./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_1-2.c --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/loop-acceleration/array_1-2.c -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 0edc3db25587eb2dcb44164977e2a8fa1ed85700 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:05:06,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:05:06,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:05:06,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:05:06,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:05:06,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:05:06,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:05:06,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:05:06,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:05:06,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:05:06,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:05:06,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:05:06,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:05:06,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:05:06,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:05:06,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:05:06,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:05:06,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:05:06,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:05:06,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:05:06,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:05:06,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:05:06,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:05:06,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:05:06,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:05:06,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:05:06,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:05:06,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:05:06,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:05:06,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:05:06,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:05:06,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:05:06,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:05:06,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:05:06,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:05:06,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:05:06,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:05:06,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:05:06,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:05:06,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:05:06,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:05:06,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:05:06,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:05:06,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:05:06,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:05:06,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:05:06,611 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:05:06,611 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:05:06,611 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:05:06,612 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:05:06,612 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:05:06,612 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:05:06,612 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:05:06,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:05:06,612 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:05:06,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:05:06,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:05:06,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:05:06,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:05:06,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:05:06,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:05:06,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:05:06,614 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:05:06,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:05:06,614 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:05:06,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:05:06,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:05:06,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:05:06,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:05:06,617 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:05:06,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:05:06,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:05:06,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:05:06,618 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:05:06,619 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:05:06,619 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 -> 0edc3db25587eb2dcb44164977e2a8fa1ed85700 [2020-10-20 07:05:06,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:05:06,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:05:06,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:05:06,846 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:05:06,847 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:05:06,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_1-2.c [2020-10-20 07:05:06,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05d29cca/bb95b2ea187d4337a2dd97da46949711/FLAGf44d3969b [2020-10-20 07:05:07,414 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:05:07,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_1-2.c [2020-10-20 07:05:07,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05d29cca/bb95b2ea187d4337a2dd97da46949711/FLAGf44d3969b [2020-10-20 07:05:07,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05d29cca/bb95b2ea187d4337a2dd97da46949711 [2020-10-20 07:05:07,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:05:07,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:05:07,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:05:07,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:05:07,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:05:07,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:05:07" (1/1) ... [2020-10-20 07:05:07,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbe767f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:07, skipping insertion in model container [2020-10-20 07:05:07,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:05:07" (1/1) ... [2020-10-20 07:05:07,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:05:07,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:05:08,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:05:08,150 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:05:08,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:05:08,189 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:05:08,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08 WrapperNode [2020-10-20 07:05:08,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:05:08,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:05:08,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:05:08,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:05:08,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:05:08,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:05:08,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:05:08,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:05:08,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:05:08,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:05:08,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:05:08,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:05:08,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (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 07:05:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 07:05:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:05:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:05:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 07:05:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:05:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:05:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 07:05:08,543 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:05:08,544 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 07:05:08,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:05:08 BoogieIcfgContainer [2020-10-20 07:05:08,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:05:08,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:05:08,546 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:05:08,550 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:05:08,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:05:08,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:05:07" (1/3) ... [2020-10-20 07:05:08,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f3a3426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:05:08, skipping insertion in model container [2020-10-20 07:05:08,553 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:05:08,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (2/3) ... [2020-10-20 07:05:08,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f3a3426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:05:08, skipping insertion in model container [2020-10-20 07:05:08,554 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:05:08,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:05:08" (3/3) ... [2020-10-20 07:05:08,556 INFO L373 chiAutomizerObserver]: Analyzing ICFG array_1-2.c [2020-10-20 07:05:08,604 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:05:08,604 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:05:08,605 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:05:08,605 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:05:08,605 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:05:08,605 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:05:08,605 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:05:08,605 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:05:08,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-20 07:05:08,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:05:08,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:05:08,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:05:08,646 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:05:08,646 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:05:08,646 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:05:08,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-20 07:05:08,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:05:08,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:05:08,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:05:08,648 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:05:08,648 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:05:08,657 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(12);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~post7, main_#t~mem8, main_~#A~0.base, main_~#A~0.offset, main_~i~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0;main_~i~0 := 0; 10#L16-3true [2020-10-20 07:05:08,657 INFO L796 eck$LassoCheckResult]: Loop: 10#L16-3true assume !!(main_~i~0 < 1024);call write~int(main_~i~0, main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4); 13#L16-2true main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 10#L16-3true [2020-10-20 07:05:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:08,663 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:05:08,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:05:08,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633444656] [2020-10-20 07:05:08,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:05:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:08,788 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:08,820 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:08,846 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:08,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:08,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-10-20 07:05:08,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:05:08,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144473132] [2020-10-20 07:05:08,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:05:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:08,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:08,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:08,866 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:08,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:08,868 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-10-20 07:05:08,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:05:08,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929203850] [2020-10-20 07:05:08,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:05:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:08,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:08,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:08,931 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:09,412 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2020-10-20 07:05:09,555 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-20 07:05:09,569 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:05:09,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:05:09,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:05:09,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:05:09,571 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:05:09,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:09,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:05:09,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:05:09,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_1-2.c_Iteration1_Lasso [2020-10-20 07:05:09,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:05:09,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:05:09,598 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 07:05:09,612 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 07:05:09,616 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 07:05:09,619 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 07:05:09,624 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 07:05:09,862 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-10-20 07:05:09,897 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 07:05:09,903 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 07:05:09,907 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 07:05:10,212 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:05:10,217 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) [2020-10-20 07:05:10,232 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 07:05:10,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:10,248 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 07:05:10,287 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 07:05:10,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:10,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:10,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:05:10,294 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 07:05:10,332 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:10,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:10,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:10,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:05:10,337 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 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 07:05:10,363 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 07:05:10,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,388 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 07:05:10,418 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 07:05:10,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 07:05:10,464 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 07:05:10,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,489 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 07:05:10,525 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 07:05:10,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,535 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 07:05:10,573 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 07:05:10,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,582 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 07:05:10,625 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 07:05:10,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,634 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 07:05:10,659 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 07:05:10,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,668 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 07:05:10,694 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 07:05:10,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,712 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 07:05:10,751 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 07:05:10,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,760 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 07:05:10,785 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 07:05:10,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,799 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 07:05:10,836 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 07:05:10,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:10,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:10,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:05:10,841 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 07:05:10,865 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 07:05:10,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:05:10,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:05:10,949 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-20 07:05:10,949 INFO L444 ModelExtractionUtils]: 5 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 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 07:05:10,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:05:10,965 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 07:05:10,966 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:05:10,966 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1) = -8*ULTIMATE.start_main_~i~0 + 2047*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 Supporting invariants [] [2020-10-20 07:05:11,043 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 07:05:11,055 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 07:05:11,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:11,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:05:11,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:11,118 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:11,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:11,169 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 07:05:11,190 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:05:11,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2020-10-20 07:05:11,271 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 25 states and 31 transitions. Complement of second has 8 states. [2020-10-20 07:05:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:05:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:05:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2020-10-20 07:05:11,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 07:05:11,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:11,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:05:11,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:11,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 07:05:11,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:11,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2020-10-20 07:05:11,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:05:11,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-10-20 07:05:11,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:05:11,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:05:11,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:05:11,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:05:11,294 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:11,294 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:11,294 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:11,302 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:05:11,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:05:11,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:05:11,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:05:11,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:05:11 BoogieIcfgContainer [2020-10-20 07:05:11,326 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:05:11,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:05:11,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:05:11,329 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:05:11,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:05:08" (3/4) ... [2020-10-20 07:05:11,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:05:11,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:05:11,342 INFO L168 Benchmark]: Toolchain (without parser) took 3492.51 ms. Allocated memory was 37.2 MB in the beginning and 56.1 MB in the end (delta: 18.9 MB). Free memory was 19.3 MB in the beginning and 15.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,343 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.6 MB. Free memory was 11.4 MB in the beginning and 11.3 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.71 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.4 MB in the beginning and 27.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 45.1 MB. Free memory was 27.1 MB in the beginning and 25.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,348 INFO L168 Benchmark]: Boogie Preprocessor took 26.10 ms. Allocated memory is still 45.1 MB. Free memory was 25.5 MB in the beginning and 24.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,349 INFO L168 Benchmark]: RCFGBuilder took 286.55 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 47.8 kB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,352 INFO L168 Benchmark]: BuchiAutomizer took 2781.66 ms. Allocated memory was 46.7 MB in the beginning and 56.1 MB in the end (delta: 9.4 MB). Free memory was 24.0 MB in the beginning and 15.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,354 INFO L168 Benchmark]: Witness Printer took 10.79 ms. Allocated memory is still 56.1 MB. Free memory was 15.9 MB in the beginning and 15.4 MB in the end (delta: 518.3 kB). Peak memory consumption was 518.3 kB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.6 MB. Free memory was 11.4 MB in the beginning and 11.3 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 335.71 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 18.4 MB in the beginning and 27.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 45.1 MB. Free memory was 27.1 MB in the beginning and 25.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.10 ms. Allocated memory is still 45.1 MB. Free memory was 25.5 MB in the beginning and 24.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 286.55 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 47.8 kB). Peak memory consumption was 12.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2781.66 ms. Allocated memory was 46.7 MB in the beginning and 56.1 MB in the end (delta: 9.4 MB). Free memory was 24.0 MB in the beginning and 15.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. * Witness Printer took 10.79 ms. Allocated memory is still 56.1 MB. Free memory was 15.9 MB in the beginning and 15.4 MB in the end (delta: 518.3 kB). Peak memory consumption was 518.3 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 2047 * unknown-#length-unknown[A] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax100 hnf100 lsp93 ukn55 mio100 lsp43 div100 bol100 ite100 ukn100 eq163 hnf92 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...