./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 b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/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-?-b5317da-m [2023-02-16 04:31:09,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:31:09,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:31:09,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:31:09,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:31:09,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:31:09,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:31:09,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:31:09,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:31:09,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:31:09,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:31:09,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:31:09,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:31:09,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:31:09,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:31:09,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:31:09,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:31:09,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:31:09,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:31:09,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:31:09,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:31:09,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:31:09,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:31:09,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:31:09,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:31:09,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:31:09,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:31:09,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:31:09,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:31:09,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:31:09,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:31:09,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:31:09,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:31:09,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:31:09,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:31:09,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:31:09,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:31:09,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:31:09,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:31:09,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:31:09,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:31:09,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-16 04:31:09,995 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:31:09,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:31:09,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:31:09,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:31:09,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:31:09,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:31:09,998 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:31:09,998 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-16 04:31:09,998 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-16 04:31:09,998 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-16 04:31:09,999 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-16 04:31:09,999 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-16 04:31:09,999 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-16 04:31:09,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:31:09,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:31:09,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:31:10,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:31:10,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-16 04:31:10,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-16 04:31:10,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-16 04:31:10,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:31:10,000 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-16 04:31:10,001 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:31:10,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-16 04:31:10,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:31:10,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:31:10,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:31:10,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:31:10,003 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-16 04:31:10,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf [2023-02-16 04:31:10,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:31:10,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:31:10,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:31:10,234 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:31:10,235 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:31:10,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2023-02-16 04:31:11,234 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:31:11,362 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:31:11,363 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2023-02-16 04:31:11,367 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd91615d/e4f39766e3fd48afbbe75c001f1b447f/FLAG1dbdadb88 [2023-02-16 04:31:11,377 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd91615d/e4f39766e3fd48afbbe75c001f1b447f [2023-02-16 04:31:11,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:31:11,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:31:11,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:31:11,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:31:11,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:31:11,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480eeb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11, skipping insertion in model container [2023-02-16 04:31:11,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:31:11,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:31:11,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:31:11,495 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:31:11,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:31:11,515 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:31:11,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11 WrapperNode [2023-02-16 04:31:11,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:31:11,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:31:11,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:31:11,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:31:11,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,545 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-02-16 04:31:11,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:31:11,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:31:11,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:31:11,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:31:11,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:31:11,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:31:11,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:31:11,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:31:11,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (1/1) ... [2023-02-16 04:31:11,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:11,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:11,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:11,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-02-16 04:31:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:31:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:31:11,661 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:31:11,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:31:11,742 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:31:11,747 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:31:11,747 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-16 04:31:11,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:31:11 BoogieIcfgContainer [2023-02-16 04:31:11,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:31:11,749 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-16 04:31:11,750 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-16 04:31:11,752 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-16 04:31:11,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:31:11,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.02 04:31:11" (1/3) ... [2023-02-16 04:31:11,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73a3464b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:31:11, skipping insertion in model container [2023-02-16 04:31:11,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:31:11,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:11" (2/3) ... [2023-02-16 04:31:11,754 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73a3464b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:31:11, skipping insertion in model container [2023-02-16 04:31:11,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:31:11,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:31:11" (3/3) ... [2023-02-16 04:31:11,755 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig1.c [2023-02-16 04:31:11,799 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-16 04:31:11,799 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-16 04:31:11,799 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-16 04:31:11,799 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-16 04:31:11,799 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-16 04:31:11,799 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-16 04:31:11,800 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-16 04:31:11,800 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-16 04:31:11,803 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) [2023-02-16 04:31:11,814 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-02-16 04:31:11,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:11,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:11,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-16 04:31:11,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:31:11,817 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-16 04:31:11,818 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) [2023-02-16 04:31:11,819 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-02-16 04:31:11,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:11,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:11,819 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-16 04:31:11,819 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:31:11,824 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 10#L41true assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 11#L18true assume !(f_~k~0#1 > 1073741823); 7#L23-1true [2023-02-16 04:31:11,824 INFO L750 eck$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 [2023-02-16 04:31:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2023-02-16 04:31:11,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:11,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488400151] [2023-02-16 04:31:11,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:11,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:11,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:11,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2023-02-16 04:31:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:11,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510812254] [2023-02-16 04:31:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:11,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:11,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:11,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:11,914 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2023-02-16 04:31:11,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:11,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942270829] [2023-02-16 04:31:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:11,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:11,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:12,040 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:12,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:12,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:12,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:12,041 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:12,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,041 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:12,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:12,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2023-02-16 04:31:12,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:12,041 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:12,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:12,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:12,217 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:12,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-16 04:31:12,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,247 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: [] [2023-02-16 04:31:12,251 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 [2023-02-16 04:31:12,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-16 04:31:12,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,265 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,265 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: [] [2023-02-16 04:31:12,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-16 04:31:12,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-16 04:31:12,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,300 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,301 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: [] [2023-02-16 04:31:12,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-16 04:31:12,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,329 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,329 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: [] [2023-02-16 04:31:12,332 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 [2023-02-16 04:31:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,334 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-16 04:31:12,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,354 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: [] [2023-02-16 04:31:12,364 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 [2023-02-16 04:31:12,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-16 04:31:12,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,387 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,387 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: [] [2023-02-16 04:31:12,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,392 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-16 04:31:12,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,404 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,404 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: [] [2023-02-16 04:31:12,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-16 04:31:12,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,429 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,429 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: [] [2023-02-16 04:31:12,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,434 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-16 04:31:12,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,452 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: [] [2023-02-16 04:31:12,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,467 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-16 04:31:12,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:12,515 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: [] [2023-02-16 04:31:12,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,521 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-16 04:31:12,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:12,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:12,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:12,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:12,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:12,545 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:12,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-16 04:31:12,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:12,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:24,643 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-16 04:31:24,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,659 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:24,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:24,659 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:24,659 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:24,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:24,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:24,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:24,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2023-02-16 04:31:24,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:24,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:24,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:24,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:24,765 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:24,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,768 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-16 04:31:24,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,821 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-16 04:31:24,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,849 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-16 04:31:24,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,869 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 [2023-02-16 04:31:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,870 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-16 04:31:24,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,889 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-16 04:31:24,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-16 04:31:24,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,905 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-16 04:31:24,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:24,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:24,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,933 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-16 04:31:24,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,959 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-16 04:31:24,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:24,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:24,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:24,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:24,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:24,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:24,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:24,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:24,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:24,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:24,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:24,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:24,993 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:24,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-16 04:31:24,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:25,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:25,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:25,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:25,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:25,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:25,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:25,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:25,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:25,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,031 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-16 04:31:25,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:25,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:25,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:25,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:25,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:25,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:25,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:25,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:25,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:25,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,055 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-16 04:31:25,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:25,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:25,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:25,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:25,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:25,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:25,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:25,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:25,092 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-16 04:31:25,092 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:31:25,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,096 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,107 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:25,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-16 04:31:25,125 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:25,126 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:25,126 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] [2023-02-16 04:31:25,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-16 04:31:25,138 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:25,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:25,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:31:25,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:25,203 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:25,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:25,226 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 [2023-02-16 04:31:25,227 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) [2023-02-16 04:31:25,269 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. [2023-02-16 04:31:25,271 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 [2023-02-16 04:31:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2023-02-16 04:31:25,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-16 04:31:25,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:25,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-16 04:31:25,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:25,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-16 04:31:25,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:25,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 85 transitions. [2023-02-16 04:31:25,279 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2023-02-16 04:31:25,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 21 states and 29 transitions. [2023-02-16 04:31:25,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-02-16 04:31:25,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-02-16 04:31:25,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2023-02-16 04:31:25,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:31:25,282 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2023-02-16 04:31:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2023-02-16 04:31:25,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2023-02-16 04:31:25,297 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) [2023-02-16 04:31:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2023-02-16 04:31:25,298 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-02-16 04:31:25,298 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-02-16 04:31:25,298 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-16 04:31:25,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2023-02-16 04:31:25,299 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-02-16 04:31:25,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:25,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:25,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-02-16 04:31:25,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-16 04:31:25,299 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 [2023-02-16 04:31:25,300 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 [2023-02-16 04:31:25,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:25,300 INFO L85 PathProgramCache]: Analyzing trace with hash 926856, now seen corresponding path program 1 times [2023-02-16 04:31:25,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:25,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661958426] [2023-02-16 04:31:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:25,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:25,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:25,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:25,307 INFO L85 PathProgramCache]: Analyzing trace with hash 89, now seen corresponding path program 1 times [2023-02-16 04:31:25,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:25,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147357550] [2023-02-16 04:31:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:25,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:25,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:25,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash 28732594, now seen corresponding path program 1 times [2023-02-16 04:31:25,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:25,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216247778] [2023-02-16 04:31:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:25,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:25,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:25,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:25,358 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:25,358 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:25,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:25,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:25,358 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:25,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:25,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:25,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2023-02-16 04:31:25,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:25,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:25,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:25,446 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:25,446 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:25,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,447 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-02-16 04:31:25,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:25,513 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: [] [2023-02-16 04:31:25,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,520 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-02-16 04:31:25,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,544 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:25,544 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: [] [2023-02-16 04:31:25,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,549 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-02-16 04:31:25,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:25,559 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: [] [2023-02-16 04:31:25,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,563 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-16 04:31:25,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-02-16 04:31:25,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,570 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:25,599 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: [] [2023-02-16 04:31:25,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,605 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) [2023-02-16 04:31:25,606 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 [2023-02-16 04:31:25,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,616 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:25,616 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: [] [2023-02-16 04:31:25,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-16 04:31:25,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,621 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) [2023-02-16 04:31:25,621 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 [2023-02-16 04:31:25,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,623 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:25,631 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: [] [2023-02-16 04:31:25,633 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 [2023-02-16 04:31:25,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,635 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) [2023-02-16 04:31:25,635 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 [2023-02-16 04:31:25,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:25,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:25,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:25,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:25,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:25,661 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) [2023-02-16 04:31:25,665 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 [2023-02-16 04:31:25,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:25,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:37,760 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-02-16 04:31:37,773 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 [2023-02-16 04:31:37,773 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:37,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:37,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:37,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:37,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:37,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:37,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:37,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:37,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2023-02-16 04:31:37,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:37,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:37,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:37,850 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 [2023-02-16 04:31:37,872 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:37,872 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:37,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:37,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:37,873 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) [2023-02-16 04:31:37,875 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 [2023-02-16 04:31:37,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:37,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:37,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:37,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:37,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:37,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:37,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:37,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:37,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:37,889 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 [2023-02-16 04:31:37,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:37,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:37,890 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) [2023-02-16 04:31:37,891 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 [2023-02-16 04:31:37,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:37,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:37,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:37,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:37,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:37,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:37,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:37,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:37,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:37,909 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 [2023-02-16 04:31:37,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:37,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:37,911 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) [2023-02-16 04:31:37,913 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 [2023-02-16 04:31:37,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:37,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:37,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:37,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:37,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:37,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:37,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:37,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:37,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:37,943 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 [2023-02-16 04:31:37,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:37,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:37,944 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) [2023-02-16 04:31:37,946 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 [2023-02-16 04:31:37,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:37,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:37,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:37,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:37,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:37,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:37,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:37,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:37,979 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-16 04:31:37,979 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-02-16 04:31:37,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:37,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:37,981 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) [2023-02-16 04:31:37,994 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 [2023-02-16 04:31:37,997 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:38,005 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:38,005 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:38,005 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] [2023-02-16 04:31:38,011 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 [2023-02-16 04:31:38,015 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:38,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:38,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 04:31:38,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:38,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:38,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:38,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:38,076 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 [2023-02-16 04:31:38,076 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) [2023-02-16 04:31:38,113 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. [2023-02-16 04:31:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-16 04:31:38,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-16 04:31:38,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:38,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 1 letters. [2023-02-16 04:31:38,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:38,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2023-02-16 04:31:38,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:38,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2023-02-16 04:31:38,116 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2023-02-16 04:31:38,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 31 transitions. [2023-02-16 04:31:38,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-02-16 04:31:38,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-02-16 04:31:38,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2023-02-16 04:31:38,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:31:38,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-02-16 04:31:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2023-02-16 04:31:38,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2023-02-16 04:31:38,118 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) [2023-02-16 04:31:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2023-02-16 04:31:38,118 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-02-16 04:31:38,118 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2023-02-16 04:31:38,118 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-16 04:31:38,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2023-02-16 04:31:38,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-16 04:31:38,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:38,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:38,120 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-16 04:31:38,120 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:31:38,120 INFO L748 eck$LassoCheckResult]: Stem: 222#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 215#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 221#L18 assume !(f_~k~0#1 > 1073741823); 216#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 210#L29-2 [2023-02-16 04:31:38,121 INFO L750 eck$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 [2023-02-16 04:31:38,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,121 INFO L85 PathProgramCache]: Analyzing trace with hash 28693865, now seen corresponding path program 1 times [2023-02-16 04:31:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:38,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640448922] [2023-02-16 04:31:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:38,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 1 times [2023-02-16 04:31:38,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:38,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944058254] [2023-02-16 04:31:38,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:38,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:38,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1805001456, now seen corresponding path program 1 times [2023-02-16 04:31:38,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:38,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687919782] [2023-02-16 04:31:38,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:38,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:38,192 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:38,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:38,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:38,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:38,193 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:38,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:38,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:38,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2023-02-16 04:31:38,193 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:38,193 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:38,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,270 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:38,270 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:38,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,287 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) [2023-02-16 04:31:38,289 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:38,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,299 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 [2023-02-16 04:31:38,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:38,317 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: [] [2023-02-16 04:31:38,320 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 [2023-02-16 04:31:38,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,325 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) [2023-02-16 04:31:38,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:38,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,344 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 [2023-02-16 04:31:38,367 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 [2023-02-16 04:31:38,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,369 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) [2023-02-16 04:31:38,371 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 [2023-02-16 04:31:38,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:38,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,432 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:38,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:38,443 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:38,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:38,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:38,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:38,443 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:38,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:38,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:38,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2023-02-16 04:31:38,443 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:38,443 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:38,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:38,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:38,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,543 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) [2023-02-16 04:31:38,544 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 [2023-02-16 04:31:38,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:38,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:38,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:38,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:38,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:38,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:38,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:38,566 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:38,571 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-16 04:31:38,571 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:31:38,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,579 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) [2023-02-16 04:31:38,581 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:38,588 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 [2023-02-16 04:31:38,598 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:38,598 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:38,598 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] [2023-02-16 04:31:38,602 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 [2023-02-16 04:31:38,604 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:38,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:38,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:38,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:38,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:38,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:38,653 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:31:38,653 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) [2023-02-16 04:31:38,674 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. [2023-02-16 04:31:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:38,675 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) [2023-02-16 04:31:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-02-16 04:31:38,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-16 04:31:38,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:38,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-16 04:31:38,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:38,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-16 04:31:38,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:38,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2023-02-16 04:31:38,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-16 04:31:38,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 29 transitions. [2023-02-16 04:31:38,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-02-16 04:31:38,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-02-16 04:31:38,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2023-02-16 04:31:38,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:38,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-02-16 04:31:38,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2023-02-16 04:31:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-02-16 04:31:38,678 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) [2023-02-16 04:31:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2023-02-16 04:31:38,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-16 04:31:38,678 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-16 04:31:38,678 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-16 04:31:38,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2023-02-16 04:31:38,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-16 04:31:38,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:38,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:38,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-02-16 04:31:38,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:31:38,679 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 [2023-02-16 04:31:38,679 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 [2023-02-16 04:31:38,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,680 INFO L85 PathProgramCache]: Analyzing trace with hash 28732592, now seen corresponding path program 1 times [2023-02-16 04:31:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:38,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222893524] [2023-02-16 04:31:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,685 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 1 times [2023-02-16 04:31:38,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:38,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214561908] [2023-02-16 04:31:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:38,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:38,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:38,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1842219351, now seen corresponding path program 1 times [2023-02-16 04:31:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:38,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404754614] [2023-02-16 04:31:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:38,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:38,763 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:38,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:38,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:38,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:38,764 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:38,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:38,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:38,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2023-02-16 04:31:38,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:38,764 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:38,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:38,837 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:38,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,839 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) [2023-02-16 04:31:38,841 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 [2023-02-16 04:31:38,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:38,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,866 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:38,866 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: [] [2023-02-16 04:31:38,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-02-16 04:31:38,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,874 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) [2023-02-16 04:31:38,876 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 [2023-02-16 04:31:38,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:38,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:38,899 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: [] [2023-02-16 04:31:38,906 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 [2023-02-16 04:31:38,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,908 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) [2023-02-16 04:31:38,910 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 [2023-02-16 04:31:38,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:38,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-02-16 04:31:38,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:38,936 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) [2023-02-16 04:31:38,937 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 [2023-02-16 04:31:38,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:38,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:38,971 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:38,975 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 [2023-02-16 04:31:38,975 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:38,975 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:38,975 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:38,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:38,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:38,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:38,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:38,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:38,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2023-02-16 04:31:38,975 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:38,975 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:38,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:38,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,031 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 [2023-02-16 04:31:39,037 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 [2023-02-16 04:31:39,075 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:39,075 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:39,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,079 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) [2023-02-16 04:31:39,081 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 [2023-02-16 04:31:39,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:39,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:39,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:39,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:39,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:39,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:39,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:39,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:39,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:39,111 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 [2023-02-16 04:31:39,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,113 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) [2023-02-16 04:31:39,114 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 [2023-02-16 04:31:39,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:39,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:39,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:39,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:39,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:39,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:39,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:39,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:39,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:39,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-02-16 04:31:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,128 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) [2023-02-16 04:31:39,128 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 [2023-02-16 04:31:39,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:39,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:39,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:39,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:39,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:39,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:39,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:39,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:39,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:39,149 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 [2023-02-16 04:31:39,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,150 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) [2023-02-16 04:31:39,151 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 [2023-02-16 