./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gj2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007.i -s /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/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 1a9963030a13e3c679db84f21688cc66372a5ac3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:52,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:52,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:52,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:52,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:52,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:52,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:52,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:52,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:52,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:52,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:52,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:52,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:52,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:52,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:52,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:52,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:52,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:52,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:52,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:52,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:52,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:52,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:52,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:52,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:52,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:52,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:52,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:52,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:52,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:52,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:52,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:52,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:52,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:52,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:52,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:52,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:52,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:52,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:52,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:52,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:52,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:57:52,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:52,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:52,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:52,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:52,159 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:52,160 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:52,160 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:52,160 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:52,160 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:52,160 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:52,160 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:52,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:52,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:52,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:52,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:52,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:52,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:52,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:52,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:52,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:52,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:52,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:52,165 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:52,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:52,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:52,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:52,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:52,166 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:52,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:52,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:52,166 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:52,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:52,167 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/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 -> 1a9963030a13e3c679db84f21688cc66372a5ac3 [2019-10-22 08:57:52,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:52,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:52,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:52,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:52,213 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:52,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/../../sv-benchmarks/c/loop-lit/gj2007.i [2019-10-22 08:57:52,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/data/545ecfbc8/51720b51161c4a33ad07e6b8064ce732/FLAGd94ab8f8c [2019-10-22 08:57:52,637 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:52,638 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/sv-benchmarks/c/loop-lit/gj2007.i [2019-10-22 08:57:52,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/data/545ecfbc8/51720b51161c4a33ad07e6b8064ce732/FLAGd94ab8f8c [2019-10-22 08:57:52,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/data/545ecfbc8/51720b51161c4a33ad07e6b8064ce732 [2019-10-22 08:57:52,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:52,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:52,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:52,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:52,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:52,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6d2762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52, skipping insertion in model container [2019-10-22 08:57:52,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:52,693 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:52,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:52,859 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:52,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:52,940 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:52,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52 WrapperNode [2019-10-22 08:57:52,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:52,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:52,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:52,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:52,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:52,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:52,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:52,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:52,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... [2019-10-22 08:57:52,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:52,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:52,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:52,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:52,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:53,140 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:53,140 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:57:53,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:53 BoogieIcfgContainer [2019-10-22 08:57:53,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:53,142 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:53,142 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:53,144 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:53,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:53,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:52" (1/3) ... [2019-10-22 08:57:53,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3778917e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:53, skipping insertion in model container [2019-10-22 08:57:53,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:53,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:52" (2/3) ... [2019-10-22 08:57:53,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3778917e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:53, skipping insertion in model container [2019-10-22 08:57:53,147 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:53,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:53" (3/3) ... [2019-10-22 08:57:53,148 INFO L371 chiAutomizerObserver]: Analyzing ICFG gj2007.i [2019-10-22 08:57:53,183 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:53,183 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:53,183 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:53,183 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:53,183 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:53,183 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:53,184 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:53,184 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:53,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-10-22 08:57:53,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:57:53,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:53,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:53,212 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:53,212 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:57:53,212 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:53,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-10-22 08:57:53,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:57:53,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:53,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:53,214 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-10-22 08:57:53,214 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:57:53,219 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 7#L14-2true [2019-10-22 08:57:53,220 INFO L793 eck$LassoCheckResult]: Loop: 7#L14-2true assume !!(main_~x~0 < 100); 11#L14true assume main_~x~0 < 50;main_~x~0 := 1 + main_~x~0; 7#L14-2true [2019-10-22 08:57:53,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,223 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-10-22 08:57:53,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265696474] [2019-10-22 08:57:53,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,290 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:53,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-10-22 08:57:53,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949930401] [2019-10-22 08:57:53,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,302 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:53,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,304 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-10-22 08:57:53,304 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835145417] [2019-10-22 08:57:53,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,314 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:53,349 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:53,349 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:53,349 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:53,350 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:53,350 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:53,350 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,350 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:53,350 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:53,350 INFO L131 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2019-10-22 08:57:53,350 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:53,350 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:53,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:53,439 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:53,440 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:53,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:53,459 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:53,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:53,471 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,493 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:53,494 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:53,494 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:53,494 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:53,494 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:53,494 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:53,494 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,495 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:53,495 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:53,495 INFO L131 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2019-10-22 08:57:53,495 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:53,495 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:53,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:53,540 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:53,544 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:53,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:53,546 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:53,546 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:53,546 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:53,546 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:53,546 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:53,549 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:53,549 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:53,556 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:53,562 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:57:53,562 