./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loops/terminator_03-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67505ab4d8c5a0470c6c2902a08f5f9b7fa098ac 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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 19:32:44,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:32:44,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:32:44,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:32:44,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:32:44,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:32:44,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:32:44,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:32:44,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:32:44,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:32:44,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:32:44,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:32:44,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:32:44,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:32:44,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:32:44,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:32:44,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:32:44,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:32:44,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:32:44,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:32:44,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:32:44,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:32:44,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:32:44,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:32:44,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:32:44,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:32:44,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:32:44,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:32:44,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:32:44,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:32:44,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:32:44,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:32:44,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:32:44,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:32:44,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:32:44,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:32:44,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:32:44,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:32:44,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:32:44,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:32:44,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:32:44,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:32:44,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:32:44,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:32:44,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:32:44,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:32:44,284 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:32:44,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:32:44,284 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:32:44,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:32:44,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:32:44,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:32:44,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:32:44,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:32:44,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:32:44,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:32:44,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:32:44,287 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:32:44,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67505ab4d8c5a0470c6c2902a08f5f9b7fa098ac [2021-07-06 19:32:44,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:32:44,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:32:44,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:32:44,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:32:44,523 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:32:44,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_03-2.i [2021-07-06 19:32:44,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb37b1c16/8353e9fb758841709bede859a0c86882/FLAG085548ff7 [2021-07-06 19:32:44,912 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:32:44,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2.i [2021-07-06 19:32:44,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb37b1c16/8353e9fb758841709bede859a0c86882/FLAG085548ff7 [2021-07-06 19:32:45,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb37b1c16/8353e9fb758841709bede859a0c86882 [2021-07-06 19:32:45,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:32:45,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:32:45,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:32:45,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:32:45,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:32:45,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df73468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45, skipping insertion in model container [2021-07-06 19:32:45,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:32:45,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:32:45,458 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2021-07-06 19:32:45,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:32:45,467 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:32:45,498 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2021-07-06 19:32:45,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:32:45,514 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:32:45,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45 WrapperNode [2021-07-06 19:32:45,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:32:45,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:32:45,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:32:45,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:32:45,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:32:45,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:32:45,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:32:45,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:32:45,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:32:45,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:32:45,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:32:45,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:32:45,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (1/1) ... [2021-07-06 19:32:45,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:45,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:45,559 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 19:32:45,588 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 19:32:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:32:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:32:45,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:32:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:32:45,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:32:45,747 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-06 19:32:45,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:45 BoogieIcfgContainer [2021-07-06 19:32:45,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:32:45,750 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:32:45,750 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:32:45,752 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:32:45,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:45,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:32:45" (1/3) ... [2021-07-06 19:32:45,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23c89bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:32:45, skipping insertion in model container [2021-07-06 19:32:45,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:45,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:32:45" (2/3) ... [2021-07-06 19:32:45,754 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23c89bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:32:45, skipping insertion in model container [2021-07-06 19:32:45,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:32:45,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:45" (3/3) ... [2021-07-06 19:32:45,755 INFO L389 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2021-07-06 19:32:45,827 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:32:45,827 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:32:45,828 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:32:45,828 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:32:45,828 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:32:45,828 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:32:45,828 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:32:45,828 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:32:45,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 19:32:45,858 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-07-06 19:32:45,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:32:45,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:32:45,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-07-06 19:32:45,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-07-06 19:32:45,865 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:32:45,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 19:32:45,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-07-06 19:32:45,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:32:45,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:32:45,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-07-06 19:32:45,868 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-07-06 19:32:45,872 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(18); 3#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_#t~nondet4;havoc main_#t~nondet4; 6#L28true assume !!(main_~y~0 <= 1000000); 11#L29true assume main_~y~0 > 0; 7#L30-2true [2021-07-06 19:32:45,872 INFO L793 eck$LassoCheckResult]: Loop: 7#L30-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 7#L30-2true [2021-07-06 19:32:45,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:45,879 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-07-06 19:32:45,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:45,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078273543] [2021-07-06 19:32:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:45,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:45,958 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:45,979 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:45,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:45,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:45,995 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-07-06 19:32:45,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:45,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834826088] [2021-07-06 19:32:45,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:45,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:46,003 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:46,006 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:46,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:46,012 INFO L82 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2021-07-06 19:32:46,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:32:46,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142535575] [2021-07-06 19:32:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:32:46,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:32:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:46,031 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:32:46,042 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:32:46,046 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:32:46,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:46,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 19:32:46,185 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2021-07-06 19:32:46,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:46,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-06 19:32:46,234 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:32:46,234 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:32:46,234 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:32:46,234 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:32:46,234 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:32:46,234 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,234 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:32:46,234 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:32:46,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2021-07-06 19:32:46,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:32:46,235 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:32:46,244 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 19:32:46,282 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 19:32:46,284 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 19:32:46,286 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 19:32:46,293 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 19:32:46,295 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 19:32:46,298 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 19:32:46,300 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 19:32:46,413 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:32:46,415 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:32:46,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,423 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 19:32:46,451 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 19:32:46,452 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 19:32:46,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:46,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:46,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:46,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:46,517 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 19:32:46,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,519 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 19:32:46,565 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 19:32:46,565 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 19:32:46,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:46,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:46,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:46,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:46,608 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 19:32:46,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,619 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 19:32:46,620 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 19:32:46,634 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 19:32:46,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:46,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:46,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:46,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:46,681 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 19:32:46,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,683 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 19:32:46,684 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 19:32:46,686 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 19:32:46,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:46,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:46,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:46,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:46,752 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 19:32:46,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,769 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 19:32:46,795 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 19:32:46,795 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 19:32:46,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:46,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:46,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:46,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:46,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:46,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,869 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 19:32:46,901 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 19:32:46,901 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 19:32:46,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:46,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:46,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:46,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:46,949 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 19:32:46,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:46,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:46,965 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 19:32:46,990 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 19:32:46,991 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 19:32:46,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:46,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:46,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:46,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:47,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:47,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:47,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:47,037 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 19:32:47,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:47,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:47,044 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 19:32:47,053 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 19:32:47,054 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 19:32:47,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:47,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:47,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:47,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:47,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:47,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:47,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:47,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-07-06 19:32:47,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:47,103 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 19:32:47,106 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 19:32:47,107 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 19:32:47,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:47,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:47,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:47,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:47,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:47,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:47,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:47,161 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 19:32:47,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:47,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:47,162 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 19:32:47,163 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 19:32:47,164 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 19:32:47,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:47,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:47,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:47,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:47,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:47,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:47,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:47,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:47,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-07-06 19:32:47,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:47,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:47,192 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 19:32:47,193 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 19:32:47,194 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 19:32:47,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:47,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:32:47,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:47,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:47,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:47,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:32:47,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:32:47,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:32:47,233 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 19:32:47,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:47,234 INFO L229 MonitoredProcess]: Starting monitored process 13 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 19:32:47,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-07-06 19:32:47,237 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 19:32:47,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:32:47,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:32:47,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:32:47,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:32:47,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:32:47,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:32:47,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:32:47,267 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-07-06 19:32:47,267 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-07-06 19:32:47,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:32:47,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:32:47,269 INFO L229 MonitoredProcess]: Starting monitored process 14 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 19:32:47,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-07-06 19:32:47,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:32:47,293 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-07-06 19:32:47,293 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:32:47,293 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2021-07-06 19:32:47,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:47,321 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-07-06 19:32:47,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:32:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:32:47,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-06 19:32:47,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:32:47,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:32:47,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:32:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:32:47,410 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-06 19:32:47,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:32:47,410 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 19:32:47,422 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-07-06 19:32:47,422 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 19:32:47,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-07-06 19:32:47,455 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 35 states and 42 transitions. Complement of second has 5 states. [2021-07-06 19:32:47,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 19:32:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 19:32:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2021-07-06 19:32:47,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2021-07-06 19:32:47,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:47,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2021-07-06 19:32:47,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:47,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2021-07-06 19:32:47,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:32:47,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2021-07-06 19:32:47,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:32:47,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-07-06 19:32:47,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:32:47,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:32:47,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:32:47,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:32:47,464 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:47,464 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:47,464 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:32:47,464 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:32:47,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:32:47,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:32:47,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:32:47,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:32:47 BoogieIcfgContainer [2021-07-06 19:32:47,468 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:32:47,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:32:47,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:32:47,469 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:32:47,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:32:45" (3/4) ... [2021-07-06 19:32:47,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:32:47,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:32:47,472 INFO L168 Benchmark]: Toolchain (without parser) took 2134.08 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 55.5 MB in the beginning and 58.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:47,472 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 48.2 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:47,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.69 ms. Allocated memory is still 71.3 MB. Free memory was 55.3 MB in the beginning and 54.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:47,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.47 ms. Allocated memory is still 71.3 MB. Free memory was 54.1 MB in the beginning and 52.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:47,473 INFO L168 Benchmark]: Boogie Preprocessor took 9.91 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 51.9 MB in the end (delta: 912.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:47,473 INFO L168 Benchmark]: RCFGBuilder took 205.34 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 41.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:32:47,474 INFO L168 Benchmark]: BuchiAutomizer took 1718.67 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 40.8 MB in the beginning and 58.7 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:47,474 INFO L168 Benchmark]: Witness Printer took 2.35 ms. Allocated memory is still 86.0 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:32:47,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 48.2 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 176.69 ms. Allocated memory is still 71.3 MB. Free memory was 55.3 MB in the beginning and 54.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 16.47 ms. Allocated memory is still 71.3 MB. Free memory was 54.1 MB in the beginning and 52.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 9.91 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 51.9 MB in the end (delta: 912.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 205.34 ms. Allocated memory is still 71.3 MB. Free memory was 51.9 MB in the beginning and 41.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1718.67 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 40.8 MB in the beginning and 58.7 MB in the end (delta: -17.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.35 ms. Allocated memory is still 86.0 MB. Free memory is still 58.1 MB. 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 199 + -2 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 18 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital93 mio100 ax100 hnf100 lsp75 ukn50 mio100 lsp45 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 69ms VariablesStem: 3 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 19:32:47,500 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...