./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/termination-memory-alloca/b.02-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 422e0eaf2d7a917ba2bde807c111198f2d7aea19 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:34:21,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:34:21,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:34:21,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:34:21,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:34:21,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:34:21,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:34:21,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:34:21,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:34:21,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:34:21,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:34:21,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:34:21,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:34:21,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:34:21,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:34:21,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:34:21,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:34:21,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:34:21,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:34:21,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:34:21,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:34:21,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:34:21,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:34:21,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:34:21,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:34:21,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:34:21,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:34:21,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:34:21,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:34:21,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:34:21,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:34:21,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:34:21,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:34:21,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:34:21,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:34:21,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:34:21,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:34:21,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:34:21,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:34:21,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:34:21,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:34:21,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:34:21,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:34:21,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:34:21,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:34:21,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:34:21,397 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:34:21,397 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:34:21,398 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:34:21,400 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:34:21,400 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:34:21,401 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:34:21,401 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:34:21,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:34:21,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:34:21,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:34:21,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:34:21,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:34:21,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:34:21,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:34:21,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:34:21,404 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:34:21,404 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:34:21,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:34:21,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:34:21,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:34:21,405 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:34:21,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:34:21,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:34:21,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:34:21,407 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:34:21,408 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:34:21,408 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2020-07-29 01:34:21,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:34:21,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:34:21,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:34:21,774 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:34:21,775 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:34:21,775 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2020-07-29 01:34:21,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d806b16/bc45f632aa7f40838f01856c02c64c23/FLAGae15cf0bd [2020-07-29 01:34:22,298 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:34:22,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2020-07-29 01:34:22,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d806b16/bc45f632aa7f40838f01856c02c64c23/FLAGae15cf0bd [2020-07-29 01:34:22,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d806b16/bc45f632aa7f40838f01856c02c64c23 [2020-07-29 01:34:22,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:34:22,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:34:22,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:34:22,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:34:22,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:34:22,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:34:22" (1/1) ... [2020-07-29 01:34:22,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49008148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:22, skipping insertion in model container [2020-07-29 01:34:22,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:34:22" (1/1) ... [2020-07-29 01:34:22,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:34:22,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:34:23,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:34:23,079 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:34:23,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:34:23,221 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:34:23,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23 WrapperNode [2020-07-29 01:34:23,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:34:23,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:34:23,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:34:23,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:34:23,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:34:23,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:34:23,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:34:23,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:34:23,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (1/1) ... [2020-07-29 01:34:23,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:34:23,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:34:23,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:34:23,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:34:23,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (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 [2020-07-29 01:34:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:34:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:34:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:34:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:34:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:34:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:34:23,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:34:23,736 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:34:23,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:34:23 BoogieIcfgContainer [2020-07-29 01:34:23,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:34:23,740 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:34:23,740 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:34:23,744 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:34:23,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:34:23,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:34:22" (1/3) ... [2020-07-29 01:34:23,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d418602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:34:23, skipping insertion in model container [2020-07-29 01:34:23,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:34:23,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:34:23" (2/3) ... [2020-07-29 01:34:23,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d418602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:34:23, skipping insertion in model container [2020-07-29 01:34:23,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:34:23,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:34:23" (3/3) ... [2020-07-29 01:34:23,754 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.02-alloca.i [2020-07-29 01:34:23,799 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:34:23,800 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:34:23,800 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:34:23,800 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:34:23,801 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:34:23,801 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:34:23,801 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:34:23,801 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:34:23,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:34:23,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:34:23,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:34:23,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:34:23,842 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:34:23,843 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:34:23,843 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:34:23,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:34:23,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:34:23,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:34:23,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:34:23,846 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:34:23,847 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:34:23,855 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L555-3true [2020-07-29 01:34:23,856 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 5#L555-3true [2020-07-29 01:34:23,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:34:23,861 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 01:34:23,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:34:23,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110874210] [2020-07-29 01:34:23,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:34:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:34:23,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:34:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:34:24,020 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:34:24,043 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:34:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:34:24,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2020-07-29 01:34:24,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:34:24,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669380248] [2020-07-29 01:34:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:34:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:34:24,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:34:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:34:24,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:34:24,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:34:24,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:34:24,076 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-07-29 01:34:24,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:34:24,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943837375] [2020-07-29 01:34:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:34:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:34:24,122 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:34:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:34:24,158 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:34:24,165 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:34:24,734 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2020-07-29 01:34:24,914 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-29 01:34:24,932 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:34:24,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:34:24,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:34:24,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:34:24,934 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:34:24,935 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:34:24,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:34:24,935 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:34:24,935 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.02-alloca.i_Iteration1_Lasso [2020-07-29 01:34:24,936 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:34:24,936 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:34:24,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,434 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2020-07-29 01:34:25,611 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-07-29 01:34:25,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:25,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:34:26,568 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:34:26,575 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 [2020-07-29 01:34:26,581 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 [2020-07-29 01:34:26,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:34:26,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:34:26,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:34:26,591 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:34:26,630 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 [2020-07-29 01:34:26,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:34:26,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:34:26,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:34:26,637 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) [2020-07-29 01:34:26,675 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 [2020-07-29 01:34:26,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:34:26,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:34:26,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:34:26,680 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 [2020-07-29 01:34:26,710 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 [2020-07-29 01:34:26,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:34:26,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:34:26,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:34:26,720 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 [2020-07-29 01:34:26,747 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 [2020-07-29 01:34:26,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:34:26,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:34:26,758 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) [2020-07-29 01:34:26,795 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 [2020-07-29 01:34:26,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:34:26,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:34:26,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:34:26,803 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) [2020-07-29 01:34:26,841 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 [2020-07-29 01:34:26,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:34:26,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:34:26,851 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 [2020-07-29 01:34:26,888 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 [2020-07-29 01:34:26,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:34:26,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:34:26,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:34:26,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:34:26,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:34:26,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:34:26,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:34:27,085 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-07-29 01:34:27,085 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. 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 [2020-07-29 01:34:27,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:34:27,094 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-29 01:34:27,094 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:34:27,095 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~y, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*ULTIMATE.start_test_fun_~y + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [-1*ULTIMATE.start_test_fun_~y + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 >= 0] [2020-07-29 01:34:27,251 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2020-07-29 01:34:27,259 INFO L393 LassoCheck]: Loop: "call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);" "assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8;" [2020-07-29 01:34:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:34:27,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-29 01:34:27,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:34:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:34:27,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:34:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:34:27,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:34:27,348 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {19#unseeded} is VALID [2020-07-29 01:34:27,352 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#unseeded} havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12;test_fun_#in~x, test_fun_#in~y := main_#t~nondet10, main_#t~nondet11;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); {153#(and (>= (+ (* (- 1) ULTIMATE.start_test_fun_~y) (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)) 0) unseeded)} is VALID [2020-07-29 01:34:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:34:27,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 01:34:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:34:27,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:34:27,404 INFO L280 TraceCheckUtils]: 0: Hoare triple {154#(and (>= (+ (* (- 1) ULTIMATE.start_test_fun_~y) (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)) 0) (>= oldRank0 (+ (* (- 1) ULTIMATE.start_test_fun_~y) (select (select |#memory_int| ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset))))} call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); {165#(and (<= ULTIMATE.start_test_fun_~y (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)) (<= |ULTIMATE.start_test_fun_#t~mem5| (select (select |#memory_int| ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)) (<= (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset) |ULTIMATE.start_test_fun_#t~mem6|) (<= (select (select |#memory_int| ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset) (+ ULTIMATE.start_test_fun_~y oldRank0)))} is VALID [2020-07-29 01:34:27,407 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#(and (<= ULTIMATE.start_test_fun_~y (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)) (<= |ULTIMATE.start_test_fun_#t~mem5| (select (select |#memory_int| ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)) (<= (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset) |ULTIMATE.start_test_fun_#t~mem6|) (<= (select (select |#memory_int| ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset) (+ ULTIMATE.start_test_fun_~y oldRank0)))} assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem6;havoc test_fun_#t~mem5;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem8, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; {156#(and (>= (+ (* (- 1) ULTIMATE.start_test_fun_~y) (select (select |#memory_int| ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)) 0) (or (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_test_fun_~y) (select (select |#memory_int| ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset))) (>= oldRank0 0)) unseeded))} is VALID [2020-07-29 01:34:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:34:27,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:34:27,437 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:34:27,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,448 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 [2020-07-29 01:34:27,450 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2020-07-29 01:34:27,563 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 21 states and 23 transitions. Complement of second has 7 states. [2020-07-29 01:34:27,563 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 [2020-07-29 01:34:27,563 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:34:27,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:34:27,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:34:27,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:34:27,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:34:27,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:34:27,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:34:27,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:34:27,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:34:27,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2020-07-29 01:34:27,574 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:34:27,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:34:27,576 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states. [2020-07-29 01:34:27,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:34:27,578 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:34:27,578 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:34:27,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:34:27,580 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:34:27,581 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 21 states and 23 transitions. cyclomatic complexity: 3 [2020-07-29 01:34:27,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. cyclomatic complexity: 3 [2020-07-29 01:34:27,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:34:27,581 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:34:27,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:34:27,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:34:27,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:34:27,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 21 letters. Loop has 21 letters. [2020-07-29 01:34:27,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 21 letters. Loop has 21 letters. [2020-07-29 01:34:27,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 21 letters. Loop has 21 letters. [2020-07-29 01:34:27,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:34:27,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:34:27,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:34:27,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:34:27,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:34:27,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:34:27,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 01:34:27,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 01:34:27,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 3 letters. Loop has 2 letters. [2020-07-29 01:34:27,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:34:27,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:34:27,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:34:27,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:34:27,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:34:27,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 23 transitions. cyclomatic complexity: 3 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:34:27,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,594 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:34:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:34:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2020-07-29 01:34:27,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:34:27,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:34:27,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-29 01:34:27,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:34:27,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. cyclomatic complexity: 3 [2020-07-29 01:34:27,602 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:34:27,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2020-07-29 01:34:27,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:34:27,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:34:27,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:34:27,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:34:27,608 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:34:27,608 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:34:27,608 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:34:27,609 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:34:27,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:34:27,609 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:34:27,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:34:27,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:34:27 BoogieIcfgContainer [2020-07-29 01:34:27,617 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:34:27,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:34:27,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:34:27,618 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:34:27,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:34:23" (3/4) ... [2020-07-29 01:34:27,622 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:34:27,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:34:27,624 INFO L168 Benchmark]: Toolchain (without parser) took 5009.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 961.5 MB in the beginning and 938.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:34:27,625 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:34:27,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -93.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:34:27,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:34:27,628 INFO L168 Benchmark]: Boogie Preprocessor took 26.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:34:27,628 INFO L168 Benchmark]: RCFGBuilder took 442.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:34:27,629 INFO L168 Benchmark]: BuchiAutomizer took 3876.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 938.6 MB in the end (delta: 84.1 MB). Peak memory consumption was 181.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:34:27,630 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 1.2 GB. Free memory is still 938.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:34:27,634 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 604.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -93.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3876.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 938.6 MB in the end (delta: 84.1 MB). Peak memory consumption was 181.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.88 ms. Allocated memory is still 1.2 GB. Free memory is still 938.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 -1 * y + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp92 ukn58 mio100 lsp34 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms 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...