./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/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 6051a5fb5d8f122488338219baae2c7290933e19 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:00,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:00,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:00,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:00,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:00,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:00,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:00,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:00,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:00,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:00,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:00,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:00,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:00,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:00,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:00,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:00,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:00,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:00,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:00,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:00,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:00,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:00,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:00,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:00,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:00,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:00,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:00,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:00,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:00,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:00,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:00,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:00,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:00,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:00,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:00,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:00,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:00,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:00,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:00,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:00,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:00,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 09:00:00,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:00,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:00,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:00,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:00,334 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:00,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:00,334 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:00,335 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:00,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:00,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:00,335 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:00,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:00,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:00,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:00,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:00,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:00,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:00,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:00,337 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:00,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:00,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:00,338 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:00,338 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:00,338 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/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/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 -> 6051a5fb5d8f122488338219baae2c7290933e19 [2019-10-22 09:00:00,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:00,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:00,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:00,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:00,378 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:00,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2019-10-22 09:00:00,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/data/bf0749bbb/02d145b36f144807ada3a4d8a2d9a0b8/FLAGacabd7681 [2019-10-22 09:00:00,823 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:00,823 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2019-10-22 09:00:00,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/data/bf0749bbb/02d145b36f144807ada3a4d8a2d9a0b8/FLAGacabd7681 [2019-10-22 09:00:00,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/bin/uautomizer/data/bf0749bbb/02d145b36f144807ada3a4d8a2d9a0b8 [2019-10-22 09:00:00,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:00,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:00,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:00,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:00,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:00,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:00" (1/1) ... [2019-10-22 09:00:00,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b8b389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:00, skipping insertion in model container [2019-10-22 09:00:00,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:00" (1/1) ... [2019-10-22 09:00:00,865 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:00,897 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:01,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:01,179 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:01,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:01,255 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:01,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01 WrapperNode [2019-10-22 09:00:01,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:01,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:01,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:01,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:01,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:01,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:01,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:01,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:01,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... [2019-10-22 09:00:01,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:01,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:01,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:01,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:01,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd848d40-6e25-4b71-998a-2de3b867701f/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 [2019-10-22 09:00:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2019-10-22 09:00:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2019-10-22 09:00:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:00:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 09:00:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 09:00:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:01,710 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:01,711 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:00:01,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:01 BoogieIcfgContainer [2019-10-22 09:00:01,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:01,713 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:01,713 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:01,719 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:01,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:01,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:00" (1/3) ... [2019-10-22 09:00:01,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c1e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:01, skipping insertion in model container [2019-10-22 09:00:01,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:01,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:01" (2/3) ... [2019-10-22 09:00:01,722 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c1e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:01, skipping insertion in model container [2019-10-22 09:00:01,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:01,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:01" (3/3) ... [2019-10-22 09:00:01,723 INFO L371 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2019-10-22 09:00:01,776 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:01,776 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:01,776 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:01,776 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:01,776 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:01,776 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:01,777 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:01,777 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:01,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-10-22 09:00:01,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:00:01,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:01,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:01,824 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 09:00:01,824 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:00:01,824 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:00:01,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-10-22 09:00:01,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 09:00:01,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:01,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:01,826 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 09:00:01,826 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 09:00:01,835 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L558true assume !(main_~n~0 < 0); 13#L561true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 11#new_llENTRYtrue [2019-10-22 09:00:01,835 INFO L793 eck$LassoCheckResult]: Loop: 11#new_llENTRYtrue ~n := #in~n; 16#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 6#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 11#new_llENTRYtrue [2019-10-22 09:00:01,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:01,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2019-10-22 09:00:01,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:01,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917684533] [2019-10-22 09:00:01,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:01,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:01,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:01,937 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:01,938 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2019-10-22 09:00:01,939 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:01,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381031615] [2019-10-22 09:00:01,939 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:01,939 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:01,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:01,973 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:01,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:01,975 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2019-10-22 09:00:01,975 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:01,976 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804413372] [2019-10-22 09:00:01,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:01,976 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:01,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:02,028 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:02,193 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-10-22 09:00:02,382 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-22 09:00:02,604 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:00:02,605 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:00:02,605 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:00:02,605 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:00:02,606 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:00:02,606 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:00:02,606 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:00:02,606 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:00:02,606 INFO L131 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2019-10-22 09:00:02,606 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:00:02,607 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:00:02,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:00:02,872 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:00:02,877 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:00:02,879 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 [2019-10-22 09:00:02,881 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,881 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,882 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,882 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,882 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,884 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,884 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,889 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 [2019-10-22 09:00:02,890 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,890 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,890 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,891 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,891 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,891 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,891 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,892 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 [2019-10-22 09:00:02,895 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,895 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,896 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,896 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,896 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,896 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,897 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,898 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 [2019-10-22 09:00:02,899 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,899 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,899 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,899 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,900 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,900 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,900 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,905 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 [2019-10-22 09:00:02,906 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,906 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,906 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,906 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,907 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,907 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,907 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,909 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 [2019-10-22 09:00:02,910 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,910 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,911 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,911 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,911 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,911 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,912 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,913 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 [2019-10-22 09:00:02,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,915 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,915 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,915 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,917 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:02,918 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:00:02,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,924 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 [2019-10-22 09:00:02,925 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,925 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,925 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,925 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,925 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,926 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,926 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,927 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 [2019-10-22 09:00:02,928 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,928 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,928 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,928 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,928 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,929 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,929 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,932 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 [2019-10-22 09:00:02,933 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,933 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,933 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,933 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,933 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,934 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,934 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,935 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 [2019-10-22 09:00:02,936 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,936 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,936 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,936 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,936 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,937 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,937 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,939 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 [2019-10-22 09:00:02,940 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,940 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,940 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,940 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,940 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,941 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,941 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,942 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 [2019-10-22 09:00:02,943 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,943 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,943 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,943 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,943 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,944 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,944 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,945 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 [2019-10-22 09:00:02,947 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,947 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,947 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,947 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,947 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,948 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,948 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,949 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 [2019-10-22 09:00:02,950 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,950 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,950 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,950 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,951 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,951 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,951 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,952 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 [2019-10-22 09:00:02,953 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,955 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,955 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,956 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,957 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:00:02,957 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:00:02,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,961 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 [2019-10-22 09:00:02,966 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,966 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,967 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,967 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,967 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,967 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,967 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,969 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 [2019-10-22 09:00:02,971 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,971 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,972 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,972 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:00:02,972 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,973 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:00:02,973 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,975 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 [2019-10-22 09:00:02,976 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,976 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:00:02,976 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,976 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:00:02,976 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,979 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-10-22 09:00:02,979 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:00:02,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:00:02,987 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 [2019-10-22 09:00:02,987 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:00:02,987 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:00:02,987 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-10-22 09:00:02,988 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:00:02,994 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-10-22 09:00:02,994 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-10-22 09:00:03,073 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:00:03,124 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-10-22 09:00:03,125 INFO L444 ModelExtractionUtils]: 6 out of 11 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-10-22 09:00:03,127 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:00:03,131 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-10-22 09:00:03,132 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:00:03,132 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2019-10-22 09:00:03,150 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-10-22 09:00:03,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:03,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 09:00:03,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:03,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-22 09:00:03,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:03,281 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-10-22 09:00:03,282 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-10-22 09:00:03,397 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 32 states and 36 transitions. Complement of second has 13 states. [2019-10-22 09:00:03,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:00:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-10-22 09:00:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-10-22 09:00:03,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-10-22 09:00:03,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:00:03,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-10-22 09:00:03,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:00:03,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-10-22 09:00:03,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:00:03,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2019-10-22 09:00:03,405 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:00:03,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-10-22 09:00:03,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:00:03,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:00:03,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:00:03,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:00:03,410 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:03,410 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:03,410 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:03,410 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:00:03,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:03,410 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:00:03,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:00:03,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:00:03 BoogieIcfgContainer [2019-10-22 09:00:03,416 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:00:03,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:03,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:03,417 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:03,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:01" (3/4) ... [2019-10-22 09:00:03,420 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:00:03,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:03,421 INFO L168 Benchmark]: Toolchain (without parser) took 2572.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.7 MB in the beginning and 900.2 MB in the end (delta: 37.5 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:03,422 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:03,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:03,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.63 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. [2019-10-22 09:00:03,423 INFO L168 Benchmark]: Boogie Preprocessor took 34.83 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. [2019-10-22 09:00:03,424 INFO L168 Benchmark]: RCFGBuilder took 370.09 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:03,424 INFO L168 Benchmark]: BuchiAutomizer took 1703.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.2 MB in the end (delta: 196.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:03,424 INFO L168 Benchmark]: Witness Printer took 3.75 ms. Allocated memory is still 1.2 GB. Free memory is still 900.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:03,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.63 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 34.83 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 370.09 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1703.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.2 MB in the end (delta: 196.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.75 ms. Allocated memory is still 1.2 GB. Free memory is still 900.2 MB. 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(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf100 lsp95 ukn25 mio100 lsp42 div100 bol100 ite100 ukn100 eq214 hnf86 smp100 dnf130 smp100 tf100 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 145ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...