./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/recHanoi03-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/recHanoi03-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/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 32bit --witnessprinter.graph.data.programhash 887ada769b510ae5d273618525924110908f2b5f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:02:41,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:02:41,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:02:41,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:02:41,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:02:41,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:02:41,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:02:41,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:02:41,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:02:41,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:02:41,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:02:41,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:02:41,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:02:41,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:02:41,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:02:41,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:02:41,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:02:41,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:02:41,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:02:41,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:02:41,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:02:41,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:02:41,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:02:41,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:02:41,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:02:41,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:02:41,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:02:41,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:02:41,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:02:41,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:02:41,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:02:41,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:02:41,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:02:41,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:02:41,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:02:41,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:02:41,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:02:41,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:02:41,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:02:41,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:02:41,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:02:41,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:02:41,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:02:41,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:02:41,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:02:41,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:02:41,245 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:02:41,245 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:02:41,246 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:02:41,246 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:02:41,246 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:02:41,246 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:02:41,246 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:02:41,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:02:41,247 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:02:41,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:02:41,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:02:41,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:02:41,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:02:41,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:02:41,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:02:41,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:02:41,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:02:41,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:02:41,248 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:02:41,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:02:41,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:02:41,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:02:41,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:02:41,249 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:02:41,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:02:41,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:02:41,250 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:02:41,250 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:02:41,251 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_f69637c6-61f2-4a6c-9006-c212354701b5/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 887ada769b510ae5d273618525924110908f2b5f [2019-11-20 00:02:41,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:02:41,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:02:41,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:02:41,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:02:41,411 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:02:41,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/../../sv-benchmarks/c/recursive/recHanoi03-2.c [2019-11-20 00:02:41,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/data/334a3d5a4/067a4c960fbc4ccea67eabae72691a4c/FLAGda4a75051 [2019-11-20 00:02:41,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:02:41,817 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/sv-benchmarks/c/recursive/recHanoi03-2.c [2019-11-20 00:02:41,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/data/334a3d5a4/067a4c960fbc4ccea67eabae72691a4c/FLAGda4a75051 [2019-11-20 00:02:42,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/data/334a3d5a4/067a4c960fbc4ccea67eabae72691a4c [2019-11-20 00:02:42,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:02:42,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:02:42,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:02:42,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:02:42,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:02:42,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2219f534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42, skipping insertion in model container [2019-11-20 00:02:42,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,241 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:02:42,261 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:02:42,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:02:42,466 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:02:42,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:02:42,584 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:02:42,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42 WrapperNode [2019-11-20 00:02:42,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:02:42,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:02:42,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:02:42,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:02:42,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:02:42,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:02:42,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:02:42,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:02:42,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... [2019-11-20 00:02:42,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:02:42,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:02:42,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:02:42,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:02:42,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/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 [2019-11-20 00:02:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-11-20 00:02:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-11-20 00:02:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:02:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:02:42,847 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:02:42,847 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 00:02:42,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:42 BoogieIcfgContainer [2019-11-20 00:02:42,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:02:42,849 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:02:42,849 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:02:42,852 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:02:42,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:02:42,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:02:42" (1/3) ... [2019-11-20 00:02:42,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d8e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:02:42, skipping insertion in model container [2019-11-20 00:02:42,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:02:42,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:42" (2/3) ... [2019-11-20 00:02:42,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d8e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:02:42, skipping insertion in model container [2019-11-20 00:02:42,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:02:42,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:42" (3/3) ... [2019-11-20 00:02:42,860 INFO L371 chiAutomizerObserver]: Analyzing ICFG recHanoi03-2.c [2019-11-20 00:02:42,903 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:02:42,903 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:02:42,904 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:02:42,904 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:02:42,904 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:02:42,904 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:02:42,904 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:02:42,904 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:02:42,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 00:02:42,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 00:02:42,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:02:42,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:02:42,950 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 00:02:42,950 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:02:42,951 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:02:42,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 00:02:42,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 00:02:42,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:02:42,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:02:42,953 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 00:02:42,953 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 00:02:42,960 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~n~0, main_~result~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L26true assume !(main_~n~0 < 1 || main_~n~0 > 31); 7#L29true call main_#t~ret2 := hanoi(main_~n~0);< 6#hanoiENTRYtrue [2019-11-20 00:02:42,961 INFO L796 eck$LassoCheckResult]: Loop: 6#hanoiENTRYtrue ~n := #in~n; 17#L17true assume !(1 == ~n); 13#L20true call #t~ret0 := hanoi(~n - 1);< 6#hanoiENTRYtrue [2019-11-20 00:02:42,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:02:42,967 INFO L82 PathProgramCache]: Analyzing trace with hash 38903, now seen corresponding path program 1 times [2019-11-20 00:02:42,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:02:42,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67670962] [2019-11-20 00:02:42,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:02:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:02:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:02:43,054 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:02:43,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:02:43,056 INFO L82 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2019-11-20 00:02:43,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:02:43,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921741616] [2019-11-20 00:02:43,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:02:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:02:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:02:43,068 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:02:43,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:02:43,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1158959424, now seen corresponding path program 1 times [2019-11-20 00:02:43,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:02:43,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925597294] [2019-11-20 00:02:43,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:02:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:02:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:02:43,089 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:02:43,205 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:02:43,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:02:43,206 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:02:43,206 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:02:43,206 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 00:02:43,206 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,206 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:02:43,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:02:43,207 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-2.c_Iteration1_Loop [2019-11-20 00:02:43,207 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:02:43,207 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:02:43,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,326 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:02:43,326 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:02:43,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:02:43,349 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:02:43,350 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:02:43,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:02:43,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:02:43,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:02:43,374 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 00:02:43,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:02:43,407 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:02:43,408 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-2} Honda state: {hanoi_#in~n=-2} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=-1}, {hanoi_#in~n=0}] Lambdas: [14, 1, 11] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:02:43,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 00:02:43,428 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 00:02:43,428 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret0=0} Honda state: {hanoi_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-20 00:02:43,477 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:02:43,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:02:43,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:02:43,478 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:02:43,478 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 00:02:43,478 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:02:43,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:02:43,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-2.c_Iteration1_Lasso [2019-11-20 00:02:43,479 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:02:43,479 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:02:43,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,598 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:02:43,598 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 00:02:43,611 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 00:02:43,638 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,655 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 00:02:43,657 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 00:02:43,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 00:02:43,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 00:02:43,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 00:02:43,658 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 00:02:43,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 00:02:43,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 00:02:43,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-2.c_Iteration1_Lasso [2019-11-20 00:02:43,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 00:02:43,658 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 00:02:43,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 00:02:43,788 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 00:02:43,793 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,801 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 [2019-11-20 00:02:43,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:02:43,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,826 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 [2019-11-20 00:02:43,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:02:43,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,849 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 [2019-11-20 00:02:43,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,867 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 [2019-11-20 00:02:43,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:02:43,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,888 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 [2019-11-20 00:02:43,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,915 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 [2019-11-20 00:02:43,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,927 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 [2019-11-20 00:02:43,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,950 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 [2019-11-20 00:02:43,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:02:43,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:43,974 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 [2019-11-20 00:02:43,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:43,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 00:02:43,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:43,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 00:02:43,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:43,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 00:02:43,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 00:02:43,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:43,999 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 [2019-11-20 00:02:44,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 00:02:44,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 00:02:44,001 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 00:02:44,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 00:02:44,013 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 00:02:44,014 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:44,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 00:02:44,077 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 00:02:44,077 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f69637c6-61f2-4a6c-9006-c212354701b5/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 00:02:44,088 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 00:02:44,098 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-20 00:02:44,098 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 00:02:44,099 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2019-11-20 00:02:44,111 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 00:02:44,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:02:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:02:44,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 00:02:44,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:02:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:02:44,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 00:02:44,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:02:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:02:44,272 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 [2019-11-20 00:02:44,273 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2019-11-20 00:02:44,425 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 33 states and 38 transitions. Complement of second has 13 states. [2019-11-20 00:02:44,425 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 [2019-11-20 00:02:44,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 00:02:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-20 00:02:44,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-20 00:02:44,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:02:44,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-20 00:02:44,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:02:44,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-20 00:02:44,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 00:02:44,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 38 transitions. [2019-11-20 00:02:44,435 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:02:44,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-20 00:02:44,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 00:02:44,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 00:02:44,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 00:02:44,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:02:44,441 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:02:44,441 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:02:44,441 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:02:44,441 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:02:44,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:02:44,442 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 00:02:44,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 00:02:44,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:02:44 BoogieIcfgContainer [2019-11-20 00:02:44,448 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:02:44,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:02:44,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:02:44,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:02:44,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:42" (3/4) ... [2019-11-20 00:02:44,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:02:44,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:02:44,455 INFO L168 Benchmark]: Toolchain (without parser) took 2235.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 922.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 159.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:02:44,455 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:02:44,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:02:44,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.30 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. [2019-11-20 00:02:44,464 INFO L168 Benchmark]: Boogie Preprocessor took 17.66 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. [2019-11-20 00:02:44,470 INFO L168 Benchmark]: RCFGBuilder took 216.89 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:02:44,470 INFO L168 Benchmark]: BuchiAutomizer took 1598.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.7 MB in the end (delta: 189.8 MB). Peak memory consumption was 189.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:02:44,471 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 1.2 GB. Free memory is still 922.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:02:44,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.30 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 17.66 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. * RCFGBuilder took 216.89 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1598.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.7 MB in the end (delta: 189.8 MB). Peak memory consumption was 189.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.44 ms. Allocated memory is still 1.2 GB. Free memory is still 922.7 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 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 8 SDtfs, 11 SDslu, 4 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: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 116ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...