./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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/loops/trex01-2.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 447515879dde6ddadac2168313caab8f63c0c815 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:04:41,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:04:41,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:04:41,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:04:41,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:04:41,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:04:41,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:04:41,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:04:41,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:04:41,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:04:41,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:04:41,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:04:41,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:04:41,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:04:41,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:04:41,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:04:41,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:04:41,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:04:41,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:04:41,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:04:41,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:04:41,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:04:41,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:04:41,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:04:41,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:04:41,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:04:41,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:04:41,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:04:41,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:04:41,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:04:41,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:04:41,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:04:41,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:04:41,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:04:41,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:04:41,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:04:41,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:04:41,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:04:41,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:04:41,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:04:41,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:04:41,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:04:41,446 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:04:41,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:04:41,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:04:41,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:04:41,448 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:04:41,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:04:41,449 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:04:41,449 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:04:41,449 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:04:41,449 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:04:41,449 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:04:41,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:04:41,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:04:41,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:04:41,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:04:41,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:04:41,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:04:41,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:04:41,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:04:41,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:04:41,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:04:41,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:04:41,451 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:04:41,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:04:41,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:04:41,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:04:41,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:04:41,452 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:04:41,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:04:41,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:04:41,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:04:41,453 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:04:41,454 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:04:41,454 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 -> 447515879dde6ddadac2168313caab8f63c0c815 [2020-10-20 07:04:41,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:04:41,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:04:41,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:04:41,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:04:41,713 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:04:41,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex01-2.i [2020-10-20 07:04:41,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4a82c96/3b8e72018aae4d1480d8f3c0a3d265df/FLAGa85814c9e [2020-10-20 07:04:42,288 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:04:42,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex01-2.i [2020-10-20 07:04:42,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4a82c96/3b8e72018aae4d1480d8f3c0a3d265df/FLAGa85814c9e [2020-10-20 07:04:42,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4a82c96/3b8e72018aae4d1480d8f3c0a3d265df [2020-10-20 07:04:42,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:04:42,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:04:42,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:04:42,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:04:42,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:04:42,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:04:42" (1/1) ... [2020-10-20 07:04:42,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435019f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:42, skipping insertion in model container [2020-10-20 07:04:42,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:04:42" (1/1) ... [2020-10-20 07:04:42,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:04:42,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:04:43,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:04:43,103 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:04:43,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:04:43,144 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:04:43,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43 WrapperNode [2020-10-20 07:04:43,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:04:43,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:04:43,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:04:43,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:04:43,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:04:43,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:04:43,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:04:43,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:04:43,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (1/1) ... [2020-10-20 07:04:43,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:04:43,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:04:43,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:04:43,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:04:43,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (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 [2020-10-20 07:04:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:04:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:04:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:04:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:04:43,576 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:04:43,576 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-20 07:04:43,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:04:43 BoogieIcfgContainer [2020-10-20 07:04:43,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:04:43,580 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:04:43,583 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:04:43,588 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:04:43,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:04:43,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:04:42" (1/3) ... [2020-10-20 07:04:43,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7692ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:04:43, skipping insertion in model container [2020-10-20 07:04:43,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:04:43,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:04:43" (2/3) ... [2020-10-20 07:04:43,593 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7692ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:04:43, skipping insertion in model container [2020-10-20 07:04:43,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:04:43,593 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:04:43" (3/3) ... [2020-10-20 07:04:43,596 INFO L373 chiAutomizerObserver]: Analyzing ICFG trex01-2.i [2020-10-20 07:04:43,662 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:04:43,662 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:04:43,663 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:04:43,663 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:04:43,664 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:04:43,664 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:04:43,667 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:04:43,668 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:04:43,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-20 07:04:43,743 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-10-20 07:04:43,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:43,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:43,752 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 07:04:43,753 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 07:04:43,753 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:04:43,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-20 07:04:43,758 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2020-10-20 07:04:43,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:43,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:43,759 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 07:04:43,760 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 07:04:43,775 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 26#L50true assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 6#L27true assume !!(f_~k~0 <= 1073741823); 23#L30-2true [2020-10-20 07:04:43,776 INFO L796 eck$LassoCheckResult]: Loop: 23#L30-2true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 23#L30-2true [2020-10-20 07:04:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:43,784 INFO L82 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2020-10-20 07:04:43,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:43,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819207975] [2020-10-20 07:04:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:43,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:43,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:43,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:43,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:43,942 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-10-20 07:04:43,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:43,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574726537] [2020-10-20 07:04:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:43,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:43,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:43,952 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:43,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:43,954 INFO L82 PathProgramCache]: Analyzing trace with hash 28693899, now seen corresponding path program 1 times [2020-10-20 07:04:43,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:43,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311384433] [2020-10-20 07:04:43,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:43,973 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:44,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:44,019 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:44,263 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-20 07:04:44,386 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:44,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:44,388 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:44,388 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:44,388 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:44,388 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:44,388 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:44,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:44,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration1_Lasso [2020-10-20 07:04:44,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:44,389 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:44,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:44,847 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:44,853 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:44,862 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 [2020-10-20 07:04:44,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:44,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:44,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:44,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:44,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:44,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:44,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:44,880 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:44,936 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:44,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:44,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:44,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:44,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:44,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:44,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:44,950 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:44,995 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 [2020-10-20 07:04:44,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:44,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:44,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:44,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,006 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 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 [2020-10-20 07:04:45,040 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 [2020-10-20 07:04:45,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,058 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 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 [2020-10-20 07:04:45,096 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 [2020-10-20 07:04:45,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,106 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 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 [2020-10-20 07:04:45,138 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 [2020-10-20 07:04:45,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,149 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 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 [2020-10-20 07:04:45,186 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 [2020-10-20 07:04:45,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,195 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 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 [2020-10-20 07:04:45,225 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 [2020-10-20 07:04:45,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,239 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 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,290 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 [2020-10-20 07:04:45,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,301 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,329 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 [2020-10-20 07:04:45,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,337 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,365 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 [2020-10-20 07:04:45,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,376 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 [2020-10-20 07:04:45,409 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 [2020-10-20 07:04:45,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,422 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 [2020-10-20 07:04:45,453 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 [2020-10-20 07:04:45,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,463 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,491 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 [2020-10-20 07:04:45,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,506 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 [2020-10-20 07:04:45,532 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 [2020-10-20 07:04:45,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,537 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,567 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 [2020-10-20 07:04:45,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,572 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,595 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 [2020-10-20 07:04:45,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,610 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) [2020-10-20 07:04:45,663 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 [2020-10-20 07:04:45,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,676 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) [2020-10-20 07:04:45,736 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 [2020-10-20 07:04:45,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:45,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:45,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:45,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,791 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 [2020-10-20 07:04:45,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:45,800 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) [2020-10-20 07:04:45,840 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 [2020-10-20 07:04:45,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:45,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:45,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:45,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:45,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:45,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,858 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:45,871 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 07:04:45,871 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. 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) [2020-10-20 07:04:45,877 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:45,881 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:45,881 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:45,882 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2020-10-20 07:04:45,934 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:45,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:45,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 07:04:45,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:46,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:46,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:46,094 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 [2020-10-20 07:04:46,096 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 3 states. [2020-10-20 07:04:46,197 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states.. Second operand 3 states. Result 92 states and 139 transitions. Complement of second has 7 states. [2020-10-20 07:04:46,198 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 [2020-10-20 07:04:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:04:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2020-10-20 07:04:46,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-20 07:04:46,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:46,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-20 07:04:46,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:46,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:04:46,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:46,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 139 transitions. [2020-10-20 07:04:46,213 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2020-10-20 07:04:46,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 30 states and 38 transitions. [2020-10-20 07:04:46,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-10-20 07:04:46,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-20 07:04:46,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2020-10-20 07:04:46,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:04:46,222 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2020-10-20 07:04:46,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2020-10-20 07:04:46,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2020-10-20 07:04:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-20 07:04:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2020-10-20 07:04:46,256 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-20 07:04:46,257 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-10-20 07:04:46,257 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:04:46,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2020-10-20 07:04:46,258 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2020-10-20 07:04:46,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:46,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:46,259 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 07:04:46,259 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 07:04:46,259 INFO L794 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 208#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 207#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 193#L27-1 assume !!(f_~k~0 <= 1073741823); 194#L30-6 [2020-10-20 07:04:46,260 INFO L796 eck$LassoCheckResult]: Loop: 194#L30-6 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 194#L30-6 [2020-10-20 07:04:46,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:46,260 INFO L82 PathProgramCache]: Analyzing trace with hash 927945, now seen corresponding path program 1 times [2020-10-20 07:04:46,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:46,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136296406] [2020-10-20 07:04:46,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:46,273 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:46,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:46,291 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:46,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:46,292 INFO L82 PathProgramCache]: Analyzing trace with hash 124, now seen corresponding path program 1 times [2020-10-20 07:04:46,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:46,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716088193] [2020-10-20 07:04:46,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:46,296 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:46,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:46,300 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:46,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:46,300 INFO L82 PathProgramCache]: Analyzing trace with hash 28766388, now seen corresponding path program 1 times [2020-10-20 07:04:46,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:46,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492452979] [2020-10-20 07:04:46,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:46,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:46,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:46,328 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:46,486 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-20 07:04:46,547 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:46,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:46,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:46,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:46,548 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:46,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:46,548 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:46,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:46,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration2_Lasso [2020-10-20 07:04:46,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:46,548 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:46,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:46,900 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:46,901 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 07:04:46,908 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 [2020-10-20 07:04:46,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:46,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:46,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:46,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:46,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:46,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:46,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:46,915 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) [2020-10-20 07:04:46,953 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 [2020-10-20 07:04:46,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:46,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:46,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:46,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:46,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:46,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:46,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:46,966 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) [2020-10-20 07:04:47,004 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 [2020-10-20 07:04:47,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:47,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:47,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,011 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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,037 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 [2020-10-20 07:04:47,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,049 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 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,074 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 [2020-10-20 07:04:47,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:47,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:47,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:47,079 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 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,100 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 [2020-10-20 07:04:47,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:47,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:47,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:47,107 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 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,130 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 [2020-10-20 07:04:47,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:47,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:47,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:47,134 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 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,158 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 [2020-10-20 07:04:47,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,166 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:47,199 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 [2020-10-20 07:04:47,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,231 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 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,254 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 [2020-10-20 07:04:47,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,268 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 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,291 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 [2020-10-20 07:04:47,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,300 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 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,329 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 [2020-10-20 07:04:47,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,336 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 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,358 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 [2020-10-20 07:04:47,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,368 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 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,391 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 [2020-10-20 07:04:47,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,401 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:47,425 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,434 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 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,460 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 [2020-10-20 07:04:47,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,467 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 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,498 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 [2020-10-20 07:04:47,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,506 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 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,529 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 [2020-10-20 07:04:47,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:47,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:47,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:47,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:47,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:47,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:47,543 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:47,566 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-20 07:04:47,567 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:47,570 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:47,573 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:47,574 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:47,574 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0, ULTIMATE.start_f_~z~0) = 1*ULTIMATE.start_f_~k~0 - 1*ULTIMATE.start_f_~z~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2020-10-20 07:04:47,630 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:47,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:47,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 07:04:47,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:47,695 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:47,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:47,696 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 [2020-10-20 07:04:47,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-10-20 07:04:47,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 39 states and 50 transitions. Complement of second has 6 states. [2020-10-20 07:04:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:04:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-20 07:04:47,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-20 07:04:47,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:47,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-20 07:04:47,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:47,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:04:47,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:47,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2020-10-20 07:04:47,803 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2020-10-20 07:04:47,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 40 transitions. [2020-10-20 07:04:47,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-10-20 07:04:47,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-20 07:04:47,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2020-10-20 07:04:47,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:04:47,811 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-20 07:04:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2020-10-20 07:04:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2020-10-20 07:04:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-20 07:04:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-10-20 07:04:47,814 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-20 07:04:47,814 INFO L594 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-10-20 07:04:47,815 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:04:47,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2020-10-20 07:04:47,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 07:04:47,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:47,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:47,820 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:47,820 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:04:47,821 INFO L794 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 333#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 332#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 322#L27 assume !!(f_~k~0 <= 1073741823); 323#L30-2 assume !(f_~z~0 < f_~k~0); 324#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 325#L18 assume !(0 == __VERIFIER_assert_~cond); 320#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 321#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 339#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 328#L38-2 [2020-10-20 07:04:47,821 INFO L796 eck$LassoCheckResult]: Loop: 328#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 326#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 328#L38-2 [2020-10-20 07:04:47,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:47,821 INFO L82 PathProgramCache]: Analyzing trace with hash 718497116, now seen corresponding path program 1 times [2020-10-20 07:04:47,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:47,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043994645] [2020-10-20 07:04:47,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:47,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:47,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:47,905 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:47,905 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 1 times [2020-10-20 07:04:47,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:47,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795711384] [2020-10-20 07:04:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:47,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:47,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:47,920 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:47,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1014004093, now seen corresponding path program 1 times [2020-10-20 07:04:47,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:47,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131289994] [2020-10-20 07:04:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:47,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:47,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:47,952 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:48,180 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-20 07:04:48,344 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-20 07:04:48,348 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:48,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:48,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:48,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:48,349 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:48,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:48,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:48,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration3_Lasso [2020-10-20 07:04:48,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:48,358 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:48,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:48,764 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:48,764 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:48,769 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 [2020-10-20 07:04:48,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:48,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:48,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,774 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:48,810 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 [2020-10-20 07:04:48,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:48,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,820 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 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,842 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 [2020-10-20 07:04:48,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:48,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:48,848 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 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,871 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 [2020-10-20 07:04:48,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:48,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:48,880 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,909 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 [2020-10-20 07:04:48,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:48,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:48,915 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 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,940 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 [2020-10-20 07:04:48,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:48,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:48,946 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 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:48,979 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 [2020-10-20 07:04:48,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:48,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:48,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:48,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:48,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:48,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:48,987 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 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,017 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 [2020-10-20 07:04:49,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:49,029 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:49,066 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 [2020-10-20 07:04:49,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,077 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:49,112 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 [2020-10-20 07:04:49,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,122 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 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,146 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 [2020-10-20 07:04:49,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:49,153 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 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,174 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 [2020-10-20 07:04:49,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:49,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:49,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:49,178 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,201 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 [2020-10-20 07:04:49,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:49,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:49,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:49,204 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:49,227 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 [2020-10-20 07:04:49,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:49,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,257 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 [2020-10-20 07:04:49,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:49,267 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:49,304 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:49,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:49,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:49,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:49,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:49,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:49,317 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:49,329 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 07:04:49,329 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:04:49,333 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:49,334 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:49,334 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-10-20 07:04:49,366 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:49,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:49,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:49,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:49,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:49,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:49,448 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 07:04:49,448 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-20 07:04:49,519 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 31 states and 40 transitions. Complement of second has 6 states. [2020-10-20 07:04:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:04:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-20 07:04:49,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-20 07:04:49,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:49,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-20 07:04:49,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:49,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 07:04:49,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:49,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2020-10-20 07:04:49,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 07:04:49,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2020-10-20 07:04:49,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2020-10-20 07:04:49,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2020-10-20 07:04:49,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2020-10-20 07:04:49,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:49,525 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2020-10-20 07:04:49,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2020-10-20 07:04:49,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-20 07:04:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 07:04:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2020-10-20 07:04:49,529 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-20 07:04:49,529 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-10-20 07:04:49,529 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 07:04:49,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2020-10-20 07:04:49,530 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 07:04:49,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:49,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:49,530 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:49,531 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:04:49,531 INFO L794 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 475#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 474#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 458#L27-1 assume !!(f_~k~0 <= 1073741823); 459#L30-6 assume !(f_~z~0 < f_~k~0); 480#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 456#L18-3 assume !(0 == __VERIFIER_assert_~cond); 457#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 477#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 478#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 467#L38-5 [2020-10-20 07:04:49,531 INFO L796 eck$LassoCheckResult]: Loop: 467#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 479#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 467#L38-5 [2020-10-20 07:04:49,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:49,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1617484252, now seen corresponding path program 1 times [2020-10-20 07:04:49,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:49,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166278850] [2020-10-20 07:04:49,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:49,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:49,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:49,556 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:49,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:49,556 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 1 times [2020-10-20 07:04:49,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:49,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675911405] [2020-10-20 07:04:49,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:49,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:49,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:49,564 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:49,564 INFO L82 PathProgramCache]: Analyzing trace with hash -375790557, now seen corresponding path program 1 times [2020-10-20 07:04:49,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:49,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566013320] [2020-10-20 07:04:49,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:49,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:49,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:49,590 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:49,762 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2020-10-20 07:04:49,942 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-20 07:04:49,945 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:49,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:49,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:49,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:49,945 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:49,945 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:49,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:49,946 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:49,946 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration4_Lasso [2020-10-20 07:04:49,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:49,946 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:49,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:49,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,325 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:50,326 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,329 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 [2020-10-20 07:04:50,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:50,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:50,340 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:50,375 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 [2020-10-20 07:04:50,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:50,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,382 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:50,417 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 [2020-10-20 07:04:50,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:50,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,429 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 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,462 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 [2020-10-20 07:04:50,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:50,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:50,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:50,466 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 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,488 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 [2020-10-20 07:04:50,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:50,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:50,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:50,492 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 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,522 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 [2020-10-20 07:04:50,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:50,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:50,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:50,530 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:50,563 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 [2020-10-20 07:04:50,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:50,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:50,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,569 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 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,604 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 [2020-10-20 07:04:50,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:50,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:50,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:50,608 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 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,628 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 [2020-10-20 07:04:50,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:50,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:50,638 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 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,666 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 [2020-10-20 07:04:50,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:50,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:50,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:50,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:50,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:50,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:50,677 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:50,688 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 07:04:50,689 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,690 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:04:50,692 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:50,693 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:50,693 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-10-20 07:04:50,723 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:50,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:50,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:50,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:50,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:50,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:50,789 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 07:04:50,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand 4 states. [2020-10-20 07:04:50,829 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 35 states and 46 transitions. Complement of second has 6 states. [2020-10-20 07:04:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:04:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2020-10-20 07:04:50,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2020-10-20 07:04:50,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:50,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-20 07:04:50,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:50,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 07:04:50,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:50,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2020-10-20 07:04:50,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 07:04:50,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 34 states and 45 transitions. [2020-10-20 07:04:50,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-20 07:04:50,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-20 07:04:50,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2020-10-20 07:04:50,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:50,837 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-10-20 07:04:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2020-10-20 07:04:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-10-20 07:04:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 07:04:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2020-10-20 07:04:50,839 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-20 07:04:50,840 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-10-20 07:04:50,840 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 07:04:50,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2020-10-20 07:04:50,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-20 07:04:50,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:50,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:50,841 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:50,841 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:04:50,841 INFO L794 eck$LassoCheckResult]: Stem: 626#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 623#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 622#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 610#L27 assume !!(f_~k~0 <= 1073741823); 611#L30-2 assume !(f_~z~0 < f_~k~0); 612#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 613#L18 assume !(0 == __VERIFIER_assert_~cond); 608#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 609#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 633#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 635#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 614#L38 assume 0 != f_~c~0 % 256; 615#L39 [2020-10-20 07:04:50,841 INFO L796 eck$LassoCheckResult]: Loop: 615#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 621#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 636#L38 assume 0 != f_~c~0 % 256; 615#L39 [2020-10-20 07:04:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:50,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1014004097, now seen corresponding path program 1 times [2020-10-20 07:04:50,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:50,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879127092] [2020-10-20 07:04:50,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:50,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:50,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:50,864 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:50,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:50,864 INFO L82 PathProgramCache]: Analyzing trace with hash 99144, now seen corresponding path program 1 times [2020-10-20 07:04:50,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:50,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327472185] [2020-10-20 07:04:50,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:50,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:50,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:50,873 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:50,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:50,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1690991606, now seen corresponding path program 1 times [2020-10-20 07:04:50,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:50,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625850483] [2020-10-20 07:04:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:50,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:50,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:50,901 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:50,935 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:50,936 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:50,936 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:50,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:50,936 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:04:50,936 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:50,936 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:50,936 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:50,936 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Loop [2020-10-20 07:04:50,936 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:50,937 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:50,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:50,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,089 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:51,090 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:51,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:51,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:51,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:51,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=-154, ULTIMATE.start_f_~y~0=102} Honda state: {ULTIMATE.start_f_#t~nondet7=-154, ULTIMATE.start_f_~y~0=102} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:51,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:51,132 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:51,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:04:51,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:51,168 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:51,168 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-1}, {ULTIMATE.start_f_~z~0=-5}, {ULTIMATE.start_f_~z~0=5}] Lambdas: [1, 2, 1] Nus: [0, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:51,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:51,197 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:51,201 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:51,201 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:51,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:51,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:51,233 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:51,233 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-55, ULTIMATE.start_f_#t~nondet6=-55} Honda state: {ULTIMATE.start_f_~c~0=-55, ULTIMATE.start_f_#t~nondet6=-55} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-10-20 07:04:51,463 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2020-10-20 07:04:51,631 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-20 07:04:51,633 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:51,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:51,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:51,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:51,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:51,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:51,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:51,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:51,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Lasso [2020-10-20 07:04:51,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:51,634 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:51,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:51,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:52,116 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:52,116 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,120 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 [2020-10-20 07:04:52,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,128 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 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,154 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 [2020-10-20 07:04:52,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,167 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 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,191 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 [2020-10-20 07:04:52,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,197 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 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,222 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 [2020-10-20 07:04:52,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,228 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 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,250 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 [2020-10-20 07:04:52,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,257 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 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,280 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 [2020-10-20 07:04:52,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,285 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:52,308 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,314 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 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,338 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 [2020-10-20 07:04:52,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,344 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 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,366 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 [2020-10-20 07:04:52,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,371 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:52,396 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 [2020-10-20 07:04:52,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,402 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 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,426 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 [2020-10-20 07:04:52,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,432 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:52,456 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,463 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 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,485 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 [2020-10-20 07:04:52,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:52,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:52,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:52,491 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 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,514 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 [2020-10-20 07:04:52,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:52,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:52,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:52,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:52,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:52,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:52,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:52,535 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 07:04:52,535 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,538 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:04:52,541 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2020-10-20 07:04:52,541 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:52,541 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0, 1*ULTIMATE.start_f_~x~0 - 1 >= 0] [2020-10-20 07:04:52,577 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-10-20 07:04:52,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:52,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:52,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:52,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:52,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:52,670 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-20 07:04:52,670 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17 Second operand 5 states. [2020-10-20 07:04:52,720 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17. Second operand 5 states. Result 43 states and 57 transitions. Complement of second has 7 states. [2020-10-20 07:04:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:04:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-20 07:04:52,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-20 07:04:52,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:52,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2020-10-20 07:04:52,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:52,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2020-10-20 07:04:52,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:52,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2020-10-20 07:04:52,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 07:04:52,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 52 transitions. [2020-10-20 07:04:52,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-20 07:04:52,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-20 07:04:52,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 52 transitions. [2020-10-20 07:04:52,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:52,727 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2020-10-20 07:04:52,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 52 transitions. [2020-10-20 07:04:52,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2020-10-20 07:04:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-20 07:04:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2020-10-20 07:04:52,730 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2020-10-20 07:04:52,730 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2020-10-20 07:04:52,730 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-20 07:04:52,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 51 transitions. [2020-10-20 07:04:52,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-10-20 07:04:52,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:52,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:52,732 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:52,732 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:04:52,732 INFO L794 eck$LassoCheckResult]: Stem: 802#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 801#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 800#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 782#L27-1 assume !!(f_~k~0 <= 1073741823); 783#L30-6 assume !(f_~z~0 < f_~k~0); 810#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 780#L18-3 assume !(0 == __VERIFIER_assert_~cond); 781#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 803#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 804#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 805#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 809#L38-3 assume 0 != f_~c~0 % 256; 795#L39-1 [2020-10-20 07:04:52,732 INFO L796 eck$LassoCheckResult]: Loop: 795#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 796#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 806#L38-3 assume 0 != f_~c~0 % 256; 795#L39-1 [2020-10-20 07:04:52,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:52,733 INFO L82 PathProgramCache]: Analyzing trace with hash -375790561, now seen corresponding path program 1 times [2020-10-20 07:04:52,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:52,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665842687] [2020-10-20 07:04:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:52,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:52,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:52,783 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:52,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:52,784 INFO L82 PathProgramCache]: Analyzing trace with hash 171633, now seen corresponding path program 1 times [2020-10-20 07:04:52,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:52,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003180544] [2020-10-20 07:04:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:52,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:52,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:52,802 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:52,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:52,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1803279763, now seen corresponding path program 1 times [2020-10-20 07:04:52,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:52,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393448985] [2020-10-20 07:04:52,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:52,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:52,833 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:52,838 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:52,867 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:52,867 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:52,867 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:52,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:52,867 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:04:52,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:52,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:52,868 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:52,868 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Loop [2020-10-20 07:04:52,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:52,868 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:52,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:52,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:52,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:52,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,003 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:53,004 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:53,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:53,010 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:53,010 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:53,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:53,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:53,040 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-214, ULTIMATE.start_f_#t~nondet6=-214} Honda state: {ULTIMATE.start_f_~c~0=-214, ULTIMATE.start_f_#t~nondet6=-214} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:53,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:53,072 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:53,072 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=224, ULTIMATE.start_f_~y~0=224} Honda state: {ULTIMATE.start_f_#t~nondet7=224, ULTIMATE.start_f_~y~0=224} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:04:53,093 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,118 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:04:53,118 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:04:53,131 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:04:53,131 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-1}, {ULTIMATE.start_f_~z~0=-5}, {ULTIMATE.start_f_~z~0=5}] Lambdas: [1, 2, 1] Nus: [0, 1] [2020-10-20 07:04:53,345 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-10-20 07:04:53,504 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-20 07:04:53,507 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:53,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:53,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:53,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:53,508 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:53,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:53,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:53,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Lasso [2020-10-20 07:04:53,508 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:53,508 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:53,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:53,970 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:53,970 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:53,976 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 [2020-10-20 07:04:53,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:53,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:53,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:53,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:53,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:53,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:53,983 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 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:54,003 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 [2020-10-20 07:04:54,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:54,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:54,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:54,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:54,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:54,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:54,008 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 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:54,030 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 [2020-10-20 07:04:54,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:54,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:54,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:54,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:54,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:54,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:54,038 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 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:54,058 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 [2020-10-20 07:04:54,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:54,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:54,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:54,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:54,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:54,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:54,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:54,097 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 07:04:54,097 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:54,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:54,102 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:54,102 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:54,102 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-10-20 07:04:54,135 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:54,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:54,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:54,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:54,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:54,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:54,217 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-20 07:04:54,217 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20 Second operand 5 states. [2020-10-20 07:04:54,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20. Second operand 5 states. Result 48 states and 64 transitions. Complement of second has 7 states. [2020-10-20 07:04:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:04:54,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-20 07:04:54,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-20 07:04:54,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:54,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2020-10-20 07:04:54,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:54,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2020-10-20 07:04:54,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:54,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2020-10-20 07:04:54,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 07:04:54,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 59 transitions. [2020-10-20 07:04:54,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-10-20 07:04:54,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-10-20 07:04:54,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2020-10-20 07:04:54,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:54,273 INFO L691 BuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-20 07:04:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2020-10-20 07:04:54,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2020-10-20 07:04:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 07:04:54,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2020-10-20 07:04:54,276 INFO L714 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-20 07:04:54,277 INFO L594 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2020-10-20 07:04:54,277 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-20 07:04:54,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2020-10-20 07:04:54,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 07:04:54,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:54,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:54,279 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:54,279 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:04:54,279 INFO L794 eck$LassoCheckResult]: Stem: 985#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 984#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 983#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 968#L27 assume !!(f_~k~0 <= 1073741823); 969#L30-2 assume !(f_~z~0 < f_~k~0); 970#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 971#L18 assume !(0 == __VERIFIER_assert_~cond); 966#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 967#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 993#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 995#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1003#L38 assume 0 != f_~c~0 % 256; 980#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 981#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1004#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 973#L38-2 [2020-10-20 07:04:54,279 INFO L796 eck$LassoCheckResult]: Loop: 973#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 972#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 973#L38-2 [2020-10-20 07:04:54,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:54,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1690991602, now seen corresponding path program 1 times [2020-10-20 07:04:54,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:54,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496596579] [2020-10-20 07:04:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:54,292 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:54,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:54,307 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:54,307 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 2 times [2020-10-20 07:04:54,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:54,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098880609] [2020-10-20 07:04:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:54,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:54,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:54,315 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1545289547, now seen corresponding path program 2 times [2020-10-20 07:04:54,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:54,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142532632] [2020-10-20 07:04:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:54,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:54,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:54,343 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:54,659 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 100 [2020-10-20 07:04:54,876 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-20 07:04:54,878 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:54,878 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:54,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:54,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:54,878 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:54,878 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:54,878 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:54,878 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:54,878 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration7_Lasso [2020-10-20 07:04:54,878 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:54,879 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:54,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:54,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:55,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:55,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:55,347 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:55,348 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 101 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 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,355 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 [2020-10-20 07:04:55,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,362 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 102 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 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,382 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 [2020-10-20 07:04:55,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,387 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 103 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 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,409 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 [2020-10-20 07:04:55,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,416 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 104 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 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,444 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 [2020-10-20 07:04:55,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,449 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 105 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 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,472 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 [2020-10-20 07:04:55,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,477 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 106 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 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,505 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 [2020-10-20 07:04:55,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,512 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 107 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 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,534 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 [2020-10-20 07:04:55,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,539 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 108 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 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,562 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 [2020-10-20 07:04:55,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,568 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 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,603 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 [2020-10-20 07:04:55,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,610 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 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,657 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 [2020-10-20 07:04:55,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,670 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 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,718 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 [2020-10-20 07:04:55,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,730 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 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,783 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 [2020-10-20 07:04:55,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,796 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 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,833 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 [2020-10-20 07:04:55,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,842 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 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,877 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 [2020-10-20 07:04:55,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,922 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 [2020-10-20 07:04:55,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:55,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:55,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:55,931 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 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,966 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 [2020-10-20 07:04:55,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:55,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:55,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:55,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:55,996 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 [2020-10-20 07:04:55,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:55,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:55,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:55,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:56,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:56,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:56,003 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 118 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 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:56,024 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 [2020-10-20 07:04:56,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:56,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:56,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:56,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:56,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:56,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:56,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:56,027 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 119 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 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:56,049 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 [2020-10-20 07:04:56,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:56,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:56,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:56,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:56,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:56,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:56,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:56,052 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 120 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 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:56,075 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 [2020-10-20 07:04:56,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:56,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:56,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:56,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:56,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:56,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:56,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:56,101 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-10-20 07:04:56,101 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 121 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 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:56,103 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:04:56,105 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:56,105 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:56,105 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [999999*ULTIMATE.start_f_~d - 1*ULTIMATE.start_f_~x~0 >= 0] [2020-10-20 07:04:56,137 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:56,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:56,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:04:56,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:56,225 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:04:56,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:56,244 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-20 07:04:56,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23 Second operand 6 states. [2020-10-20 07:04:56,355 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23. Second operand 6 states. Result 59 states and 79 transitions. Complement of second has 9 states. [2020-10-20 07:04:56,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 07:04:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 07:04:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 39 transitions. [2020-10-20 07:04:56,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-20 07:04:56,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:56,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:04:56,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:56,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 39 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-20 07:04:56,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:56,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 79 transitions. [2020-10-20 07:04:56,361 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 07:04:56,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 72 transitions. [2020-10-20 07:04:56,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-10-20 07:04:56,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-10-20 07:04:56,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 72 transitions. [2020-10-20 07:04:56,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:56,363 INFO L691 BuchiCegarLoop]: Abstraction has 54 states and 72 transitions. [2020-10-20 07:04:56,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 72 transitions. [2020-10-20 07:04:56,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-10-20 07:04:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-20 07:04:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2020-10-20 07:04:56,367 INFO L714 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2020-10-20 07:04:56,367 INFO L594 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2020-10-20 07:04:56,367 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-20 07:04:56,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 68 transitions. [2020-10-20 07:04:56,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 07:04:56,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:56,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:56,369 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:56,369 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:04:56,369 INFO L794 eck$LassoCheckResult]: Stem: 1198#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1197#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1196#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1177#L27-1 assume !!(f_~k~0 <= 1073741823); 1178#L30-6 assume !(f_~z~0 < f_~k~0); 1206#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1175#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1176#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1199#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1200#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1201#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1202#L38-3 assume 0 != f_~c~0 % 256; 1185#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1186#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1216#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1210#L38-5 [2020-10-20 07:04:56,370 INFO L796 eck$LassoCheckResult]: Loop: 1210#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1209#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1210#L38-5 [2020-10-20 07:04:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:56,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1803279767, now seen corresponding path program 1 times [2020-10-20 07:04:56,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:56,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096436471] [2020-10-20 07:04:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:56,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:56,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:56,395 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:56,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:56,396 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 2 times [2020-10-20 07:04:56,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:56,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955864370] [2020-10-20 07:04:56,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:56,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:56,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:56,402 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:56,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:56,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2080040222, now seen corresponding path program 2 times [2020-10-20 07:04:56,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:56,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815985820] [2020-10-20 07:04:56,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:56,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:56,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:56,431 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:56,781 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2020-10-20 07:04:57,067 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-20 07:04:57,070 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:57,070 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:57,070 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:57,070 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:57,071 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:57,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:57,071 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:57,071 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration8_Lasso [2020-10-20 07:04:57,071 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:57,071 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:57,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:57,534 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:57,534 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 122 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 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,538 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 [2020-10-20 07:04:57,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:57,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:57,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:57,541 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 123 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 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,563 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 [2020-10-20 07:04:57,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,568 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 124 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 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,591 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 [2020-10-20 07:04:57,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,601 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 125 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 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,622 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 [2020-10-20 07:04:57,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,628 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 126 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 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,651 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 [2020-10-20 07:04:57,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,657 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 127 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 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,682 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 [2020-10-20 07:04:57,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,689 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:57,711 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:57,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:57,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:57,714 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 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:57,738 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 [2020-10-20 07:04:57,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:57,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:57,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:57,742 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 130 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 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,764 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 [2020-10-20 07:04:57,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,769 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 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,792 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 [2020-10-20 07:04:57,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,798 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 132 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 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,821 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 [2020-10-20 07:04:57,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:57,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:57,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:57,824 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:57,845 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 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,853 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 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:57,879 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 [2020-10-20 07:04:57,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,884 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 135 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 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,907 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 [2020-10-20 07:04:57,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,913 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 136 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 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,936 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 [2020-10-20 07:04:57,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,940 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 137 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,962 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 [2020-10-20 07:04:57,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,966 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:57,992 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:57,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:57,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:57,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:57,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:57,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:57,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:57,999 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:04:58,030 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:58,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:58,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:58,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:58,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:58,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:58,036 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 140 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 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,058 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 [2020-10-20 07:04:58,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:58,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:58,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:58,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:58,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:58,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:58,064 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 141 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 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,086 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 [2020-10-20 07:04:58,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:58,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:58,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:58,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:58,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:58,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:58,092 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 142 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 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,113 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 [2020-10-20 07:04:58,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:58,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:58,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:58,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:58,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:58,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:58,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:58,116 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 143 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 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,138 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 [2020-10-20 07:04:58,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:58,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:04:58,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:58,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:58,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:58,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:04:58,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:04:58,143 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 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,166 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 [2020-10-20 07:04:58,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:58,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:58,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:58,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:58,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:58,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:58,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:58,192 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 07:04:58,192 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 145 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 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:58,195 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:04:58,197 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:58,197 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:58,197 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2020-10-20 07:04:58,230 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:58,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:58,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:58,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:58,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:58,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:58,296 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 07:04:58,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27 Second operand 4 states. [2020-10-20 07:04:58,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27. Second operand 4 states. Result 69 states and 90 transitions. Complement of second has 6 states. [2020-10-20 07:04:58,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:04:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-20 07:04:58,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2020-10-20 07:04:58,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:58,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:04:58,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:58,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2020-10-20 07:04:58,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:58,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 90 transitions. [2020-10-20 07:04:58,350 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 07:04:58,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 61 states and 80 transitions. [2020-10-20 07:04:58,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2020-10-20 07:04:58,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2020-10-20 07:04:58,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2020-10-20 07:04:58,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:58,352 INFO L691 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-10-20 07:04:58,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2020-10-20 07:04:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2020-10-20 07:04:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 07:04:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2020-10-20 07:04:58,359 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2020-10-20 07:04:58,359 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2020-10-20 07:04:58,359 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-10-20 07:04:58,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 78 transitions. [2020-10-20 07:04:58,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-10-20 07:04:58,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:58,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:58,361 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:58,361 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:04:58,361 INFO L794 eck$LassoCheckResult]: Stem: 1417#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1416#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1415#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1400#L27 assume !!(f_~k~0 <= 1073741823); 1401#L30-2 assume !(f_~z~0 < f_~k~0); 1402#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1403#L18 assume !(0 == __VERIFIER_assert_~cond); 1398#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1399#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1426#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1428#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1406#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1407#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1404#L38 assume 0 != f_~c~0 % 256; 1405#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1438#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1436#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1435#L38-2 [2020-10-20 07:04:58,362 INFO L796 eck$LassoCheckResult]: Loop: 1435#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1434#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1435#L38-2 [2020-10-20 07:04:58,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:58,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1435303097, now seen corresponding path program 3 times [2020-10-20 07:04:58,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:58,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5260862] [2020-10-20 07:04:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:58,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:58,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:58,385 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:58,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:58,386 INFO L82 PathProgramCache]: Analyzing trace with hash 3048, now seen corresponding path program 3 times [2020-10-20 07:04:58,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:58,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328736064] [2020-10-20 07:04:58,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:58,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:58,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:58,392 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:58,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:58,393 INFO L82 PathProgramCache]: Analyzing trace with hash -641772114, now seen corresponding path program 4 times [2020-10-20 07:04:58,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:58,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211480957] [2020-10-20 07:04:58,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:58,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:58,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:58,431 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:58,782 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-10-20 07:04:59,005 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-10-20 07:04:59,007 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:04:59,007 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:04:59,007 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:04:59,007 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:04:59,007 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:04:59,007 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:59,007 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:04:59,007 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:04:59,007 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration9_Lasso [2020-10-20 07:04:59,007 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:04:59,008 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:04:59,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:04:59,494 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:04:59,494 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 146 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 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:59,496 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 [2020-10-20 07:04:59,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:59,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:59,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:59,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:59,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:59,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:59,506 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 147 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 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:59,528 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 [2020-10-20 07:04:59,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:04:59,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:04:59,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:04:59,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:04:59,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:04:59,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:04:59,542 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:04:59,555 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 07:04:59,555 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 148 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 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:04:59,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:04:59,560 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:04:59,560 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:04:59,560 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2020-10-20 07:04:59,592 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:04:59,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:59,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:59,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:59,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:59,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:59,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 07:04:59,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-20 07:04:59,715 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 67 states and 86 transitions. Complement of second has 6 states. [2020-10-20 07:04:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:04:59,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-20 07:04:59,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:04:59,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:59,717 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 07:04:59,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:59,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:59,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:59,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:59,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:59,789 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 07:04:59,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-20 07:04:59,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 67 states and 86 transitions. Complement of second has 6 states. [2020-10-20 07:04:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:04:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2020-10-20 07:04:59,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:04:59,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:59,831 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 07:04:59,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:59,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:04:59,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:04:59,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:04:59,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:04:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:04:59,899 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 07:04:59,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 Second operand 4 states. [2020-10-20 07:04:59,938 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. Second operand 4 states. Result 70 states and 91 transitions. Complement of second has 5 states. [2020-10-20 07:04:59,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:04:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:04:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2020-10-20 07:04:59,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:04:59,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:59,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-20 07:04:59,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:59,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-20 07:04:59,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:04:59,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 91 transitions. [2020-10-20 07:04:59,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:04:59,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 31 states and 40 transitions. [2020-10-20 07:04:59,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-10-20 07:04:59,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 07:04:59,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2020-10-20 07:04:59,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:04:59,943 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-20 07:04:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2020-10-20 07:04:59,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-20 07:04:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-20 07:04:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2020-10-20 07:04:59,946 INFO L714 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-20 07:04:59,946 INFO L594 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-10-20 07:04:59,947 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-10-20 07:04:59,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2020-10-20 07:04:59,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:04:59,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:04:59,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:04:59,948 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:04:59,948 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:04:59,949 INFO L794 eck$LassoCheckResult]: Stem: 1904#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1903#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1902#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1897#L27-1 assume !!(f_~k~0 <= 1073741823); 1898#L30-6 assume !(f_~z~0 < f_~k~0); 1912#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1895#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1896#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1905#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1906#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1907#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1909#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1925#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1924#L38-3 assume 0 != f_~c~0 % 256; 1922#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1921#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1920#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1919#L38-5 [2020-10-20 07:04:59,949 INFO L796 eck$LassoCheckResult]: Loop: 1919#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1918#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1919#L38-5 [2020-10-20 07:04:59,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:59,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2104940624, now seen corresponding path program 3 times [2020-10-20 07:04:59,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:59,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768309614] [2020-10-20 07:04:59,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:59,959 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:59,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:59,971 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:59,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:59,971 INFO L82 PathProgramCache]: Analyzing trace with hash 5384, now seen corresponding path program 3 times [2020-10-20 07:04:59,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:59,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326007565] [2020-10-20 07:04:59,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:59,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:59,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:04:59,977 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:04:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:04:59,978 INFO L82 PathProgramCache]: Analyzing trace with hash 81661175, now seen corresponding path program 4 times [2020-10-20 07:04:59,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:04:59,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370620634] [2020-10-20 07:04:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:04:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:04:59,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:00,008 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:00,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:00,359 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2020-10-20 07:05:00,555 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2020-10-20 07:05:00,558 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:05:00,558 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:05:00,558 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:05:00,558 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:05:00,559 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:05:00,559 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:00,559 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:05:00,559 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:05:00,559 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration10_Lasso [2020-10-20 07:05:00,559 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:05:00,560 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:05:00,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:00,972 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:05:00,972 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 149 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 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:00,975 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 [2020-10-20 07:05:00,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:00,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:00,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:00,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:00,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:00,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:00,983 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 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:05:01,005 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 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,011 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 151 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 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,032 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 [2020-10-20 07:05:01,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,038 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 152 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 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,061 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 [2020-10-20 07:05:01,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,073 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 153 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 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,094 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 [2020-10-20 07:05:01,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,100 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 154 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 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,122 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 [2020-10-20 07:05:01,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,126 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 155 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 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,148 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 [2020-10-20 07:05:01,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,157 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 156 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 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,178 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 [2020-10-20 07:05:01,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,183 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 157 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 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,205 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 [2020-10-20 07:05:01,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,211 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 158 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 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,232 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 [2020-10-20 07:05:01,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,238 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 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:05:01,260 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 [2020-10-20 07:05:01,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,270 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 160 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 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,305 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 [2020-10-20 07:05:01,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,310 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 161 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 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,333 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 [2020-10-20 07:05:01,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,341 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 162 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 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,361 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 [2020-10-20 07:05:01,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:01,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:01,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:05:01,364 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 163 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 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,387 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 [2020-10-20 07:05:01,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,393 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 164 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 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,414 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 [2020-10-20 07:05:01,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:01,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:01,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:05:01,418 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 165 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 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,441 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 [2020-10-20 07:05:01,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:01,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:01,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:05:01,444 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 166 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 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,477 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 [2020-10-20 07:05:01,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:01,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:01,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:01,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:01,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:01,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:01,490 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:05:01,500 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 07:05:01,500 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 167 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 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:01,503 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:05:01,505 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:05:01,505 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:05:01,506 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [499999*ULTIMATE.start_f_~d - 1*ULTIMATE.start_f_~x~0 >= 0] [2020-10-20 07:05:01,537 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2020-10-20 07:05:01,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:01,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:01,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:01,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:01,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:05:01,656 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-20 07:05:01,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-20 07:05:01,731 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand 6 states. Result 37 states and 47 transitions. Complement of second has 9 states. [2020-10-20 07:05:01,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 07:05:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 07:05:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-10-20 07:05:01,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:05:01,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:01,733 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 07:05:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:01,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:01,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:01,829 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:01,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:05:01,848 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-20 07:05:01,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-20 07:05:01,924 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand 6 states. Result 37 states and 47 transitions. Complement of second has 9 states. [2020-10-20 07:05:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 07:05:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 07:05:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2020-10-20 07:05:01,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:05:01,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:01,926 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 07:05:01,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:01,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:01,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:02,025 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:02,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:05:02,044 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2020-10-20 07:05:02,044 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 Second operand 6 states. [2020-10-20 07:05:02,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. Second operand 6 states. Result 38 states and 49 transitions. Complement of second has 8 states. [2020-10-20 07:05:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2020-10-20 07:05:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 07:05:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2020-10-20 07:05:02,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 2 letters. [2020-10-20 07:05:02,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:02,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 19 letters. Loop has 2 letters. [2020-10-20 07:05:02,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:02,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2020-10-20 07:05:02,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:02,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2020-10-20 07:05:02,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:05:02,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2020-10-20 07:05:02,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:05:02,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:05:02,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:05:02,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:05:02,133 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:02,133 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:02,133 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:02,133 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-10-20 07:05:02,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:05:02,133 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:05:02,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:05:02,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:05:02 BoogieIcfgContainer [2020-10-20 07:05:02,139 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:05:02,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:05:02,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:05:02,140 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:05:02,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:04:43" (3/4) ... [2020-10-20 07:05:02,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:05:02,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:05:02,145 INFO L168 Benchmark]: Toolchain (without parser) took 19507.19 ms. Allocated memory was 37.2 MB in the beginning and 119.5 MB in the end (delta: 82.3 MB). Free memory was 19.5 MB in the beginning and 89.9 MB in the end (delta: -70.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,146 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.33 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.7 MB in the beginning and 26.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.01 ms. Allocated memory is still 45.1 MB. Free memory was 26.7 MB in the beginning and 24.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,147 INFO L168 Benchmark]: Boogie Preprocessor took 26.68 ms. Allocated memory is still 45.1 MB. Free memory was 24.8 MB in the beginning and 23.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,148 INFO L168 Benchmark]: RCFGBuilder took 362.83 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 23.4 MB in the beginning and 18.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,148 INFO L168 Benchmark]: BuchiAutomizer took 18559.01 ms. Allocated memory was 46.1 MB in the beginning and 119.5 MB in the end (delta: 73.4 MB). Free memory was 18.0 MB in the beginning and 89.9 MB in the end (delta: -71.9 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:02,149 INFO L168 Benchmark]: Witness Printer took 4.67 ms. Allocated memory is still 119.5 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:05:02,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 34.1 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 497.33 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.7 MB in the beginning and 26.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 43.01 ms. Allocated memory is still 45.1 MB. Free memory was 26.7 MB in the beginning and 24.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.68 ms. Allocated memory is still 45.1 MB. Free memory was 24.8 MB in the beginning and 23.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 362.83 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 23.4 MB in the beginning and 18.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 18559.01 ms. Allocated memory was 46.1 MB in the beginning and 119.5 MB in the end (delta: 73.4 MB). Free memory was 18.0 MB in the beginning and 89.9 MB in the end (delta: -71.9 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.67 ms. Allocated memory is still 119.5 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * z + k and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 7 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.4s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 15.9s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 8. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 326 SDtfs, 511 SDslu, 160 SDs, 0 SdLazy, 200 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital128 mio100 ax100 hnf97 lsp47 ukn64 mio100 lsp79 div305 bol100 ite100 ukn100 eq142 hnf47 smp86 dnf100 smp100 tf101 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 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...