04:31:39,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:39,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:39,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:39,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:39,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:39,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:39,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:39,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:39,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-02-16 04:31:39,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,167 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) [2023-02-16 04:31:39,169 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 [2023-02-16 04:31:39,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:39,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:39,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:39,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:39,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:39,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:39,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:39,204 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:39,207 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-16 04:31:39,207 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-16 04:31:39,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,209 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) [2023-02-16 04:31:39,209 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 [2023-02-16 04:31:39,211 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:39,218 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:39,218 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:39,218 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] [2023-02-16 04:31:39,222 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 [2023-02-16 04:31:39,223 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:39,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:39,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:39,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:39,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:39,288 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:31:39,288 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) [2023-02-16 04:31:39,308 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. [2023-02-16 04:31:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:39,309 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) [2023-02-16 04:31:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-02-16 04:31:39,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-16 04:31:39,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:39,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-16 04:31:39,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:39,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-16 04:31:39,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:39,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2023-02-16 04:31:39,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-16 04:31:39,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 35 transitions. [2023-02-16 04:31:39,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-16 04:31:39,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-16 04:31:39,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2023-02-16 04:31:39,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:39,312 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 35 transitions. [2023-02-16 04:31:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2023-02-16 04:31:39,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-02-16 04:31:39,313 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) [2023-02-16 04:31:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2023-02-16 04:31:39,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 34 transitions. [2023-02-16 04:31:39,314 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 34 transitions. [2023-02-16 04:31:39,314 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-16 04:31:39,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 34 transitions. [2023-02-16 04:31:39,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-16 04:31:39,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:39,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:39,315 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:39,315 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:31:39,315 INFO L748 eck$LassoCheckResult]: Stem: 412#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 401#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 411#L18 assume !(f_~k~0#1 > 1073741823); 402#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 403#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 397#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 395#L30 [2023-02-16 04:31:39,315 INFO L750 eck$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 [2023-02-16 04:31:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1805001452, now seen corresponding path program 1 times [2023-02-16 04:31:39,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:39,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035054375] [2023-02-16 04:31:39,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:39,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:39,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,330 INFO L85 PathProgramCache]: Analyzing trace with hash 64389, now seen corresponding path program 1 times [2023-02-16 04:31:39,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:39,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338144867] [2023-02-16 04:31:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:39,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,353 INFO L85 PathProgramCache]: Analyzing trace with hash -192254790, now seen corresponding path program 1 times [2023-02-16 04:31:39,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:39,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324758940] [2023-02-16 04:31:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:39,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:39,382 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:39,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:39,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:39,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:39,382 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:39,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:39,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:39,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Loop [2023-02-16 04:31:39,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:39,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:39,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,425 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:39,425 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,426 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) [2023-02-16 04:31:39,428 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 [2023-02-16 04:31:39,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:39,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,442 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:39,442 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: [] [2023-02-16 04:31:39,444 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 [2023-02-16 04:31:39,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,446 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) [2023-02-16 04:31:39,446 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 [2023-02-16 04:31:39,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:39,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,459 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:39,459 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: [] [2023-02-16 04:31:39,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-02-16 04:31:39,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,463 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) [2023-02-16 04:31:39,464 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 [2023-02-16 04:31:39,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:39,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:39,479 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: [] [2023-02-16 04:31:39,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-02-16 04:31:39,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,483 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) [2023-02-16 04:31:39,483 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 [2023-02-16 04:31:39,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:39,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-02-16 04:31:39,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,497 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) [2023-02-16 04:31:39,497 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 [2023-02-16 04:31:39,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:39,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:39,518 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] [2023-02-16 04:31:39,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-02-16 04:31:39,560 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:39,560 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:39,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:39,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:39,561 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:39,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:39,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:39,561 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2023-02-16 04:31:39,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:39,561 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:39,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:39,639 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:39,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,641 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) [2023-02-16 04:31:39,642 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 [2023-02-16 04:31:39,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:39,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,654 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 [2023-02-16 04:31:39,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,655 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) [2023-02-16 04:31:39,656 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 [2023-02-16 04:31:39,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:39,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:39,759 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:39,763 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 [2023-02-16 04:31:39,763 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:39,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:39,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:39,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:39,763 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:39,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:39,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:39,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2023-02-16 04:31:39,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:39,763 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:39,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:39,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:39,849 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:39,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,851 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) [2023-02-16 04:31:39,853 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 [2023-02-16 04:31:39,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:39,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:39,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:39,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:39,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:39,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:39,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:39,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:39,872 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-16 04:31:39,872 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-16 04:31:39,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:39,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:39,873 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) [2023-02-16 04:31:39,874 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 [2023-02-16 04:31:39,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:39,883 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2023-02-16 04:31:39,883 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:39,883 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 [2*ULTIMATE.start_f_~x~0#1 - 1 >= 0, 1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2023-02-16 04:31:39,886 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 [2023-02-16 04:31:39,889 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-02-16 04:31:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:39,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:39,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:39,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:39,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:39,959 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 [2023-02-16 04:31:39,959 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) [2023-02-16 04:31:39,988 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. [2023-02-16 04:31:39,988 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 [2023-02-16 04:31:39,989 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) [2023-02-16 04:31:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-02-16 04:31:39,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2023-02-16 04:31:39,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:39,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-16 04:31:39,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:39,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2023-02-16 04:31:39,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:39,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2023-02-16 04:31:39,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-02-16 04:31:39,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 42 transitions. [2023-02-16 04:31:39,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-16 04:31:39,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-16 04:31:39,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 42 transitions. [2023-02-16 04:31:39,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:39,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2023-02-16 04:31:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 42 transitions. [2023-02-16 04:31:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2023-02-16 04:31:39,992 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) [2023-02-16 04:31:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 41 transitions. [2023-02-16 04:31:39,992 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 41 transitions. [2023-02-16 04:31:39,992 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 41 transitions. [2023-02-16 04:31:39,992 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-16 04:31:39,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 41 transitions. [2023-02-16 04:31:39,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-02-16 04:31:39,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:39,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:39,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:39,993 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:31:39,993 INFO L748 eck$LassoCheckResult]: Stem: 538#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 526#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 527#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; 517#L18-1 assume !(f_~k~0#1 > 1073741823); 518#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 539#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 535#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 536#L30-1 [2023-02-16 04:31:39,993 INFO L750 eck$LassoCheckResult]: Loop: 536#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; 531#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 532#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 536#L30-1 [2023-02-16 04:31:39,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1842219347, now seen corresponding path program 1 times [2023-02-16 04:31:39,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:39,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210659053] [2023-02-16 04:31:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:39,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:39,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:39,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:39,999 INFO L85 PathProgramCache]: Analyzing trace with hash 103116, now seen corresponding path program 1 times [2023-02-16 04:31:39,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:39,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185672889] [2023-02-16 04:31:39,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:40,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash 464531514, now seen corresponding path program 1 times [2023-02-16 04:31:40,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:40,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622984698] [2023-02-16 04:31:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:40,038 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:40,038 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:40,038 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:40,038 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:40,038 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:40,038 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:40,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:40,039 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Loop [2023-02-16 04:31:40,039 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:40,039 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:40,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,061 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 [2023-02-16 04:31:40,065 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 [2023-02-16 04:31:40,077 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:40,077 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:40,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,079 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) [2023-02-16 04:31:40,081 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 [2023-02-16 04:31:40,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,082 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-02-16 04:31:40,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,107 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) [2023-02-16 04:31:40,107 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 [2023-02-16 04:31:40,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:40,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:40,127 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] [2023-02-16 04:31:40,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-02-16 04:31:40,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,131 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) [2023-02-16 04:31:40,132 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 [2023-02-16 04:31:40,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,134 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,146 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:40,146 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: [] [2023-02-16 04:31:40,148 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 [2023-02-16 04:31:40,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,150 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) [2023-02-16 04:31:40,150 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 [2023-02-16 04:31:40,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,167 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:40,168 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: [] [2023-02-16 04:31:40,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:40,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,171 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) [2023-02-16 04:31:40,172 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 [2023-02-16 04:31:40,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,174 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,186 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:40,186 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: [] [2023-02-16 04:31:40,189 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 [2023-02-16 04:31:40,231 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:40,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:40,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:40,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:40,231 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:40,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:40,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:40,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2023-02-16 04:31:40,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:40,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:40,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,235 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:40,331 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:40,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,332 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) [2023-02-16 04:31:40,334 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 [2023-02-16 04:31:40,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,356 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:40,356 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: [] [2023-02-16 04:31:40,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-02-16 04:31:40,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,366 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) [2023-02-16 04:31:40,367 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 [2023-02-16 04:31:40,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,376 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:40,376 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: [] [2023-02-16 04:31:40,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-02-16 04:31:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,380 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) [2023-02-16 04:31:40,380 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 [2023-02-16 04:31:40,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:40,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,392 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 [2023-02-16 04:31:40,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,393 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) [2023-02-16 04:31:40,393 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 [2023-02-16 04:31:40,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:40,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:40,534 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:40,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-02-16 04:31:40,537 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:40,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:40,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:40,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:40,537 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:40,537 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,537 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:40,537 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:40,537 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2023-02-16 04:31:40,537 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:40,537 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:40,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:40,633 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:40,633 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:40,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,634 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) [2023-02-16 04:31:40,636 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 [2023-02-16 04:31:40,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:40,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:40,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:40,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:40,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,664 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) [2023-02-16 04:31:40,666 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 [2023-02-16 04:31:40,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:40,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:40,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-02-16 04:31:40,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,685 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) [2023-02-16 04:31:40,686 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 [2023-02-16 04:31:40,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:40,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:40,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:40,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,698 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 [2023-02-16 04:31:40,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,699 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) [2023-02-16 04:31:40,699 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 [2023-02-16 04:31:40,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:40,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:40,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:40,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,712 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 [2023-02-16 04:31:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,713 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) [2023-02-16 04:31:40,714 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 [2023-02-16 04:31:40,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:40,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:40,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:40,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-02-16 04:31:40,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,735 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) [2023-02-16 04:31:40,736 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 [2023-02-16 04:31:40,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:40,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,744 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-02-16 04:31:40,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,745 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-16 04:31:40,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:40,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-02-16 04:31:40,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,758 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) [2023-02-16 04:31:40,760 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 [2023-02-16 04:31:40,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:40,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:40,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-02-16 04:31:40,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,775 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) [2023-02-16 04:31:40,776 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 [2023-02-16 04:31:40,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:40,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:40,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:40,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:40,788 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 [2023-02-16 04:31:40,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,789 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) [2023-02-16 04:31:40,789 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 [2023-02-16 04:31:40,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:40,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:40,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:40,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:40,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:40,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:40,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:40,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:40,811 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-16 04:31:40,811 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-16 04:31:40,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:40,812 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) [2023-02-16 04:31:40,814 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 [2023-02-16 04:31:40,815 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:40,822 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2023-02-16 04:31:40,822 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:40,822 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_f_~x~0#1 >= 0, 1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2023-02-16 04:31:40,825 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 [2023-02-16 04:31:40,830 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-02-16 04:31:40,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:40,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:40,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:40,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:40,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:40,908 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 [2023-02-16 04:31:40,908 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) [2023-02-16 04:31:40,942 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. [2023-02-16 04:31:40,943 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 [2023-02-16 04:31:40,943 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) [2023-02-16 04:31:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-02-16 04:31:40,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2023-02-16 04:31:40,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:40,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-16 04:31:40,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:40,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2023-02-16 04:31:40,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:40,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 54 transitions. [2023-02-16 04:31:40,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-16 04:31:40,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 34 states and 49 transitions. [2023-02-16 04:31:40,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-16 04:31:40,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-02-16 04:31:40,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2023-02-16 04:31:40,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:40,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 49 transitions. [2023-02-16 04:31:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2023-02-16 04:31:40,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-02-16 04:31:40,946 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) [2023-02-16 04:31:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 48 transitions. [2023-02-16 04:31:40,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 48 transitions. [2023-02-16 04:31:40,946 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 48 transitions. [2023-02-16 04:31:40,946 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-02-16 04:31:40,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 48 transitions. [2023-02-16 04:31:40,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-16 04:31:40,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:40,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:40,947 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:40,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:31:40,947 INFO L748 eck$LassoCheckResult]: Stem: 677#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 660#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 661#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 672#L18 assume !(f_~k~0#1 > 1073741823); 662#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 663#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 679#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 653#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 654#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 682#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 657#L29-2 [2023-02-16 04:31:40,947 INFO L750 eck$LassoCheckResult]: Loop: 657#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 656#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 657#L29-2 [2023-02-16 04:31:40,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:40,947 INFO L85 PathProgramCache]: Analyzing trace with hash -192254786, now seen corresponding path program 1 times [2023-02-16 04:31:40,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:40,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889189614] [2023-02-16 04:31:40,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:40,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:40,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:40,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 2 times [2023-02-16 04:31:40,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:40,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348790416] [2023-02-16 04:31:40,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:40,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:40,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:40,982 INFO L85 PathProgramCache]: Analyzing trace with hash -73254651, now seen corresponding path program 2 times [2023-02-16 04:31:40,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:40,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478889833] [2023-02-16 04:31:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:40,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:40,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:41,059 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:41,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:41,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:41,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:41,059 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:41,059 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,059 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:41,059 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:41,059 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2023-02-16 04:31:41,059 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:41,059 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:41,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,137 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:41,138 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:41,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,139 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) [2023-02-16 04:31:41,141 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 [2023-02-16 04:31:41,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,163 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,163 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: [] [2023-02-16 04:31:41,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-02-16 04:31:41,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,167 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) [2023-02-16 04:31:41,167 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 [2023-02-16 04:31:41,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,179 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 [2023-02-16 04:31:41,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,180 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) [2023-02-16 04:31:41,190 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 [2023-02-16 04:31:41,190 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 [2023-02-16 04:31:41,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:41,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,246 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:41,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-02-16 04:31:41,249 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:41,249 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:41,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:41,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:41,249 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:41,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:41,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:41,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2023-02-16 04:31:41,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:41,250 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:41,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,328 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:41,329 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:41,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,330 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) [2023-02-16 04:31:41,333 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 [2023-02-16 04:31:41,334 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 [2023-02-16 04:31:41,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:41,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:41,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:41,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:41,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:41,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:41,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:41,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:41,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-02-16 04:31:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,345 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) [2023-02-16 04:31:41,345 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 [2023-02-16 04:31:41,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:41,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:41,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:41,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:41,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:41,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:41,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:41,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:41,365 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-16 04:31:41,365 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-02-16 04:31:41,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,366 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) [2023-02-16 04:31:41,367 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 [2023-02-16 04:31:41,369 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:41,376 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:41,376 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:41,376 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] [2023-02-16 04:31:41,379 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 [2023-02-16 04:31:41,381 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:41,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:41,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:41,450 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:41,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:41,463 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:31:41,463 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) [2023-02-16 04:31:41,485 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. [2023-02-16 04:31:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:41,486 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) [2023-02-16 04:31:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-16 04:31:41,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2023-02-16 04:31:41,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:41,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:41,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:41,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2023-02-16 04:31:41,487 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:41,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 70 transitions. [2023-02-16 04:31:41,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-16 04:31:41,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 43 states and 60 transitions. [2023-02-16 04:31:41,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-02-16 04:31:41,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-02-16 04:31:41,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 60 transitions. [2023-02-16 04:31:41,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:41,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 60 transitions. [2023-02-16 04:31:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 60 transitions. [2023-02-16 04:31:41,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2023-02-16 04:31:41,490 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) [2023-02-16 04:31:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-02-16 04:31:41,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-02-16 04:31:41,493 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-02-16 04:31:41,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-02-16 04:31:41,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 58 transitions. [2023-02-16 04:31:41,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-16 04:31:41,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:41,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:41,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:41,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:31:41,494 INFO L748 eck$LassoCheckResult]: Stem: 823#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 810#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 811#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; 805#L18-1 assume !(f_~k~0#1 > 1073741823); 806#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 824#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 829#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 819#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; 820#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 832#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 815#L29-5 [2023-02-16 04:31:41,494 INFO L750 eck$LassoCheckResult]: Loop: 815#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 816#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 815#L29-5 [2023-02-16 04:31:41,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:41,495 INFO L85 PathProgramCache]: Analyzing trace with hash 464531518, now seen corresponding path program 1 times [2023-02-16 04:31:41,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:41,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937557838] [2023-02-16 04:31:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:41,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:41,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:41,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:41,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 2 times [2023-02-16 04:31:41,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:41,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181379022] [2023-02-16 04:31:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:41,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:41,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:41,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:41,504 INFO L85 PathProgramCache]: Analyzing trace with hash -261807771, now seen corresponding path program 2 times [2023-02-16 04:31:41,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:41,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920720460] [2023-02-16 04:31:41,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:41,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:41,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:41,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:41,574 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:41,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:41,574 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:41,574 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:41,574 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:41,574 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:41,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:41,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2023-02-16 04:31:41,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:41,575 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:41,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,651 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:41,652 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:41,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,653 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) [2023-02-16 04:31:41,653 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 [2023-02-16 04:31:41,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,663 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,663 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: [] [2023-02-16 04:31:41,666 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 [2023-02-16 04:31:41,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,667 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) [2023-02-16 04:31:41,668 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 [2023-02-16 04:31:41,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,677 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: [] [2023-02-16 04:31:41,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2023-02-16 04:31:41,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,690 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) [2023-02-16 04:31:41,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,692 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,700 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 [2023-02-16 04:31:41,702 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,702 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: [] [2023-02-16 04:31:41,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:41,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,706 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) [2023-02-16 04:31:41,706 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 [2023-02-16 04:31:41,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,715 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,715 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: [] [2023-02-16 04:31:41,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2023-02-16 04:31:41,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,719 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) [2023-02-16 04:31:41,719 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 [2023-02-16 04:31:41,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,728 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: [] [2023-02-16 04:31:41,731 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 [2023-02-16 04:31:41,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,732 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) [2023-02-16 04:31:41,734 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 [2023-02-16 04:31:41,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,746 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,746 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=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:31:41,749 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 [2023-02-16 04:31:41,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,750 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) [2023-02-16 04:31:41,754 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 [2023-02-16 04:31:41,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,769 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,769 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: [] [2023-02-16 04:31:41,772 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 [2023-02-16 04:31:41,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,773 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) [2023-02-16 04:31:41,773 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 [2023-02-16 04:31:41,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,783 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: [] [2023-02-16 04:31:41,785 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 [2023-02-16 04:31:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,786 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) [2023-02-16 04:31:41,787 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 [2023-02-16 04:31:41,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,801 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,801 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=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:31:41,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2023-02-16 04:31:41,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,805 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) [2023-02-16 04:31:41,805 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 [2023-02-16 04:31:41,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,815 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:41,815 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:31:41,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2023-02-16 04:31:41,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,819 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) [2023-02-16 04:31:41,821 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 [2023-02-16 04:31:41,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:41,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,831 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 [2023-02-16 04:31:41,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,832 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) [2023-02-16 04:31:41,833 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 [2023-02-16 04:31:41,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:41,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:41,887 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:41,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2023-02-16 04:31:41,890 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:41,891 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:41,891 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:41,891 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:41,891 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:41,891 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,891 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:41,891 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:41,891 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2023-02-16 04:31:41,891 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:41,891 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:41,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:41,963 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:41,963 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:41,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,964 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) [2023-02-16 04:31:41,964 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 [2023-02-16 04:31:41,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:41,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:41,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:41,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:41,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:41,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:41,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:41,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:41,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:41,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2023-02-16 04:31:41,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,983 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) [2023-02-16 04:31:41,984 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 [2023-02-16 04:31:41,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:41,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:41,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:41,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:41,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:41,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:41,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:41,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:41,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:41,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2023-02-16 04:31:41,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:41,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:41,997 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) [2023-02-16 04:31:41,997 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 [2023-02-16 04:31:41,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2023-02-16 04:31:42,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,010 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) [2023-02-16 04:31:42,010 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 [2023-02-16 04:31:42,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,023 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 [2023-02-16 04:31:42,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,024 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) [2023-02-16 04:31:42,025 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 [2023-02-16 04:31:42,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:42,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:42,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2023-02-16 04:31:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,040 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) [2023-02-16 04:31:42,040 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 [2023-02-16 04:31:42,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,052 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 [2023-02-16 04:31:42,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,053 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) [2023-02-16 04:31:42,055 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 [2023-02-16 04:31:42,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2023-02-16 04:31:42,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,066 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) [2023-02-16 04:31:42,067 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 [2023-02-16 04:31:42,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:42,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:42,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,081 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 [2023-02-16 04:31:42,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,082 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) [2023-02-16 04:31:42,083 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 [2023-02-16 04:31:42,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:42,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:42,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,096 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 [2023-02-16 04:31:42,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,097 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) [2023-02-16 04:31:42,098 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 [2023-02-16 04:31:42,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:42,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:42,113 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:42,118 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-16 04:31:42,118 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-02-16 04:31:42,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,119 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) [2023-02-16 04:31:42,120 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 [2023-02-16 04:31:42,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:42,128 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:42,129 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:42,129 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] [2023-02-16 04:31:42,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:42,133 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:42,149 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 [2023-02-16 04:31:42,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:42,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:42,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:42,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:42,188 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:42,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:42,199 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:31:42,199 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) [2023-02-16 04:31:42,224 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. [2023-02-16 04:31:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:42,237 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) [2023-02-16 04:31:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-16 04:31:42,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2023-02-16 04:31:42,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:42,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:42,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:42,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2023-02-16 04:31:42,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:42,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 80 transitions. [2023-02-16 04:31:42,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-16 04:31:42,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 70 transitions. [2023-02-16 04:31:42,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-02-16 04:31:42,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-02-16 04:31:42,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 70 transitions. [2023-02-16 04:31:42,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:42,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 70 transitions. [2023-02-16 04:31:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 70 transitions. [2023-02-16 04:31:42,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2023-02-16 04:31:42,241 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) [2023-02-16 04:31:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2023-02-16 04:31:42,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2023-02-16 04:31:42,241 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 68 transitions. [2023-02-16 04:31:42,242 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-02-16 04:31:42,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 68 transitions. [2023-02-16 04:31:42,242 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-02-16 04:31:42,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:42,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:42,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:42,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:31:42,242 INFO L748 eck$LassoCheckResult]: Stem: 994#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 978#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 979#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 991#L18 assume !(f_~k~0#1 > 1073741823); 980#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 981#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 997#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1016#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1015#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 1009#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 1007#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1004#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 975#L29-2 [2023-02-16 04:31:42,242 INFO L750 eck$LassoCheckResult]: Loop: 975#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 974#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 975#L29-2 [2023-02-16 04:31:42,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:42,243 INFO L85 PathProgramCache]: Analyzing trace with hash 36731799, now seen corresponding path program 3 times [2023-02-16 04:31:42,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:42,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491706168] [2023-02-16 04:31:42,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:42,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:42,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:42,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 3 times [2023-02-16 04:31:42,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:42,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954221650] [2023-02-16 04:31:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:42,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:42,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:42,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:42,259 INFO L85 PathProgramCache]: Analyzing trace with hash 939521438, now seen corresponding path program 4 times [2023-02-16 04:31:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:42,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242395523] [2023-02-16 04:31:42,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:42,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:42,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:42,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:42,349 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:42,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:42,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:42,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:42,349 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:42,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:42,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:42,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2023-02-16 04:31:42,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:42,350 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:42,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:42,441 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:42,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,442 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) [2023-02-16 04:31:42,444 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 [2023-02-16 04:31:42,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:42,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:42,452 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:42,452 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: [] [2023-02-16 04:31:42,454 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 [2023-02-16 04:31:42,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,455 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) [2023-02-16 04:31:42,456 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 [2023-02-16 04:31:42,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:42,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:42,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:31:42,468 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 [2023-02-16 04:31:42,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,469 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) [2023-02-16 04:31:42,469 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 [2023-02-16 04:31:42,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:42,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:42,479 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-16 04:31:42,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2023-02-16 04:31:42,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,482 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) [2023-02-16 04:31:42,483 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 [2023-02-16 04:31:42,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:42,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:42,493 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:42,493 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: [] [2023-02-16 04:31:42,495 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 [2023-02-16 04:31:42,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,496 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) [2023-02-16 04:31:42,497 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 [2023-02-16 04:31:42,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:42,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:42,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:42,506 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: [] [2023-02-16 04:31:42,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2023-02-16 04:31:42,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,510 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) [2023-02-16 04:31:42,510 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 [2023-02-16 04:31:42,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:42,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:42,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2023-02-16 04:31:42,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,528 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) [2023-02-16 04:31:42,529 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 [2023-02-16 04:31:42,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:42,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:42,586 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:42,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:42,589 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:42,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:42,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:42,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:42,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:42,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:42,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:42,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2023-02-16 04:31:42,590 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:42,590 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:42,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:42,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:42,687 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,688 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) [2023-02-16 04:31:42,689 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 [2023-02-16 04:31:42,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2023-02-16 04:31:42,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,702 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) [2023-02-16 04:31:42,703 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 [2023-02-16 04:31:42,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,715 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 [2023-02-16 04:31:42,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,716 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) [2023-02-16 04:31:42,717 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 [2023-02-16 04:31:42,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:42,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:42,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:42,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2023-02-16 04:31:42,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,734 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) [2023-02-16 04:31:42,736 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 [2023-02-16 04:31:42,737 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 [2023-02-16 04:31:42,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:42,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:42,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:42,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:42,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,752 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) [2023-02-16 04:31:42,752 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 [2023-02-16 04:31:42,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:42,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:42,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:42,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:42,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:42,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:42,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:42,773 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:42,778 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-16 04:31:42,778 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-02-16 04:31:42,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:42,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:42,779 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) [2023-02-16 04:31:42,788 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 [2023-02-16 04:31:42,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:42,833 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:42,833 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:42,833 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] [2023-02-16 04:31:42,836 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 [2023-02-16 04:31:42,837 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:42,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:42,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:42,890 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:42,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:42,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:31:42,901 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) [2023-02-16 04:31:42,930 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. [2023-02-16 04:31:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:42,931 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) [2023-02-16 04:31:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-16 04:31:42,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:42,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:42,931 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:31:42,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:42,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:42,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:42,988 