./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/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/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 [2019-11-16 00:18:55,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:18:55,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:18:55,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:18:55,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:18:55,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:18:55,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:18:55,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:18:55,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:18:55,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:18:55,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:18:55,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:18:55,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:18:55,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:18:55,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:18:55,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:18:55,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:18:55,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:18:55,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:18:55,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:18:55,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:18:55,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:18:55,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:18:55,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:18:55,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:18:55,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:18:55,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:18:55,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:18:55,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:18:55,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:18:55,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:18:55,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:18:55,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:18:55,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:18:55,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:18:55,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:18:55,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:18:55,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:18:55,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:18:55,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:18:55,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:18:55,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 00:18:55,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:18:55,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:18:55,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:18:55,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:18:55,319 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:18:55,319 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:18:55,320 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:18:55,320 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:18:55,320 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:18:55,320 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:18:55,321 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:18:55,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:18:55,321 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:18:55,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:18:55,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:18:55,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:18:55,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:18:55,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:18:55,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:18:55,322 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:18:55,323 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:18:55,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:18:55,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:18:55,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:18:55,324 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:18:55,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:18:55,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:18:55,324 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:18:55,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:18:55,325 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_b875fe36-d01a-4372-aca7-65746b5ccfad/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 [2019-11-16 00:18:55,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:18:55,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:18:55,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:18:55,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:18:55,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:18:55,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2019-11-16 00:18:55,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/data/800bb3fc7/edc89df1e6014ea5bc4593e53664418f/FLAG77a5f2584 [2019-11-16 00:18:55,869 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:18:55,870 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/sv-benchmarks/c/termination-memory-linkedlists/ll_create_rec-alloca-2.i [2019-11-16 00:18:55,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/data/800bb3fc7/edc89df1e6014ea5bc4593e53664418f/FLAG77a5f2584 [2019-11-16 00:18:56,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/bin/uautomizer/data/800bb3fc7/edc89df1e6014ea5bc4593e53664418f [2019-11-16 00:18:56,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:18:56,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:18:56,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:56,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:18:56,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:18:56,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302142f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56, skipping insertion in model container [2019-11-16 00:18:56,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,158 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:18:56,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:18:56,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:56,650 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:18:56,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:18:56,751 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:18:56,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56 WrapperNode [2019-11-16 00:18:56,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:56,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:18:56,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:18:56,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:18:56,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:18:56,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:18:56,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:18:56,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:18:56,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... [2019-11-16 00:18:56,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:18:56,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:18:56,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:18:56,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:18:56,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b875fe36-d01a-4372-aca7-65746b5ccfad/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 [2019-11-16 00:18:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2019-11-16 00:18:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2019-11-16 00:18:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:18:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:18:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-16 00:18:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:18:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:18:57,095 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:18:57,096 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-16 00:18:57,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:57 BoogieIcfgContainer [2019-11-16 00:18:57,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:18:57,098 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:18:57,098 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:18:57,102 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:18:57,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:18:57,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:18:56" (1/3) ... [2019-11-16 00:18:57,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@426ecc64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:18:57, skipping insertion in model container [2019-11-16 00:18:57,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:18:57,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:56" (2/3) ... [2019-11-16 00:18:57,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@426ecc64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:18:57, skipping insertion in model container [2019-11-16 00:18:57,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:18:57,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:57" (3/3) ... [2019-11-16 00:18:57,109 INFO L371 chiAutomizerObserver]: Analyzing ICFG ll_create_rec-alloca-2.i [2019-11-16 00:18:57,173 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:18:57,174 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:18:57,174 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:18:57,174 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:18:57,183 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:18:57,183 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:18:57,184 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:18:57,184 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:18:57,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-16 00:18:57,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-16 00:18:57,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:18:57,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:18:57,229 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-16 00:18:57,229 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-16 00:18:57,230 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:18:57,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-16 00:18:57,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-16 00:18:57,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:18:57,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:18:57,232 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-16 00:18:57,232 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-16 00:18:57,239 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~ret5.base, main_#t~ret5.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet4;havoc main_#t~nondet4; 4#L558true assume !(main_~n~0 < 0); 13#L561true call main_#t~ret5.base, main_#t~ret5.offset := new_ll(main_~n~0);< 11#new_llENTRYtrue [2019-11-16 00:18:57,239 INFO L793 eck$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 [2019-11-16 00:18:57,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:57,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1171947, now seen corresponding path program 1 times [2019-11-16 00:18:57,250 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:57,250 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610504307] [2019-11-16 00:18:57,250 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:57,250 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:57,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:57,349 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:18:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:57,350 INFO L82 PathProgramCache]: Analyzing trace with hash 29936, now seen corresponding path program 1 times [2019-11-16 00:18:57,351 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:57,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325127118] [2019-11-16 00:18:57,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:57,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:57,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:57,397 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:18:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:57,399 INFO L82 PathProgramCache]: Analyzing trace with hash 553734854, now seen corresponding path program 1 times [2019-11-16 00:18:57,399 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:18:57,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271207555] [2019-11-16 00:18:57,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:57,400 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:18:57,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:18:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:18:57,447 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:18:57,680 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-11-16 00:18:57,934 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-16 00:18:58,208 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:18:58,209 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:18:58,209 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:18:58,209 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:18:58,209 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:18:58,210 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:18:58,210 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:18:58,210 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:18:58,210 INFO L131 ssoRankerPreferences]: Filename of dumped script: ll_create_rec-alloca-2.i_Iteration1_Lasso [2019-11-16 00:18:58,210 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:18:58,211 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:18:58,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:18:58,552 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:18:58,557 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:18:58,559 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 [2019-11-16 00:18:58,566 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,566 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,567 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,567 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,567 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,569 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,569 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,580 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 [2019-11-16 00:18:58,581 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,582 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,585 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,586 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,586 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,586 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,587 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,593 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 [2019-11-16 00:18:58,594 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,595 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,595 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,596 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,596 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,605 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,606 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,610 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 [2019-11-16 00:18:58,611 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,613 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,614 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,614 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,614 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,615 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,615 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,617 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 [2019-11-16 00:18:58,618 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,618 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,618 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,619 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,619 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,620 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,620 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,622 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,628 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 [2019-11-16 00:18:58,629 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,629 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,629 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,629 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,629 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,630 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,630 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,631 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 [2019-11-16 00:18:58,632 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,632 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,632 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,633 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,634 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:18:58,635 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:18:58,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,639 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 [2019-11-16 00:18:58,639 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,640 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,640 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,640 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,640 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,641 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,641 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,642 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 [2019-11-16 00:18:58,643 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,643 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,644 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,644 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,644 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,645 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,645 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,647 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 [2019-11-16 00:18:58,647 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,647 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,648 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,648 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,648 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,649 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,649 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,650 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 [2019-11-16 00:18:58,651 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,651 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,652 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,652 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,652 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,653 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,653 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,654 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 [2019-11-16 00:18:58,655 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,655 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,656 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,656 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,656 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,657 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,657 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,658 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 [2019-11-16 00:18:58,659 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,659 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,659 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,660 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,660 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,660 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,661 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,662 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 [2019-11-16 00:18:58,663 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,663 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,663 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,664 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,664 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,664 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,665 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,666 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 [2019-11-16 00:18:58,667 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,667 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,668 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,668 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,668 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,668 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,669 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,670 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 [2019-11-16 00:18:58,671 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,671 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,671 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,672 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,673 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:18:58,674 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:18:58,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,678 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 [2019-11-16 00:18:58,679 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,679 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,679 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,679 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,680 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,680 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,680 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,682 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 [2019-11-16 00:18:58,683 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,683 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,683 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,684 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:18:58,684 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,685 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:18:58,685 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,686 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 [2019-11-16 00:18:58,687 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,687 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:18:58,688 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,688 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-16 00:18:58,688 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,689 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-16 00:18:58,689 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:18:58,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:18:58,697 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 [2019-11-16 00:18:58,697 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:18:58,698 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:18:58,698 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-16 00:18:58,699 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:18:58,711 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-16 00:18:58,711 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-16 00:18:58,815 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:18:58,863 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-16 00:18:58,863 INFO L444 ModelExtractionUtils]: 6 out of 11 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-11-16 00:18:58,866 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:18:58,869 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-16 00:18:58,870 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:18:58,870 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] [2019-11-16 00:18:58,877 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-16 00:18:58,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:18:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:58,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:18:58,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:18:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:18:59,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:18:59,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:18:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:18:59,063 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 [2019-11-16 00:18:59,065 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-11-16 00:18:59,230 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. [2019-11-16 00:18:59,231 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 [2019-11-16 00:18:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-16 00:18:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-16 00:18:59,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-16 00:18:59,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:18:59,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-16 00:18:59,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:18:59,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-16 00:18:59,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:18:59,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2019-11-16 00:18:59,241 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:18:59,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-16 00:18:59,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:18:59,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:18:59,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:18:59,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:18:59,246 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:59,246 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:59,246 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:18:59,246 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:18:59,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:18:59,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:18:59,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:18:59,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:18:59 BoogieIcfgContainer [2019-11-16 00:18:59,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:18:59,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:18:59,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:18:59,254 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:18:59,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:18:57" (3/4) ... [2019-11-16 00:18:59,258 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:18:59,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:18:59,260 INFO L168 Benchmark]: Toolchain (without parser) took 3118.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.7 MB in the beginning and 900.3 MB in the end (delta: 35.4 MB). Peak memory consumption was 165.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:59,260 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:59,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:59,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.66 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. [2019-11-16 00:18:59,262 INFO L168 Benchmark]: Boogie Preprocessor took 21.50 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. [2019-11-16 00:18:59,262 INFO L168 Benchmark]: RCFGBuilder took 277.80 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:59,263 INFO L168 Benchmark]: BuchiAutomizer took 2155.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.3 MB in the end (delta: 189.9 MB). Peak memory consumption was 189.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:59,263 INFO L168 Benchmark]: Witness Printer took 4.59 ms. Allocated memory is still 1.2 GB. Free memory is still 900.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:59,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.66 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 21.50 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 277.80 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2155.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.3 MB in the end (delta: 189.9 MB). Peak memory consumption was 189.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.59 ms. Allocated memory is still 1.2 GB. Free memory is still 900.3 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 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 172ms 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...