./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/divbin1-both-nt.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/divbin1-both-nt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:27:54,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:27:54,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:27:54,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:27:54,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:27:54,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:27:54,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:27:54,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:27:54,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:27:54,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:27:54,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:27:54,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:27:54,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:27:54,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:27:54,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:27:54,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:27:54,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:27:54,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:27:54,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:27:54,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:27:54,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:27:54,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:27:54,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:27:54,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:27:54,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:27:54,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:27:54,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:27:54,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:27:54,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:27:54,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:27:54,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:27:54,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:27:54,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:27:54,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:27:54,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:27:54,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:27:54,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:27:54,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:27:54,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:27:54,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:27:54,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:27:54,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:27:54,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:27:54,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:27:54,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:27:54,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:27:54,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:27:54,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:27:54,535 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:27:54,536 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:27:54,536 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:27:54,536 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:27:54,537 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:27:54,537 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:27:54,537 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:27:54,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:27:54,537 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:27:54,537 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:27:54,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:27:54,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:27:54,540 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:27:54,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:27:54,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:27:54,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:27:54,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:27:54,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:27:54,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:27:54,541 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:27:54,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d019f936433212ffb98f9f63454a8763bb76cd95f2f69226ba6fae3efa4715 [2022-02-21 03:27:54,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:27:54,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:27:54,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:27:54,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:27:54,745 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:27:54,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2022-02-21 03:27:54,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/636249b28/4367553e74e44ae688592136cb9055e6/FLAG265899a01 [2022-02-21 03:27:55,172 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:27:55,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/divbin1-both-nt.i [2022-02-21 03:27:55,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/636249b28/4367553e74e44ae688592136cb9055e6/FLAG265899a01 [2022-02-21 03:27:55,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/636249b28/4367553e74e44ae688592136cb9055e6 [2022-02-21 03:27:55,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:27:55,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:27:55,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:27:55,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:27:55,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:27:55,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55, skipping insertion in model container [2022-02-21 03:27:55,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:27:55,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:27:55,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:27:55,398 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:27:55,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:27:55,435 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:27:55,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55 WrapperNode [2022-02-21 03:27:55,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:27:55,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:27:55,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:27:55,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:27:55,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,467 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-02-21 03:27:55,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:27:55,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:27:55,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:27:55,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:27:55,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:27:55,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:27:55,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:27:55,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:27:55,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2022-02-21 03:27:55,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:27:55,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:55,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:27:55,546 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 [2022-02-21 03:27:55,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:27:55,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:27:55,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2022-02-21 03:27:55,595 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:27:55,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:27:55,710 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:27:55,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:27:55,715 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:27:55,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:55 BoogieIcfgContainer [2022-02-21 03:27:55,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:27:55,717 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:27:55,717 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:27:55,720 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:27:55,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:27:55,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:27:55" (1/3) ... [2022-02-21 03:27:55,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eb2b1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:27:55, skipping insertion in model container [2022-02-21 03:27:55,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:27:55,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (2/3) ... [2022-02-21 03:27:55,722 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1eb2b1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:27:55, skipping insertion in model container [2022-02-21 03:27:55,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:27:55,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:55" (3/3) ... [2022-02-21 03:27:55,723 INFO L388 chiAutomizerObserver]: Analyzing ICFG divbin1-both-nt.i [2022-02-21 03:27:55,751 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:27:55,751 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:27:55,751 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:27:55,751 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:27:55,752 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:27:55,752 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:27:55,752 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:27:55,752 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:27:55,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-02-21 03:27:55,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:27:55,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:27:55,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:27:55,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:27:55,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:27:55,789 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:27:55,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-02-21 03:27:55,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-02-21 03:27:55,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:27:55,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:27:55,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-02-21 03:27:55,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:27:55,799 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~A~0#1, main_~B~0#1, main_~q~0#1, main_~r~0#1, main_~b~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~b~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~A~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~B~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L15true assume !(main_~B~0#1 % 4294967296 >= 2147483647); 3#L16true assume !(main_~B~0#1 % 4294967296 < 1); 11#L17true assume !(main_~A~0#1 % 4294967296 >= 2147483647);main_~q~0#1 := 0;main_~r~0#1 := main_~A~0#1;main_~b~0#1 := main_~B~0#1; 12#L21true assume main_~r~0#1 % 4294967296 < main_~b~0#1 % 4294967296; 10#L23-1true [2022-02-21 03:27:55,800 INFO L793 eck$LassoCheckResult]: Loop: 10#L23-1true assume !!(main_~A~0#1 % 4294967296 == (main_~q~0#1 * main_~b~0#1 + main_~r~0#1) % 4294967296); 13#L23true assume !(2 * (if main_~b~0#1 % 4294967296 < 0 && 0 != main_~b~0#1 % 4294967296 % 2 then 1 + main_~b~0#1 % 4294967296 / 2 else main_~b~0#1 % 4294967296 / 2) % 4294967296 == main_~b~0#1 % 4294967296); 10#L23-1true [2022-02-21 03:27:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:55,803 INFO L85 PathProgramCache]: Analyzing trace with hash 889571339, now seen corresponding path program 1 times [2022-02-21 03:27:55,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:27:55,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95910721] [2022-02-21 03:27:55,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:27:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:55,891 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:27:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:55,930 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:27:55,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 1 times [2022-02-21 03:27:55,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:27:55,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785974999] [2022-02-21 03:27:55,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:55,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:27:55,945 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-21 03:27:55,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181355900] [2022-02-21 03:27:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 03:27:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:55,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 03:27:55,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-21 03:27:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:56,028 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:27:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:56,034 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:27:56,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:27:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash 179565814, now seen corresponding path program 1 times [2022-02-21 03:27:56,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:27:56,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883559882] [2022-02-21 03:27:56,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:27:56,044 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-21 03:27:56,044 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063956501] [2022-02-21 03:27:56,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:27:56,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 03:27:56,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:27:56,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 03:27:56,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-21 03:27:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:56,076 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:27:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:27:56,100 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:28:08,831 WARN L228 SmtUtils]: Spent 12.73s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 232] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-21 03:28:34,044 WARN L228 SmtUtils]: Spent 25.18s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 269] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-02-21 03:28:46,839 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:28:46,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:28:46,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:28:46,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:28:46,840 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:28:46,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:28:46,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:28:46,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:28:46,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2022-02-21 03:28:46,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:28:46,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:28:46,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:28:46,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:28:46,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:28:59,384 WARN L228 SmtUtils]: Spent 12.48s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 442] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2022-02-21 03:28:59,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:29:12,648 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:29:12,648 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:29:12,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:29:12,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:29:12,685 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) [2022-02-21 03:29:12,689 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 [2022-02-21 03:29:12,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:29:12,691 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:29:12,703 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:29:12,704 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: [] [2022-02-21 03:29:12,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-02-21 03:29:12,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:29:12,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:29:12,723 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) [2022-02-21 03:29:12,724 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 [2022-02-21 03:29:12,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:29:12,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:29:12,733 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:29:12,733 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:29:12,748 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 [2022-02-21 03:29:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:29:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:29:12,754 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) [2022-02-21 03:29:12,760 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 [2022-02-21 03:29:12,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:29:12,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:29:12,800 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 [2022-02-21 03:29:12,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:29:12,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:29:12,802 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) [2022-02-21 03:29:12,803 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 [2022-02-21 03:29:12,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:29:12,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:29:12,841 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:29:12,870 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 [2022-02-21 03:29:12,870 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:29:12,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:29:12,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:29:12,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:29:12,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:29:12,871 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:29:12,871 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:29:12,871 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:29:12,871 INFO L133 ssoRankerPreferences]: Filename of dumped script: divbin1-both-nt.i_Iteration1_Lasso [2022-02-21 03:29:12,871 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:29:12,871 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:29:12,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:29:12,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:29:12,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:29:12,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true