./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/jm2006_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/loop-lit/jm2006_variant.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 d9ecf0997a3226968b15d351ec48dae1cc4b70e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:13:29,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:13:29,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:13:29,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:13:29,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:13:29,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:13:29,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:13:29,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:13:29,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:13:29,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:13:29,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:13:29,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:13:29,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:13:29,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:13:29,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:13:29,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:13:29,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:13:29,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:13:29,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:13:29,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:13:29,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:13:29,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:13:29,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:13:29,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:13:29,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:13:29,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:13:29,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:13:29,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:13:29,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:13:29,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:13:29,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:13:29,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:13:29,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:13:29,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:13:29,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:13:29,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:13:29,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:13:29,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:13:29,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:13:29,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:13:29,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:13:29,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:13:29,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:13:29,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:13:29,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:13:29,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:13:29,376 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:13:29,376 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:13:29,376 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:13:29,377 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:13:29,377 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:13:29,377 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:13:29,378 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:13:29,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:13:29,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:13:29,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:13:29,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:13:29,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:13:29,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:13:29,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:13:29,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:13:29,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:13:29,381 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:13:29,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:13:29,381 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:13:29,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:13:29,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:13:29,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:13:29,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:13:29,382 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:13:29,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:13:29,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:13:29,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:13:29,383 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:13:29,385 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:13:29,385 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> d9ecf0997a3226968b15d351ec48dae1cc4b70e9 [2020-10-19 19:13:29,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:13:29,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:13:29,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:13:29,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:13:29,706 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:13:29,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/jm2006_variant.i [2020-10-19 19:13:29,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203d7d699/7966f23aa1d74ac382bc97626be87566/FLAG2e21c323c [2020-10-19 19:13:30,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:13:30,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/jm2006_variant.i [2020-10-19 19:13:30,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203d7d699/7966f23aa1d74ac382bc97626be87566/FLAG2e21c323c [2020-10-19 19:13:30,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203d7d699/7966f23aa1d74ac382bc97626be87566 [2020-10-19 19:13:30,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:13:30,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:13:30,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:13:30,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:13:30,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:13:30,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:13:30" (1/1) ... [2020-10-19 19:13:30,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6381b8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:30, skipping insertion in model container [2020-10-19 19:13:30,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:13:30" (1/1) ... [2020-10-19 19:13:30,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:13:30,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:13:30,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:13:30,913 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:13:30,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:13:31,014 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:13:31,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31 WrapperNode [2020-10-19 19:13:31,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:13:31,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:13:31,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:13:31,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:13:31,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:13:31,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:13:31,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:13:31,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:13:31,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... [2020-10-19 19:13:31,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:13:31,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:13:31,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:13:31,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:13:31,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:13:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:13:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:13:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:13:31,334 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:13:31,335 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 19:13:31,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:13:31 BoogieIcfgContainer [2020-10-19 19:13:31,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:13:31,337 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:13:31,337 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:13:31,341 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:13:31,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:13:31,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:13:30" (1/3) ... [2020-10-19 19:13:31,343 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dfc2764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:13:31, skipping insertion in model container [2020-10-19 19:13:31,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:13:31,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:31" (2/3) ... [2020-10-19 19:13:31,344 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dfc2764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:13:31, skipping insertion in model container [2020-10-19 19:13:31,344 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:13:31,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:13:31" (3/3) ... [2020-10-19 19:13:31,346 INFO L373 chiAutomizerObserver]: Analyzing ICFG jm2006_variant.i [2020-10-19 19:13:31,410 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:13:31,410 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:13:31,410 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:13:31,411 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:13:31,411 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:13:31,411 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:13:31,411 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:13:31,411 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:13:31,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-19 19:13:31,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:13:31,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:13:31,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:13:31,463 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 19:13:31,463 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:13:31,463 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:13:31,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-19 19:13:31,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:13:31,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:13:31,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:13:31,466 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 19:13:31,466 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:13:31,475 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 10#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~post5, main_#t~post6, main_~i~0, main_~j~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~j~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L28true assume !!(main_~i~0 >= 0 && main_~i~0 <= 1000000); 6#L29true assume !!(main_~j~0 >= 0);main_~x~0 := main_~i~0;main_~y~0 := main_~j~0;main_~z~0 := 0; 11#L33-2true [2020-10-19 19:13:31,475 INFO L796 eck$LassoCheckResult]: Loop: 11#L33-2true assume !!(0 != main_~x~0);main_#t~post5 := main_~x~0;main_~x~0 := main_#t~post5 - 1;havoc main_#t~post5;main_~y~0 := main_~y~0 - 2;main_#t~post6 := main_~z~0;main_~z~0 := 1 + main_#t~post6;havoc main_#t~post6; 11#L33-2true [2020-10-19 19:13:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:31,482 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-19 19:13:31,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:13:31,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777808564] [2020-10-19 19:13:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:13:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:31,612 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:31,628 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:31,650 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:13:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:31,652 INFO L82 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2020-10-19 19:13:31,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:13:31,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975150744] [2020-10-19 19:13:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:13:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:31,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:31,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:31,665 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:13:31,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:31,667 INFO L82 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2020-10-19 19:13:31,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:13:31,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767061261] [2020-10-19 19:13:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:13:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:31,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:31,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:31,713 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:13:31,793 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:13:31,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:13:31,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:13:31,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:13:31,795 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:13:31,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:31,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:13:31,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:13:31,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Loop [2020-10-19 19:13:31,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:13:31,796 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:13:31,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:31,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:31,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:31,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:31,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:31,932 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:13:31,933 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:31,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:13:31,941 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:31,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:13:31,950 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:31,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:13:31,991 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:31,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:13:31,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:13:32,019 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:13:32,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:13:32,067 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:13:32,067 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0=5}, {ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~z~0=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:13:32,097 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:13:32,134 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:13:32,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:13:32,151 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-2}, {ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:13:32,176 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:13:32,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:13:32,220 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:13:32,220 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-8} Honda state: {ULTIMATE.start_main_~x~0=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=-1}] Lambdas: [5, 11, 1] Nus: [0, 0] [2020-10-19 19:13:32,470 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-19 19:13:32,559 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:13:32,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:13:32,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:13:32,560 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:13:32,560 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:13:32,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:13:32,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:13:32,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Lasso [2020-10-19 19:13:32,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:13:32,561 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:13:32,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:32,939 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:13:32,944 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:32,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:32,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:32,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:32,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:32,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:32,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:32,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:32,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:33,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:33,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:33,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:33,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:33,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:33,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:13:33,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:33,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:33,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:33,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:33,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:33,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:13:33,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:33,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:33,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:13:33,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:33,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:33,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:13:33,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 19:13:33,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:33,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 19:13:33,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:33,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:33,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:33,773 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 19:13:33,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:33,784 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-19 19:13:33,784 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,810 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:13:33,832 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 19:13:33,833 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:33,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:33,846 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-10-19 19:13:33,847 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:13:33,848 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 >= 0] [2020-10-19 19:13:33,901 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-19 19:13:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:13:33,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:13:33,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:13:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:13:33,991 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:13:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:13:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:13:34,010 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-10-19 19:13:34,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2020-10-19 19:13:34,085 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 37 states and 47 transitions. Complement of second has 6 states. [2020-10-19 19:13:34,085 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 [2020-10-19 19:13:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 19:13:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2020-10-19 19:13:34,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-19 19:13:34,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:13:34,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-19 19:13:34,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:13:34,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-19 19:13:34,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:13:34,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2020-10-19 19:13:34,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:13:34,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2020-10-19 19:13:34,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:13:34,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:13:34,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:13:34,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:13:34,105 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:13:34,105 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:13:34,105 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:13:34,106 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:13:34,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:13:34,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:13:34,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:13:34,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:13:34 BoogieIcfgContainer [2020-10-19 19:13:34,114 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:13:34,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:13:34,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:13:34,115 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:13:34,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:13:31" (3/4) ... [2020-10-19 19:13:34,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:13:34,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:13:34,121 INFO L168 Benchmark]: Toolchain (without parser) took 3487.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 954.6 MB in the beginning and 788.5 MB in the end (delta: 166.1 MB). Peak memory consumption was 282.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:34,122 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:13:34,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:34,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:13:34,125 INFO L168 Benchmark]: Boogie Preprocessor took 20.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:34,126 INFO L168 Benchmark]: RCFGBuilder took 261.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:34,127 INFO L168 Benchmark]: BuchiAutomizer took 2777.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 788.5 MB in the end (delta: 296.8 MB). Peak memory consumption was 296.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:34,127 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 1.1 GB. Free memory is still 788.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:13:34,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -157.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 261.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2777.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 788.5 MB in the end (delta: 296.8 MB). Peak memory consumption was 296.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.21 ms. Allocated memory is still 1.1 GB. Free memory is still 788.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 17 SDslu, 11 SDs, 0 SdLazy, 6 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital68 mio100 ax100 hnf100 lsp56 ukn75 mio100 lsp78 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf148 smp100 tf103 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 79ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...