./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a51e7d7d3160b4418bb04f01bccc7314d2964c0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:39:59,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:39:59,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:39:59,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:39:59,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:39:59,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:39:59,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:39:59,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:39:59,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:39:59,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:39:59,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:39:59,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:39:59,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:39:59,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:39:59,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:39:59,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:39:59,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:39:59,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:39:59,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:39:59,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:39:59,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:39:59,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:39:59,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:39:59,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:39:59,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:39:59,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:39:59,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:39:59,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:39:59,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:39:59,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:39:59,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:39:59,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:39:59,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:39:59,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:39:59,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:39:59,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:39:59,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:39:59,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:39:59,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:39:59,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:39:59,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:39:59,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:39:59,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:39:59,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:39:59,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:39:59,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:39:59,177 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:39:59,177 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:39:59,177 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:39:59,177 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:39:59,178 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:39:59,178 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:39:59,178 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:39:59,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:39:59,178 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:39:59,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:39:59,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:39:59,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:39:59,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:39:59,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:39:59,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:39:59,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:39:59,180 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:39:59,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:39:59,180 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:39:59,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:39:59,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:39:59,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:39:59,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:39:59,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:39:59,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:39:59,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:39:59,183 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:39:59,183 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a51e7d7d3160b4418bb04f01bccc7314d2964c0 [2021-07-06 19:39:59,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:39:59,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:39:59,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:39:59,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:39:59,515 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:39:59,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2021-07-06 19:39:59,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851a8073d/777769c5ad3f4bc19274c7808eab4fa8/FLAG5aef36a18 [2021-07-06 19:39:59,933 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:39:59,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2021-07-06 19:39:59,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851a8073d/777769c5ad3f4bc19274c7808eab4fa8/FLAG5aef36a18 [2021-07-06 19:40:00,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851a8073d/777769c5ad3f4bc19274c7808eab4fa8 [2021-07-06 19:40:00,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:40:00,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:40:00,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:40:00,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:40:00,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:40:00,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca06021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00, skipping insertion in model container [2021-07-06 19:40:00,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:40:00,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:40:00,504 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2021-07-06 19:40:00,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:40:00,520 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:40:00,534 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2021-07-06 19:40:00,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:40:00,564 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:40:00,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00 WrapperNode [2021-07-06 19:40:00,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:40:00,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:40:00,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:40:00,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:40:00,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:40:00,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:40:00,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:40:00,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:40:00,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:40:00,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:40:00,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:40:00,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:40:00,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (1/1) ... [2021-07-06 19:40:00,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:00,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:00,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:00,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 19:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:40:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:40:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:40:01,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:40:01,030 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-07-06 19:40:01,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:40:01 BoogieIcfgContainer [2021-07-06 19:40:01,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:40:01,032 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:40:01,033 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:40:01,035 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:40:01,036 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:40:01,036 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:40:00" (1/3) ... [2021-07-06 19:40:01,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3293d7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:40:01, skipping insertion in model container [2021-07-06 19:40:01,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:40:01,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:40:00" (2/3) ... [2021-07-06 19:40:01,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3293d7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:40:01, skipping insertion in model container [2021-07-06 19:40:01,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:40:01,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:40:01" (3/3) ... [2021-07-06 19:40:01,047 INFO L389 chiAutomizerObserver]: Analyzing ICFG sendmail-close-angle.i [2021-07-06 19:40:01,082 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:40:01,082 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:40:01,082 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:40:01,082 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:40:01,082 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:40:01,083 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:40:01,083 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:40:01,083 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:40:01,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:40:01,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-07-06 19:40:01,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:40:01,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:40:01,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 19:40:01,116 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 19:40:01,116 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:40:01,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:40:01,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-07-06 19:40:01,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:40:01,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:40:01,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 19:40:01,119 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 19:40:01,125 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 10#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~post6, main_#t~post7, main_#t~nondet5, main_#t~post8, main_#t~post9, main_~in~0, main_~inlen~0, main_~bufferlen~0, main_~buf~0, main_~buflim~0;havoc main_~in~0;main_~inlen~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~bufferlen~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~buf~0;havoc main_~buflim~0; 26#L31true assume main_~bufferlen~0 > 1; 8#L31-1true assume main_~inlen~0 > 0; 12#L32true assume main_~bufferlen~0 < main_~inlen~0; 30#L33true main_~buf~0 := 0;main_~in~0 := 0;main_~buflim~0 := main_~bufferlen~0 - 2; 21#L18-11true [2021-07-06 19:40:01,126 INFO L793 eck$LassoCheckResult]: Loop: 21#L18-11true assume !!(0 != main_#t~nondet5);havoc main_#t~nondet5; 22#L39true assume !(main_~buf~0 == main_~buflim~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~buf~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L18true assume !(0 == __VERIFIER_assert_~cond); 4#L18-2true __VERIFIER_assert_#in~cond := (if main_~buf~0 < main_~bufferlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L18-3true assume !(0 == __VERIFIER_assert_~cond); 15#L18-5true main_#t~post6 := main_~buf~0;main_~buf~0 := 1 + main_#t~post6;havoc main_#t~post6; 32#L44true main_#t~post7 := main_~in~0;main_~in~0 := 1 + main_#t~post7;havoc main_#t~post7;__VERIFIER_assert_#in~cond := (if 0 <= main_~in~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 13#L18-6true assume !(0 == __VERIFIER_assert_~cond); 11#L18-8true __VERIFIER_assert_#in~cond := (if main_~in~0 < main_~inlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 25#L18-9true assume !(0 == __VERIFIER_assert_~cond); 21#L18-11true [2021-07-06 19:40:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:01,130 INFO L82 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times [2021-07-06 19:40:01,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:40:01,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828218454] [2021-07-06 19:40:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:40:01,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:40:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:01,220 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:01,233 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:01,248 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:40:01,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:01,250 INFO L82 PathProgramCache]: Analyzing trace with hash 774035290, now seen corresponding path program 1 times [2021-07-06 19:40:01,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:40:01,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232702210] [2021-07-06 19:40:01,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:40:01,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:40:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:01,276 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:01,303 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:01,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:40:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2339814, now seen corresponding path program 1 times [2021-07-06 19:40:01,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:40:01,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058484603] [2021-07-06 19:40:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:40:01,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:40:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:01,328 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:40:01,346 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:40:01,351 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:40:01,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:01,453 INFO L428 QuantifierPusher]: Applying distributivity to a ∧-2-2-2-1 term [2021-07-06 19:40:01,454 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-06 19:40:01,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 19:40:01,457 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:01,461 INFO L428 QuantifierPusher]: Applying distributivity to a ∧-2-2-2-1 term [2021-07-06 19:40:01,461 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-06 19:40:01,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 19:40:01,463 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:01,466 INFO L428 QuantifierPusher]: Applying distributivity to a ∧-2-2-2-1 term [2021-07-06 19:40:01,466 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-06 19:40:01,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 19:40:01,468 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-06 19:40:01,528 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:40:01,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:40:01,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:40:01,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:40:01,529 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-07-06 19:40:01,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:01,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:40:01,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:40:01,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: sendmail-close-angle.i_Iteration1_Loop [2021-07-06 19:40:01,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:40:01,529 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:40:01,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:01,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:01,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:01,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:01,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:01,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:01,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:40:01,775 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-07-06 19:40:01,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:01,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:01,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:01,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-07-06 19:40:01,781 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:40:01,781 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:01,814 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-07-06 19:40:01,814 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-07-06 19:40:01,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-07-06 19:40:01,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:01,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:01,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:01,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-07-06 19:40:01,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-07-06 19:40:01,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:01,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-07-06 19:40:01,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:01,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:01,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:01,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-07-06 19:40:01,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-07-06 19:40:01,886 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-07-06 19:40:02,029 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-07-06 19:40:02,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-07-06 19:40:02,033 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:40:02,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:40:02,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:40:02,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:40:02,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:40:02,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:02,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:40:02,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:40:02,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: sendmail-close-angle.i_Iteration1_Loop [2021-07-06 19:40:02,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:40:02,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:40:02,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:02,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:02,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:02,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:02,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:02,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:40:02,203 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:40:02,207 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:40:02,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:02,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:02,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:02,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-07-06 19:40:02,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:40:02,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:40:02,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:40:02,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:40:02,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:40:02,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:40:02,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:40:02,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:40:02,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:40:02,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-07-06 19:40:02,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:02,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:02,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:02,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-07-06 19:40:02,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:40:02,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:40:02,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:40:02,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:40:02,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:40:02,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:40:02,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:40:02,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:40:02,285 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:40:02,289 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-07-06 19:40:02,289 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-07-06 19:40:02,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:40:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:40:02,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 19:40:02,303 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:40:02,304 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-07-06 19:40:02,304 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:40:02,304 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~in~0, ULTIMATE.start_main_~inlen~0) = -1*ULTIMATE.start_main_~in~0 + 1*ULTIMATE.start_main_~inlen~0 Supporting invariants [] [2021-07-06 19:40:02,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-07-06 19:40:02,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-07-06 19:40:02,330 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-07-06 19:40:02,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:40:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:40:02,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-06 19:40:02,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:40:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:40:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:40:02,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 19:40:02,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:40:02,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-07-06 19:40:02,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 19:40:02,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:40:02,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 19:40:02,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 19:40:02,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 19:40:02,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-06 19:40:02,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 19:40:02,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:40:02,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-06 19:40:02,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-06 19:40:02,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:40:02,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-06 19:40:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:40:02,562 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-07-06 19:40:02,564 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:40:02,659 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 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 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 131 transitions. Complement of second has 9 states. [2021-07-06 19:40:02,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-07-06 19:40:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 19:40:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2021-07-06 19:40:02,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 94 transitions. Stem has 6 letters. Loop has 10 letters. [2021-07-06 19:40:02,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:40:02,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 94 transitions. Stem has 16 letters. Loop has 10 letters. [2021-07-06 19:40:02,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:40:02,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 94 transitions. Stem has 6 letters. Loop has 20 letters. [2021-07-06 19:40:02,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:40:02,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 131 transitions. [2021-07-06 19:40:02,669 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:40:02,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 0 states and 0 transitions. [2021-07-06 19:40:02,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:40:02,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:40:02,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:40:02,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:40:02,672 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:40:02,672 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:40:02,672 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:40:02,672 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:40:02,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:40:02,672 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:40:02,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:40:02,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:40:02 BoogieIcfgContainer [2021-07-06 19:40:02,677 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:40:02,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:40:02,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:40:02,678 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:40:02,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:40:01" (3/4) ... [2021-07-06 19:40:02,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:40:02,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:40:02,681 INFO L168 Benchmark]: Toolchain (without parser) took 2320.87 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 62.4 MB in the beginning and 62.2 MB in the end (delta: 267.2 kB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:02,681 INFO L168 Benchmark]: CDTParser took 1.57 ms. Allocated memory is still 77.6 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:40:02,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.80 ms. Allocated memory is still 77.6 MB. Free memory was 62.2 MB in the beginning and 52.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:02,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.82 ms. Allocated memory is still 77.6 MB. Free memory was 52.5 MB in the beginning and 62.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:02,682 INFO L168 Benchmark]: Boogie Preprocessor took 27.41 ms. Allocated memory is still 77.6 MB. Free memory was 62.1 MB in the beginning and 61.2 MB in the end (delta: 998.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:40:02,683 INFO L168 Benchmark]: RCFGBuilder took 379.69 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 45.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:02,683 INFO L168 Benchmark]: BuchiAutomizer took 1644.53 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 45.4 MB in the beginning and 63.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-07-06 19:40:02,683 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 104.9 MB. Free memory is still 62.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:40:02,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57 ms. Allocated memory is still 77.6 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 204.80 ms. Allocated memory is still 77.6 MB. Free memory was 62.2 MB in the beginning and 52.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.82 ms. Allocated memory is still 77.6 MB. Free memory was 52.5 MB in the beginning and 62.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.41 ms. Allocated memory is still 77.6 MB. Free memory was 62.1 MB in the beginning and 61.2 MB in the end (delta: 998.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 379.69 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 45.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1644.53 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 45.4 MB in the beginning and 63.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 2.78 ms. Allocated memory is still 104.9 MB. Free memory is still 62.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * in + inlen and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 40 SDtfs, 44 SDslu, 62 SDs, 0 SdLazy, 28 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp100 dnf169 smp100 tf104 neg95 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:40:02,717 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...