./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer --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 87d0ba70ff123101875b88252c232be93381362a ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:21:31,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:21:31,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:21:31,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:21:31,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:21:31,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:21:31,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:21:31,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:21:31,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:21:31,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:21:31,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:21:31,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:21:31,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:21:31,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:21:31,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:21:31,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:21:31,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:21:31,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:21:31,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:21:31,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:21:31,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:21:31,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:21:31,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:21:31,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:21:31,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:21:31,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:21:31,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:21:31,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:21:31,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:21:31,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:21:31,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:21:31,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:21:31,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:21:31,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:21:31,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:21:31,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:21:31,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:21:31,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:21:31,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:21:31,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:21:31,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:21:31,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:21:31,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:21:31,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:21:31,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:21:31,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:21:31,232 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:21:31,233 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:21:31,233 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:21:31,233 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:21:31,233 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:21:31,233 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:21:31,234 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:21:31,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:21:31,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:21:31,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:21:31,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:21:31,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:21:31,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:21:31,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:21:31,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:21:31,236 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:21:31,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:21:31,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:21:31,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:21:31,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:21:31,237 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:21:31,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:21:31,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:21:31,238 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:21:31,239 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:21:31,239 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer 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 -> 87d0ba70ff123101875b88252c232be93381362a [2019-11-19 22:21:31,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:21:31,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:21:31,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:21:31,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:21:31,467 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:21:31,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2019-11-19 22:21:31,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/data/0b2068b32/d90313fe009742f189e610b72ecd1472/FLAG6cd1c5b0d [2019-11-19 22:21:31,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:21:31,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2019-11-19 22:21:31,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/data/0b2068b32/d90313fe009742f189e610b72ecd1472/FLAG6cd1c5b0d [2019-11-19 22:21:32,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/data/0b2068b32/d90313fe009742f189e610b72ecd1472 [2019-11-19 22:21:32,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:21:32,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:21:32,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:21:32,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:21:32,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:21:32,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae922c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32, skipping insertion in model container [2019-11-19 22:21:32,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,360 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:21:32,375 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:21:32,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:21:32,534 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:21:32,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:21:32,634 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:21:32,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32 WrapperNode [2019-11-19 22:21:32,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:21:32,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:21:32,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:21:32,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:21:32,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:21:32,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:21:32,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:21:32,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:21:32,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... [2019-11-19 22:21:32,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:21:32,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:21:32,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:21:32,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:21:32,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure le [2019-11-19 22:21:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2019-11-19 22:21:32,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:21:32,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:21:32,908 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:21:32,908 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 22:21:32,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:32 BoogieIcfgContainer [2019-11-19 22:21:32,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:21:32,910 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:21:32,910 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:21:32,913 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:21:32,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:32,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:21:32" (1/3) ... [2019-11-19 22:21:32,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@611473cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:21:32, skipping insertion in model container [2019-11-19 22:21:32,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:32,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:32" (2/3) ... [2019-11-19 22:21:32,917 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@611473cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:21:32, skipping insertion in model container [2019-11-19 22:21:32,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:21:32,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:32" (3/3) ... [2019-11-19 22:21:32,919 INFO L371 chiAutomizerObserver]: Analyzing ICFG LeUserDefRec.c [2019-11-19 22:21:32,998 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:21:32,998 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:21:32,999 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:21:32,999 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:21:32,999 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:21:32,999 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:21:32,999 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:21:32,999 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:21:33,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-19 22:21:33,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:21:33,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:33,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:33,080 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 22:21:33,080 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:21:33,081 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:21:33,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-19 22:21:33,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:21:33,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:21:33,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:21:33,083 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-19 22:21:33,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:21:33,091 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~ret3, main_~x~0, main_~y~0, main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 13#L23true assume !(main_~x~0 < 0);main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L26true assume !(main_~y~0 < 0);main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L29true call main_#t~ret3 := le(main_~x~0, main_~y~0);< 12#leENTRYtrue [2019-11-19 22:21:33,092 INFO L796 eck$LassoCheckResult]: Loop: 12#leENTRYtrue ~x := #in~x;~y := #in~y; 4#L42true assume ~x > 0 && ~y > 0; 16#L43true call #t~ret5 := le(~x - 1, ~y - 1);< 12#leENTRYtrue [2019-11-19 22:21:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:33,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1205710, now seen corresponding path program 1 times [2019-11-19 22:21:33,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:33,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668739041] [2019-11-19 22:21:33,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:33,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:33,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:33,202 INFO L82 PathProgramCache]: Analyzing trace with hash 29909, now seen corresponding path program 1 times [2019-11-19 22:21:33,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:33,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920669515] [2019-11-19 22:21:33,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:33,217 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:33,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:33,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1559568360, now seen corresponding path program 1 times [2019-11-19 22:21:33,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:21:33,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506381813] [2019-11-19 22:21:33,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:21:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:21:33,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:21:33,396 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:21:33,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:21:33,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:21:33,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:21:33,397 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:21:33,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:33,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:21:33,398 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:21:33,398 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeUserDefRec.c_Iteration1_Loop [2019-11-19 22:21:33,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:21:33,398 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:21:33,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,533 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:21:33,534 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:33,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:21:33,547 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:33,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:21:33,558 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {le_~y=0} Honda state: {le_~y=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:33,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:21:33,572 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:33,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:21:33,600 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:33,671 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:21:33,673 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:21:33,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:21:33,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:21:33,673 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:21:33,673 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:21:33,673 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:33,673 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:21:33,674 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:21:33,674 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeUserDefRec.c_Iteration1_Loop [2019-11-19 22:21:33,674 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:21:33,674 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:21:33,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:21:33,769 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:21:33,774 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:21:33,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:21:33,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:21:33,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:21:33,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:21:33,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:21:33,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:21:33,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:21:33,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:33,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:21:33,812 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:21:33,812 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc715fe3-1f83-4bc0-86ab-ea22f035492a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:21:33,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:21:33,825 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:21:33,826 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:21:33,826 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(le_#in~y) = 1*le_#in~y Supporting invariants [] [2019-11-19 22:21:33,842 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:21:33,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:21:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:33,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:21:33,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:21:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:21:33,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:21:33,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:21:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:21:33,962 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 [2019-11-19 22:21:33,963 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2019-11-19 22:21:34,075 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 32 states and 37 transitions. Complement of second has 12 states. [2019-11-19 22:21:34,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:21:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:21:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2019-11-19 22:21:34,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-19 22:21:34,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:21:34,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-19 22:21:34,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:21:34,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-19 22:21:34,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:21:34,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-19 22:21:34,093 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:21:34,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-19 22:21:34,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:21:34,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:21:34,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:21:34,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:21:34,099 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:21:34,099 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:21:34,099 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:21:34,099 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:21:34,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:21:34,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:21:34,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:21:34,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:21:34 BoogieIcfgContainer [2019-11-19 22:21:34,109 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:21:34,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:21:34,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:21:34,110 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:21:34,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:32" (3/4) ... [2019-11-19 22:21:34,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:21:34,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:21:34,118 INFO L168 Benchmark]: Toolchain (without parser) took 1771.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -66.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:34,119 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:21:34,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:34,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:21:34,122 INFO L168 Benchmark]: Boogie Preprocessor took 15.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:21:34,126 INFO L168 Benchmark]: RCFGBuilder took 227.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:34,128 INFO L168 Benchmark]: BuchiAutomizer took 1199.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:21:34,129 INFO L168 Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:21:34,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1199.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 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 \old(y) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 10 SDtfs, 13 SDslu, 2 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp54 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 50ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...