14:26,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-19 00:14:26,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-19 00:14:26,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-19 00:14:26,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-19 00:14:26,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:14:26,504 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:14:26,504 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-19 00:14:26,504 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-02-19 00:14:26,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-19 00:14:26,504 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-19 00:14:26,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-19 00:14:26,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.02 12:14:26 BoogieIcfgContainer [2023-02-19 00:14:26,509 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-19 00:14:26,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-19 00:14:26,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-19 00:14:26,509 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-19 00:14:26,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:13:55" (3/4) ... [2023-02-19 00:14:26,512 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-19 00:14:26,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-19 00:14:26,512 INFO L158 Benchmark]: Toolchain (without parser) took 31707.38ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 100.0MB in the beginning and 116.2MB in the end (delta: -16.2MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2023-02-19 00:14:26,513 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 87.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:14:26,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.89ms. Allocated memory is still 144.7MB. Free memory was 100.0MB in the beginning and 90.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-19 00:14:26,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.06ms. Allocated memory is still 144.7MB. Free memory was 90.8MB in the beginning and 89.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-19 00:14:26,513 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 88.3MB in the end (delta: 722.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-19 00:14:26,514 INFO L158 Benchmark]: RCFGBuilder took 303.70ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 78.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-19 00:14:26,514 INFO L158 Benchmark]: BuchiAutomizer took 31146.67ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 78.2MB in the beginning and 117.2MB in the end (delta: -39.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-02-19 00:14:26,514 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 199.2MB. Free memory was 117.2MB in the beginning and 116.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-19 00:14:26,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 87.5MB in the beginning and 87.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.89ms. Allocated memory is still 144.7MB. Free memory was 100.0MB in the beginning and 90.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.06ms. Allocated memory is still 144.7MB. Free memory was 90.8MB in the beginning and 89.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 88.3MB in the end (delta: 722.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.70ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 78.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 31146.67ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 78.2MB in the beginning and 117.2MB in the end (delta: -39.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 199.2MB. Free memory was 117.2MB in the beginning and 116.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function -1 * d + x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.0s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 29.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 22 StatesRemovedByMinimization, 8 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 [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 199 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf92 smp100 dnf100 smp100 tf101 neg99 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 50 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-19 00:14:26,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2023-02-19 00:14:26,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE