./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-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 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 18:34:21,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 18:34:21,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 18:34:21,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 18:34:21,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 18:34:21,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 18:34:21,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 18:34:21,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 18:34:21,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 18:34:21,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 18:34:21,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 18:34:21,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 18:34:21,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 18:34:21,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 18:34:21,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 18:34:21,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 18:34:21,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 18:34:21,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 18:34:21,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 18:34:21,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 18:34:21,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 18:34:21,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 18:34:21,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 18:34:21,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 18:34:21,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 18:34:21,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 18:34:21,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 18:34:21,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 18:34:21,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 18:34:21,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 18:34:21,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 18:34:21,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 18:34:21,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 18:34:21,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 18:34:21,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 18:34:21,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 18:34:21,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 18:34:21,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 18:34:21,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 18:34:21,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 18:34:21,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 18:34:21,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-07-06 18:34:21,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 18:34:21,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 18:34:21,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 18:34:21,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 18:34:21,268 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 18:34:21,268 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 18:34:21,268 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 18:34:21,268 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 18:34:21,268 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 18:34:21,268 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 18:34:21,269 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 18:34:21,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 18:34:21,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 18:34:21,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 18:34:21,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 18:34:21,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 18:34:21,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 18:34:21,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 18:34:21,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 18:34:21,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 18:34:21,272 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 18:34:21,272 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422e0eaf2d7a917ba2bde807c111198f2d7aea19 [2021-07-06 18:34:21,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 18:34:21,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 18:34:21,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 18:34:21,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 18:34:21,554 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 18:34:21,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2021-07-06 18:34:21,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56d23dc5/7dbdaa0d7d0145d782e24d76626362d2/FLAGa9fbdfc53 [2021-07-06 18:34:21,974 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 18:34:21,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.02-alloca.i [2021-07-06 18:34:21,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56d23dc5/7dbdaa0d7d0145d782e24d76626362d2/FLAGa9fbdfc53 [2021-07-06 18:34:22,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56d23dc5/7dbdaa0d7d0145d782e24d76626362d2 [2021-07-06 18:34:22,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 18:34:22,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 18:34:22,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 18:34:22,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 18:34:22,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 18:34:22,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710fdf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22, skipping insertion in model container [2021-07-06 18:34:22,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 18:34:22,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 18:34:22,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 18:34:22,556 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 18:34:22,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 18:34:22,644 INFO L208 MainTranslator]: Completed translation [2021-07-06 18:34:22,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22 WrapperNode [2021-07-06 18:34:22,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 18:34:22,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 18:34:22,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 18:34:22,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 18:34:22,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 18:34:22,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 18:34:22,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 18:34:22,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 18:34:22,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 18:34:22,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 18:34:22,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 18:34:22,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 18:34:22,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (1/1) ... [2021-07-06 18:34:22,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:22,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:22,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:22,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 18:34:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 18:34:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 18:34:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 18:34:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 18:34:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 18:34:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 18:34:23,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 18:34:23,010 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-06 18:34:23,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:34:23 BoogieIcfgContainer [2021-07-06 18:34:23,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 18:34:23,012 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 18:34:23,012 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 18:34:23,014 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 18:34:23,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:34:23,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 06:34:22" (1/3) ... [2021-07-06 18:34:23,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b3100fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 06:34:23, skipping insertion in model container [2021-07-06 18:34:23,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:34:23,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:34:22" (2/3) ... [2021-07-06 18:34:23,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b3100fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 06:34:23, skipping insertion in model container [2021-07-06 18:34:23,016 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:34:23,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:34:23" (3/3) ... [2021-07-06 18:34:23,017 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.02-alloca.i [2021-07-06 18:34:23,042 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 18:34:23,042 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 18:34:23,042 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 18:34:23,042 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 18:34:23,043 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 18:34:23,043 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 18:34:23,043 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 18:34:23,043 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 18:34:23,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:34:23,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 18:34:23,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:34:23,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:34:23,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 18:34:23,065 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 18:34:23,065 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 18:34:23,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:34:23,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-07-06 18:34:23,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:34:23,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:34:23,066 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 18:34:23,067 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-07-06 18:34:23,070 INFO L791 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 [2021-07-06 18:34:23,071 INFO L793 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~mem5;havoc test_fun_#t~mem6;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 [2021-07-06 18:34:23,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:34:23,074 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-07-06 18:34:23,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:34:23,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232506817] [2021-07-06 18:34:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:34:23,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:34:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:34:23,178 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:34:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:34:23,199 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:34:23,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:34:23,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:34:23,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-07-06 18:34:23,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:34:23,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590661708] [2021-07-06 18:34:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:34:23,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:34:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:34:23,222 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:34:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:34:23,227 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:34:23,229 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:34:23,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:34:23,239 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-07-06 18:34:23,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:34:23,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226755073] [2021-07-06 18:34:23,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:34:23,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:34:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:34:23,270 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:34:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:34:23,302 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:34:23,308 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:34:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:23,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-06 18:34:23,633 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2021-07-06 18:34:23,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:23,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-07-06 18:34:23,740 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 18:34:23,740 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 18:34:23,740 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 18:34:23,740 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 18:34:23,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 18:34:23,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:23,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 18:34:23,741 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 18:34:23,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.02-alloca.i_Iteration1_Lasso [2021-07-06 18:34:23,741 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 18:34:23,741 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 18:34:23,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:23,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:24,012 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-07-06 18:34:24,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:24,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:24,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:24,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:34:24,467 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 18:34:24,469 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 18:34:24,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-07-06 18:34:24,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:34:24,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:34:24,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:34:24,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-07-06 18:34:24,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-07-06 18:34:24,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:34:24,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:34:24,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:34:24,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-07-06 18:34:24,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:34:24,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:34:24,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:34:24,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-07-06 18:34:24,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:34:24,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:34:24,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:34:24,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-07-06 18:34:24,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:34:24,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:34:24,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-07-06 18:34:24,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-07-06 18:34:24,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:34:24,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:34:24,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:34:24,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:34:24,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:34:24,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-07-06 18:34:24,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,717 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-07-06 18:34:24,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:34:24,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:34:24,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,760 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-07-06 18:34:24,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:34:24,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:34:24,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:34:24,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:34:24,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:24,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,790 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-07-06 18:34:24,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:34:24,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:34:24,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:34:24,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:34:24,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:34:24,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:34:24,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:34:24,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 18:34:24,843 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-07-06 18:34:24,843 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-07-06 18:34:24,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:34:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:34:24,861 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:34:24,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-07-06 18:34:24,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 18:34:24,926 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-07-06 18:34:24,926 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 18:34:24,926 INFO L515 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] [2021-07-06 18:34:24,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:25,007 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2021-07-06 18:34:25,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-07-06 18:34:25,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:34:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:34:25,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-06 18:34:25,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:34:25,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:34:25,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:34:25,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:34:25,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:34:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:34:25,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-06 18:34:25,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:34:25,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-06 18:34:25,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-06 18:34:25,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-06 18:34:25,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:34:25,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-06 18:34:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:34:25,127 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 [2021-07-06 18:34:25,128 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:34:25,176 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 23 transitions. Complement of second has 7 states. [2021-07-06 18:34:25,177 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 [2021-07-06 18:34:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:34:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-07-06 18:34:25,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2021-07-06 18:34:25,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:34:25,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2021-07-06 18:34:25,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:34:25,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2021-07-06 18:34:25,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:34:25,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2021-07-06 18:34:25,183 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 18:34:25,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-07-06 18:34:25,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 18:34:25,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 18:34:25,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 18:34:25,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 18:34:25,186 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:34:25,186 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:34:25,186 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:34:25,186 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 18:34:25,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 18:34:25,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 18:34:25,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 18:34:25,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 06:34:25 BoogieIcfgContainer [2021-07-06 18:34:25,190 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 18:34:25,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 18:34:25,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 18:34:25,190 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 18:34:25,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:34:23" (3/4) ... [2021-07-06 18:34:25,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 18:34:25,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 18:34:25,193 INFO L168 Benchmark]: Toolchain (without parser) took 2856.94 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 36.2 MB in the beginning and 42.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-07-06 18:34:25,194 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:34:25,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.37 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 33.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 18:34:25,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.28 ms. Allocated memory is still 58.7 MB. Free memory was 32.8 MB in the beginning and 31.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 18:34:25,198 INFO L168 Benchmark]: Boogie Preprocessor took 33.28 ms. Allocated memory is still 58.7 MB. Free memory was 31.1 MB in the beginning and 30.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:34:25,198 INFO L168 Benchmark]: RCFGBuilder took 293.66 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 30.0 MB in the beginning and 48.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-07-06 18:34:25,199 INFO L168 Benchmark]: BuchiAutomizer took 2178.07 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.2 MB in the beginning and 43.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-07-06 18:34:25,201 INFO L168 Benchmark]: Witness Printer took 2.20 ms. Allocated memory is still 88.1 MB. Free memory was 43.6 MB in the beginning and 42.9 MB in the end (delta: 643.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:34:25,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.37 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 33.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.28 ms. Allocated memory is still 58.7 MB. Free memory was 32.8 MB in the beginning and 31.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.28 ms. Allocated memory is still 58.7 MB. Free memory was 31.1 MB in the beginning and 30.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 293.66 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 30.0 MB in the beginning and 48.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2178.07 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.2 MB in the beginning and 43.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Witness Printer took 2.20 ms. Allocated memory is still 88.1 MB. Free memory was 43.6 MB in the beginning and 42.9 MB in the end (delta: 643.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * y + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp92 ukn55 mio100 lsp35 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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! [2021-07-06 18:34:25,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...