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:57:53,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:53,564 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:57:53,565 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:53,565 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 99 Supporting invariants [] [2019-10-22 08:57:53,567 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:57:53,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:53,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,628 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:53,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:53,646 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-10-22 08:57:53,647 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2019-10-22 08:57:53,683 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 30 states and 41 transitions. Complement of second has 5 states. [2019-10-22 08:57:53,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-10-22 08:57:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:57:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-10-22 08:57:53,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 2 letters. [2019-10-22 08:57:53,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:53,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2019-10-22 08:57:53,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:53,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 4 letters. [2019-10-22 08:57:53,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:53,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2019-10-22 08:57:53,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:57:53,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2019-10-22 08:57:53,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-10-22 08:57:53,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-10-22 08:57:53,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-10-22 08:57:53,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:57:53,704 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-10-22 08:57:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-10-22 08:57:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-10-22 08:57:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-10-22 08:57:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-10-22 08:57:53,729 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-10-22 08:57:53,729 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-10-22 08:57:53,729 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:57:53,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-10-22 08:57:53,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:57:53,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:53,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:53,730 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:57:53,731 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:57:53,731 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 73#L14-2 assume !!(main_~x~0 < 100); 75#L14 [2019-10-22 08:57:53,731 INFO L793 eck$LassoCheckResult]: Loop: 75#L14 assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0; 74#L14-2 assume !!(main_~x~0 < 100); 75#L14 [2019-10-22 08:57:53,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-10-22 08:57:53,732 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812848028] [2019-10-22 08:57:53,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,732 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,742 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:53,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-10-22 08:57:53,743 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601494703] [2019-10-22 08:57:53,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:53,753 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:53,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,754 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-10-22 08:57:53,755 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:53,755 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713718418] [2019-10-22 08:57:53,755 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,755 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:53,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:53,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713718418] [2019-10-22 08:57:53,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:53,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:53,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124379747] [2019-10-22 08:57:53,812 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:53,812 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:53,812 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:53,812 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:53,812 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:53,812 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,812 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:53,813 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:53,813 INFO L131 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2019-10-22 08:57:53,813 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:53,813 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:53,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:53,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:53,855 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:53,855 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/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 [2019-10-22 08:57:53,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:53,863 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/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 [2019-10-22 08:57:53,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:53,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:53,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:53,881 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=3}, {ULTIMATE.start_main_~y~0=-8}, {ULTIMATE.start_main_~y~0=6}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/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 [2019-10-22 08:57:53,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:53,885 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99a3719e-91e8-486b-8eef-fe4981f61a4a/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:53,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:53,910 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:53,912 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:53,912 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:53,912 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:53,912 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:53,912 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:53,913 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:53,913 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:53,913 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:53,913 INFO L131 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration2_Loop [2019-10-22 08:57:53,913 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:53,913 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:53,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:53,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:53,953 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:53,953 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:53,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:53,954 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:53,954 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:53,955 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:53,955 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:53,955 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:53,955 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:53,955 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:53,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:53,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:53,960 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:53,960 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:53,961 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:53,961 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:53,961 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:53,961 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:53,962 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:53,967 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:53,971 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:57:53,972 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:57:53,972 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:53,972 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:57:53,972 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:53,972 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 197 Supporting invariants [] [2019-10-22 08:57:53,973 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:57:53,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:53,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:53,995 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:53,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:54,014 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:57:54,014 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-10-22 08:57:54,033 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 21 transitions. Complement of second has 6 states. [2019-10-22 08:57:54,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:57:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:57:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-10-22 08:57:54,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:57:54,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:54,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-10-22 08:57:54,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:54,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2019-10-22 08:57:54,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:54,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 21 transitions. [2019-10-22 08:57:54,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:54,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-10-22 08:57:54,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:54,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:54,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:54,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:54,037 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:54,037 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:54,037 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:54,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:54,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:54,041 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-10-22 08:57:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:54,044 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:57:54,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:54,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:57:54,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:54,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:54,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:54,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:54,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:54,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:54,045 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:54,045 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:54,045 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:54,045 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:57:54,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:54,045 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:54,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:57:54,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:54 BoogieIcfgContainer [2019-10-22 08:57:54,051 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:54,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:54,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:54,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:54,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:53" (3/4) ... [2019-10-22 08:57:54,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:54,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:54,057 INFO L168 Benchmark]: Toolchain (without parser) took 1394.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.4 MB in the beginning and 1.0 GB in the end (delta: -71.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:54,058 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:54,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:54,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.65 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:54,060 INFO L168 Benchmark]: Boogie Preprocessor took 14.52 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:54,060 INFO L168 Benchmark]: RCFGBuilder took 158.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:54,060 INFO L168 Benchmark]: BuchiAutomizer took 909.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:54,061 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:54,064 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 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.65 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.52 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 909.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 99 and consists of 4 locations. One deterministic module has affine ranking function -2 * x + 197 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 13 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf97 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 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...