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:42,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:42,998 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 [2023-02-16 04:31:42,998 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) [2023-02-16 04:31:43,023 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. [2023-02-16 04:31:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:43,027 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) [2023-02-16 04:31:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-02-16 04:31:43,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:43,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,027 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:31:43,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,087 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:43,099 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 [2023-02-16 04:31:43,100 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) [2023-02-16 04:31:43,136 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. [2023-02-16 04:31:43,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:43,140 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) [2023-02-16 04:31:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2023-02-16 04:31:43,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:43,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 14 letters. Loop has 2 letters. [2023-02-16 04:31:43,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 12 letters. Loop has 4 letters. [2023-02-16 04:31:43,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 81 transitions. [2023-02-16 04:31:43,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:31:43,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 26 states and 35 transitions. [2023-02-16 04:31:43,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-02-16 04:31:43,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-02-16 04:31:43,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 35 transitions. [2023-02-16 04:31:43,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:43,143 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-02-16 04:31:43,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 35 transitions. [2023-02-16 04:31:43,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-16 04:31:43,144 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) [2023-02-16 04:31:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2023-02-16 04:31:43,144 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-02-16 04:31:43,144 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-02-16 04:31:43,144 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-02-16 04:31:43,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2023-02-16 04:31:43,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-16 04:31:43,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:43,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:43,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:43,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-16 04:31:43,145 INFO L748 eck$LassoCheckResult]: Stem: 1375#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1376#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 1369#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; 1370#L18-1 assume !(f_~k~0#1 > 1073741823); 1374#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 1377#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1379#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1391#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1390#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 1388#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; 1387#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1386#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1385#L29-5 [2023-02-16 04:31:43,146 INFO L750 eck$LassoCheckResult]: Loop: 1385#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1384#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1385#L29-5 [2023-02-16 04:31:43,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,146 INFO L85 PathProgramCache]: Analyzing trace with hash -151821321, now seen corresponding path program 3 times [2023-02-16 04:31:43,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:43,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213415192] [2023-02-16 04:31:43,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:43,150 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 [2023-02-16 04:31:43,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:43,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:43,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,155 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 3 times [2023-02-16 04:31:43,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:43,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836805632] [2023-02-16 04:31:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:43,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:43,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:43,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:43,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,159 INFO L85 PathProgramCache]: Analyzing trace with hash 128600798, now seen corresponding path program 4 times [2023-02-16 04:31:43,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:43,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924326255] [2023-02-16 04:31:43,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:43,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:43,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:43,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:43,243 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:43,243 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:43,243 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:43,243 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:43,243 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-16 04:31:43,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:43,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:43,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2023-02-16 04:31:43,243 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:43,243 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:43,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,329 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:43,329 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-16 04:31:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:43,330 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) [2023-02-16 04:31:43,332 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 [2023-02-16 04:31:43,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:43,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:43,346 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-16 04:31:43,346 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: [] [2023-02-16 04:31:43,349 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 [2023-02-16 04:31:43,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:43,351 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) [2023-02-16 04:31:43,351 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 [2023-02-16 04:31:43,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-16 04:31:43,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:43,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2023-02-16 04:31:43,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:43,365 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) [2023-02-16 04:31:43,366 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 [2023-02-16 04:31:43,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-16 04:31:43,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-16 04:31:43,423 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-16 04:31:43,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2023-02-16 04:31:43,426 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:43,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:43,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:43,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:43,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:43,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:43,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:43,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2023-02-16 04:31:43,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:43,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:43,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:43,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:43,509 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:43,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:43,511 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) [2023-02-16 04:31:43,512 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 [2023-02-16 04:31:43,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:43,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:43,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:43,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:43,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:43,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:43,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:43,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:43,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:43,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2023-02-16 04:31:43,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:43,525 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) [2023-02-16 04:31:43,528 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 [2023-02-16 04:31:43,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:43,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:43,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:43,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:43,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:43,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:43,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:43,549 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:43,561 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-02-16 04:31:43,561 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-02-16 04:31:43,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:43,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:43,563 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) [2023-02-16 04:31:43,565 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 [2023-02-16 04:31:43,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:43,574 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-02-16 04:31:43,574 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:43,574 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] [2023-02-16 04:31:43,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:43,581 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-02-16 04:31:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,636 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:43,646 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-02-16 04:31:43,646 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) [2023-02-16 04:31:43,675 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. [2023-02-16 04:31:43,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:43,675 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) [2023-02-16 04:31:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-16 04:31:43,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:43,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,676 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:31:43,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:43,733 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 [2023-02-16 04:31:43,733 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) [2023-02-16 04:31:43,754 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. [2023-02-16 04:31:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:43,755 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) [2023-02-16 04:31:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-02-16 04:31:43,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:43,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,755 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:31:43,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:43,800 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-16 04:31:43,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:43,811 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 [2023-02-16 04:31:43,811 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) [2023-02-16 04:31:43,838 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. [2023-02-16 04:31:43,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:43,839 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) [2023-02-16 04:31:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-02-16 04:31:43,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2023-02-16 04:31:43,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 2 letters. [2023-02-16 04:31:43,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2023-02-16 04:31:43,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:43,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2023-02-16 04:31:43,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:31:43,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2023-02-16 04:31:43,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-16 04:31:43,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-16 04:31:43,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-16 04:31:43,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:31:43,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:31:43,841 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:31:43,841 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:31:43,841 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-02-16 04:31:43,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:31:43,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:31:43,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-16 04:31:43,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.02 04:31:43 BoogieIcfgContainer [2023-02-16 04:31:43,846 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-16 04:31:43,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:31:43,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:31:43,847 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:31:43,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:31:11" (3/4) ... [2023-02-16 04:31:43,849 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 04:31:43,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:31:43,850 INFO L158 Benchmark]: Toolchain (without parser) took 32470.09ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 50.8MB in the end (delta: 53.1MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-02-16 04:31:43,850 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:31:43,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 135.49ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 94.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-16 04:31:43,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.53ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:31:43,851 INFO L158 Benchmark]: Boogie Preprocessor took 19.19ms. Allocated memory is still 148.9MB. Free memory was 92.6MB in the beginning and 91.8MB in the end (delta: 770.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:31:43,851 INFO L158 Benchmark]: RCFGBuilder took 182.08ms. Allocated memory is still 148.9MB. Free memory was 91.8MB in the beginning and 81.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-16 04:31:43,851 INFO L158 Benchmark]: BuchiAutomizer took 32096.95ms. Allocated memory is still 148.9MB. Free memory was 81.4MB in the beginning and 50.8MB in the end (delta: 30.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-02-16 04:31:43,851 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 148.9MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:31:43,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 135.49ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 94.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.53ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.19ms. Allocated memory is still 148.9MB. Free memory was 92.6MB in the beginning and 91.8MB in the end (delta: 770.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 182.08ms. Allocated memory is still 148.9MB. Free memory was 91.8MB in the beginning and 81.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 32096.95ms. Allocated memory is still 148.9MB. Free memory was 81.4MB in the beginning and 50.8MB in the end (delta: 30.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 148.9MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 x and consists of 5 locations. One deterministic module has affine ranking function x + 1 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 32.0s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 30.5s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. 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, 307 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 199 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital35 mio100 ax100 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf91 smp100 dnf100 smp100 tf101 neg99 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 44 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 25.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-16 04:31:43,864 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 [2023-02-16 04:31:44,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE