./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/atol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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-dietlibc/atol.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 80ff54a4912af531f79cca5207b4c360e1baeaf50a022c04b6477033c5176da5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:25:23,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:25:23,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:25:23,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:25:23,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:25:23,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:25:23,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:25:23,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:25:23,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:25:23,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:25:23,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:25:23,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:25:23,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:25:23,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:25:23,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:25:23,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:25:23,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:25:23,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:25:23,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:25:23,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:25:23,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:25:23,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:25:23,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:25:23,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:25:23,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:25:23,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:25:23,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:25:23,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:25:23,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:25:23,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:25:23,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:25:23,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:25:23,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:25:23,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:25:23,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:25:23,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:25:23,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:25:23,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:25:23,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:25:23,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:25:23,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:25:23,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-16 09:25:23,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:25:23,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:25:23,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:25:23,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:25:23,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:25:23,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:25:23,239 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:25:23,240 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:25:23,240 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:25:23,240 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:25:23,241 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:25:23,241 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:25:23,241 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:25:23,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:25:23,242 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:25:23,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:25:23,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:25:23,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:25:23,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:25:23,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:25:23,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:25:23,243 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:25:23,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:25:23,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:25:23,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:25:23,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:25:23,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:25:23,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:25:23,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:25:23,245 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:25:23,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80ff54a4912af531f79cca5207b4c360e1baeaf50a022c04b6477033c5176da5 [2021-12-16 09:25:23,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:25:23,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:25:23,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:25:23,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:25:23,490 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:25:23,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/atol.i [2021-12-16 09:25:23,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903502916/f6b59015c61e4c23b44eed9cdbcb9907/FLAG0302424dc [2021-12-16 09:25:23,944 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:25:23,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/atol.i [2021-12-16 09:25:23,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903502916/f6b59015c61e4c23b44eed9cdbcb9907/FLAG0302424dc [2021-12-16 09:25:23,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903502916/f6b59015c61e4c23b44eed9cdbcb9907 [2021-12-16 09:25:23,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:25:23,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:25:23,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:25:23,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:25:23,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:25:23,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:25:23" (1/1) ... [2021-12-16 09:25:23,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a8a190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:23, skipping insertion in model container [2021-12-16 09:25:23,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:25:23" (1/1) ... [2021-12-16 09:25:23,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:25:24,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:25:24,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:25:24,301 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:25:24,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:25:24,353 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:25:24,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24 WrapperNode [2021-12-16 09:25:24,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:25:24,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:25:24,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:25:24,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:25:24,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,393 INFO L137 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2021-12-16 09:25:24,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:25:24,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:25:24,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:25:24,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:25:24,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:25:24,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:25:24,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:25:24,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:25:24,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (1/1) ... [2021-12-16 09:25:24,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:24,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:24,448 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) [2021-12-16 09:25:24,475 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 [2021-12-16 09:25:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 09:25:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 09:25:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 09:25:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 09:25:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:25:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:25:24,562 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:25:24,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:25:24,669 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:25:24,674 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:25:24,674 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-16 09:25:24,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:25:24 BoogieIcfgContainer [2021-12-16 09:25:24,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:25:24,677 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:25:24,677 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:25:24,679 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:25:24,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:25:24,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:25:23" (1/3) ... [2021-12-16 09:25:24,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e9b725e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:25:24, skipping insertion in model container [2021-12-16 09:25:24,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:25:24,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:25:24" (2/3) ... [2021-12-16 09:25:24,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e9b725e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:25:24, skipping insertion in model container [2021-12-16 09:25:24,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:25:24,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:25:24" (3/3) ... [2021-12-16 09:25:24,705 INFO L388 chiAutomizerObserver]: Analyzing ICFG atol.i [2021-12-16 09:25:24,785 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:25:24,785 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:25:24,785 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:25:24,786 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:25:24,786 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:25:24,786 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:25:24,786 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:25:24,786 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:25:24,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2021-12-16 09:25:24,816 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-16 09:25:24,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:25:24,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:25:24,821 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:25:24,821 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:25:24,822 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:25:24,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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) [2021-12-16 09:25:24,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-16 09:25:24,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:25:24,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:25:24,831 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:25:24,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:25:24,836 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 21#L522true assume !(main_~in_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 18#L524-3true [2021-12-16 09:25:24,837 INFO L793 eck$LassoCheckResult]: Loop: 18#L524-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 22#L524-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 18#L524-3true [2021-12-16 09:25:24,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-16 09:25:24,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:24,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93607573] [2021-12-16 09:25:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:24,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:24,937 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:24,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:24,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:24,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-12-16 09:25:24,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:24,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954759817] [2021-12-16 09:25:24,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:24,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:25,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:25,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:25,026 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-12-16 09:25:25,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:25,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392264111] [2021-12-16 09:25:25,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:25,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:25,054 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:25,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:25,342 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:25:25,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:25:25,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:25:25,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:25:25,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:25:25,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:25,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:25:25,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:25:25,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration1_Lasso [2021-12-16 09:25:25,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:25:25,345 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:25:25,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:25,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:25:25,650 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:25:25,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:25,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:25,653 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) [2021-12-16 09:25:25,660 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 [2021-12-16 09:25:25,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:25,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:25:25,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:25,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:25,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:25,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:25:25,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:25:25,673 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 [2021-12-16 09:25:25,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:25,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:25:25,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:25,708 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) [2021-12-16 09:25:25,709 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 [2021-12-16 09:25:25,716 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 [2021-12-16 09:25:25,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:25,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:25,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:25,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:25,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:25,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:25,750 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:25:25,767 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-16 09:25:25,767 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-16 09:25:25,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:25,770 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) [2021-12-16 09:25:25,775 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 [2021-12-16 09:25:25,803 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:25:25,814 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:25:25,814 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:25:25,815 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2021-12-16 09:25:25,831 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 [2021-12-16 09:25:25,837 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-16 09:25:25,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:25:25,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:25:25,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:25:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:25:25,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 09:25:25,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:25:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:25:25,974 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 [2021-12-16 09:25:25,975 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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 1.6666666666666667) internal successors, (5), 3 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) [2021-12-16 09:25:26,025 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 states have internal predecessors, (32), 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 1.6666666666666667) internal successors, (5), 3 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 61 states and 87 transitions. Complement of second has 7 states. [2021-12-16 09:25:26,026 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 [2021-12-16 09:25:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2021-12-16 09:25:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2021-12-16 09:25:26,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 58 transitions. Stem has 3 letters. Loop has 2 letters. [2021-12-16 09:25:26,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:25:26,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 58 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-16 09:25:26,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:25:26,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 58 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-16 09:25:26,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:25:26,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 87 transitions. [2021-12-16 09:25:26,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-16 09:25:26,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 17 states and 23 transitions. [2021-12-16 09:25:26,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-16 09:25:26,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-16 09:25:26,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-12-16 09:25:26,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:25:26,043 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-16 09:25:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-12-16 09:25:26,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-16 09:25:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-12-16 09:25:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-12-16 09:25:26,064 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-16 09:25:26,064 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-16 09:25:26,064 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:25:26,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-12-16 09:25:26,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-16 09:25:26,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:25:26,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:25:26,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-16 09:25:26,066 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:25:26,066 INFO L791 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 145#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 150#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 151#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atol } true;atol_#in~s#1.base, atol_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atol_#res#1;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset, atol_#t~mem2#1, atol_#t~mem4#1, atol_#t~switch5#1, atol_#t~pre6#1.base, atol_#t~pre6#1.offset, atol_#t~mem10#1, atol_#t~pre11#1.base, atol_#t~pre11#1.offset, atol_#t~mem7#1, atol_#t~mem8#1, atol_#t~short9#1, atol_#t~ite12#1, atol_~s#1.base, atol_~s#1.offset, atol_~v~0#1, atol_~sign~0#1;atol_~s#1.base, atol_~s#1.offset := atol_#in~s#1.base, atol_#in~s#1.offset;atol_~v~0#1 := 0;atol_~sign~0#1 := 0; 148#L510-3 [2021-12-16 09:25:26,066 INFO L793 eck$LassoCheckResult]: Loop: 148#L510-3 call atol_#t~mem2#1 := read~int(atol_~s#1.base, atol_~s#1.offset, 1); 149#L510-1 assume !!(32 == atol_#t~mem2#1);havoc atol_#t~mem2#1;atol_#t~pre3#1.base, atol_#t~pre3#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;atol_~s#1.base, atol_~s#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset; 148#L510-3 [2021-12-16 09:25:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:26,067 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2021-12-16 09:25:26,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:26,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877171748] [2021-12-16 09:25:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:26,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:26,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:26,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2021-12-16 09:25:26,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:26,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485168254] [2021-12-16 09:25:26,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:26,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,094 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,098 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:26,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:26,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941585, now seen corresponding path program 1 times [2021-12-16 09:25:26,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:26,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699222509] [2021-12-16 09:25:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:26,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:25:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:25:26,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:25:26,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699222509] [2021-12-16 09:25:26,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699222509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:25:26,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:25:26,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 09:25:26,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080875854] [2021-12-16 09:25:26,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:25:26,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:25:26,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 09:25:26,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 09:25:26,268 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-12-16 09:25:26,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:25:26,344 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-12-16 09:25:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 09:25:26,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2021-12-16 09:25:26,392 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-12-16 09:25:26,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2021-12-16 09:25:26,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-16 09:25:26,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-16 09:25:26,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2021-12-16 09:25:26,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:25:26,394 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-12-16 09:25:26,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2021-12-16 09:25:26,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 20. [2021-12-16 09:25:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-12-16 09:25:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-16 09:25:26,398 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-16 09:25:26,398 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-16 09:25:26,398 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:25:26,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-16 09:25:26,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-16 09:25:26,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:25:26,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:25:26,400 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:25:26,400 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 09:25:26,401 INFO L791 eck$LassoCheckResult]: Stem: 202#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~ret17#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 210#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 216#L524-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet16#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 218#L524-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 219#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 220#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atol } true;atol_#in~s#1.base, atol_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atol_#res#1;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset, atol_#t~mem2#1, atol_#t~mem4#1, atol_#t~switch5#1, atol_#t~pre6#1.base, atol_#t~pre6#1.offset, atol_#t~mem10#1, atol_#t~pre11#1.base, atol_#t~pre11#1.offset, atol_#t~mem7#1, atol_#t~mem8#1, atol_#t~short9#1, atol_#t~ite12#1, atol_~s#1.base, atol_~s#1.offset, atol_~v~0#1, atol_~sign~0#1;atol_~s#1.base, atol_~s#1.offset := atol_#in~s#1.base, atol_#in~s#1.offset;atol_~v~0#1 := 0;atol_~sign~0#1 := 0; 213#L510-3 [2021-12-16 09:25:26,401 INFO L793 eck$LassoCheckResult]: Loop: 213#L510-3 call atol_#t~mem2#1 := read~int(atol_~s#1.base, atol_~s#1.offset, 1); 214#L510-1 assume !!(32 == atol_#t~mem2#1);havoc atol_#t~mem2#1;atol_#t~pre3#1.base, atol_#t~pre3#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;atol_~s#1.base, atol_~s#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset; 213#L510-3 [2021-12-16 09:25:26,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:26,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2021-12-16 09:25:26,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:26,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593382874] [2021-12-16 09:25:26,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:26,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:26,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-16 09:25:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,434 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:26,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:26,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2021-12-16 09:25:26,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:26,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942950190] [2021-12-16 09:25:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:26,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,464 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:26,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2021-12-16 09:25:26,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:25:26,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702505610] [2021-12-16 09:25:26,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:25:26,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:25:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:25:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:25:26,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:25:26,812 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:25:26,812 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:25:26,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:25:26,813 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:25:26,813 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:25:26,813 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:26,813 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:25:26,813 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:25:26,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration3_Lasso [2021-12-16 09:25:26,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:25:26,813 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:25:26,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:26,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:25:27,286 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:25:27,286 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:25:27,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,288 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) [2021-12-16 09:25:27,289 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 [2021-12-16 09:25:27,340 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 [2021-12-16 09:25:27,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:25:27,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:25:27,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:25:27,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-16 09:25:27,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,365 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) [2021-12-16 09:25:27,365 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 [2021-12-16 09:25:27,366 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 [2021-12-16 09:25:27,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:25:27,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:25:27,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:25:27,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,400 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 [2021-12-16 09:25:27,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,401 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) [2021-12-16 09:25:27,401 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 [2021-12-16 09:25:27,403 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 [2021-12-16 09:25:27,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:25:27,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:25:27,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:25:27,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,452 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 [2021-12-16 09:25:27,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,453 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) [2021-12-16 09:25:27,455 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 [2021-12-16 09:25:27,456 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 [2021-12-16 09:25:27,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,485 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 [2021-12-16 09:25:27,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,486 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) [2021-12-16 09:25:27,487 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 [2021-12-16 09:25:27,488 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 [2021-12-16 09:25:27,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,545 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 [2021-12-16 09:25:27,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,547 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) [2021-12-16 09:25:27,551 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 [2021-12-16 09:25:27,551 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 [2021-12-16 09:25:27,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:25:27,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:25:27,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:25:27,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,597 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 [2021-12-16 09:25:27,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,598 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) [2021-12-16 09:25:27,599 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 [2021-12-16 09:25:27,601 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 [2021-12-16 09:25:27,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:25:27,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:25:27,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:25:27,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,624 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 [2021-12-16 09:25:27,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,625 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) [2021-12-16 09:25:27,626 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 [2021-12-16 09:25:27,627 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 [2021-12-16 09:25:27,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,667 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 [2021-12-16 09:25:27,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,669 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) [2021-12-16 09:25:27,673 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 [2021-12-16 09:25:27,674 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 [2021-12-16 09:25:27,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,714 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 [2021-12-16 09:25:27,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,715 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) [2021-12-16 09:25:27,716 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 [2021-12-16 09:25:27,718 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 [2021-12-16 09:25:27,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-16 09:25:27,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,770 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-12-16 09:25:27,778 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 [2021-12-16 09:25:27,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-16 09:25:27,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-16 09:25:27,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,819 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-12-16 09:25:27,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-16 09:25:27,821 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 [2021-12-16 09:25:27,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:25:27,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-16 09:25:27,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,851 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-12-16 09:25:27,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-16 09:25:27,856 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 [2021-12-16 09:25:27,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:25:27,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:25:27,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:25:27,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:25:27,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:25:27,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:25:27,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:25:27,897 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-16 09:25:27,897 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-16 09:25:27,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:25:27,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:25:27,898 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-12-16 09:25:27,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 09:25:27,907 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:25:27,913 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:25:27,914 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:25:27,914 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2, ULTIMATE.start_atol_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 - 1*ULTIMATE.start_atol_~s#1.offset Supporting invariants [] [2021-12-16 09:25:27,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-16 09:25:27,943 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-12-16 09:25:27,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:25:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:25:27,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 09:25:27,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:25:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:25:28,022 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 09:25:28,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:25:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:25:28,043 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-16 09:25:28,044 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-12-16 09:25:28,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-16 09:25:28,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 36 states and 49 transitions. Complement of second has 7 states. [2021-12-16 09:25:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 09:25:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-12-16 09:25:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-12-16 09:25:28,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-16 09:25:28,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:25:28,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-16 09:25:28,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:25:28,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-16 09:25:28,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:25:28,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2021-12-16 09:25:28,117 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:25:28,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2021-12-16 09:25:28,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 09:25:28,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 09:25:28,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 09:25:28,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:25:28,118 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:25:28,118 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:25:28,118 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:25:28,118 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 09:25:28,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 09:25:28,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:25:28,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 09:25:28,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:25:28 BoogieIcfgContainer [2021-12-16 09:25:28,123 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:25:28,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:25:28,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:25:28,124 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:25:28,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:25:24" (3/4) ... [2021-12-16 09:25:28,127 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 09:25:28,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:25:28,128 INFO L158 Benchmark]: Toolchain (without parser) took 4154.11ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 65.5MB in the beginning and 77.3MB in the end (delta: -11.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-12-16 09:25:28,128 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:25:28,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.20ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 59.1MB in the end (delta: 6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 09:25:28,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.92ms. Allocated memory is still 88.1MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:25:28,130 INFO L158 Benchmark]: Boogie Preprocessor took 21.26ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 55.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:25:28,130 INFO L158 Benchmark]: RCFGBuilder took 259.65ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 44.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 09:25:28,131 INFO L158 Benchmark]: BuchiAutomizer took 3446.98ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.7MB in the beginning and 77.3MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:25:28,131 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 107.0MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:25:28,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.20ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 59.1MB in the end (delta: 6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.92ms. Allocated memory is still 88.1MB. Free memory was 59.1MB in the beginning and 57.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.26ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 55.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 259.65ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 44.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3446.98ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.7MB in the beginning and 77.3MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 107.0MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + in_len and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 54 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf99 lsp91 ukn90 mio100 lsp53 div100 bol100 ite100 ukn100 eq176 hnf89 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 107ms VariablesStem: 6 VariablesLoop: 6 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! [2021-12-16 09:25:28,166 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE