./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_2.i --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_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/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 b979366a3621504b8e00489e522b90e6cdc4da83 ...................................................................................................................................................................................................................................................................................................................................................... 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 04:51:04,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:51:04,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:51:04,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:51:04,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:51:04,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:51:04,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:51:04,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:51:04,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:51:04,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:51:04,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:51:04,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:51:04,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:51:04,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:51:04,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:51:04,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:51:04,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:51:04,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:51:04,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:51:04,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:51:04,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:51:04,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:51:04,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:51:04,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:51:04,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:51:04,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:51:04,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:51:04,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:51:04,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:51:04,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:51:04,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:51:04,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:51:04,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:51:04,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:51:04,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:51:04,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:51:04,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:51:04,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:51:04,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:51:04,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:51:04,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:51:04,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 04:51:04,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:51:04,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:51:04,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:51:04,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:51:04,953 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:51:04,953 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 04:51:04,953 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 04:51:04,954 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 04:51:04,954 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 04:51:04,954 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 04:51:04,955 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 04:51:04,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:51:04,955 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:51:04,956 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:51:04,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:51:04,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:51:04,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:51:04,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 04:51:04,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 04:51:04,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 04:51:04,957 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:51:04,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:51:04,957 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 04:51:04,958 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:51:04,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 04:51:04,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:51:04,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:51:04,959 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 04:51:04,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:51:04,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:51:04,959 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 04:51:04,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 04:51:04,961 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_b76aea13-b6b9-46bd-8b68-46cde675e265/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 -> b979366a3621504b8e00489e522b90e6cdc4da83 [2019-11-20 04:51:05,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:51:05,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:51:05,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:51:05,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:51:05,119 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:51:05,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/../../sv-benchmarks/c/loop-new/count_by_2.i [2019-11-20 04:51:05,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/data/6ecb37b35/70994a3501c0496bbe930d90b5f9413a/FLAGa5a2a0f6f [2019-11-20 04:51:05,593 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:51:05,594 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/sv-benchmarks/c/loop-new/count_by_2.i [2019-11-20 04:51:05,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/data/6ecb37b35/70994a3501c0496bbe930d90b5f9413a/FLAGa5a2a0f6f [2019-11-20 04:51:05,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/data/6ecb37b35/70994a3501c0496bbe930d90b5f9413a [2019-11-20 04:51:05,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:51:05,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:51:05,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:51:05,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:51:05,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:51:05,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a660443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05, skipping insertion in model container [2019-11-20 04:51:05,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:51:05,652 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:51:05,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:51:05,824 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:51:05,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:51:05,912 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:51:05,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05 WrapperNode [2019-11-20 04:51:05,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:51:05,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:51:05,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:51:05,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:51:05,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:51:05,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:51:05,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:51:05,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:51:05,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... [2019-11-20 04:51:05,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:51:05,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:51:05,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:51:05,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:51:05,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/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 04:51:06,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:51:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:51:06,141 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:51:06,141 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 04:51:06,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:06 BoogieIcfgContainer [2019-11-20 04:51:06,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:51:06,143 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 04:51:06,143 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 04:51:06,146 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 04:51:06,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:51:06,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 04:51:05" (1/3) ... [2019-11-20 04:51:06,148 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ccca062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:51:06, skipping insertion in model container [2019-11-20 04:51:06,148 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:51:06,148 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:05" (2/3) ... [2019-11-20 04:51:06,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ccca062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 04:51:06, skipping insertion in model container [2019-11-20 04:51:06,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 04:51:06,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:06" (3/3) ... [2019-11-20 04:51:06,151 INFO L371 chiAutomizerObserver]: Analyzing ICFG count_by_2.i [2019-11-20 04:51:06,189 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 04:51:06,189 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 04:51:06,189 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 04:51:06,190 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:51:06,190 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:51:06,190 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 04:51:06,190 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:51:06,190 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 04:51:06,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-20 04:51:06,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:51:06,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:51:06,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:51:06,222 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 04:51:06,222 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:51:06,222 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 04:51:06,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-20 04:51:06,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 04:51:06,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 04:51:06,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 04:51:06,224 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 04:51:06,224 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 04:51:06,229 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 11#L12-3true [2019-11-20 04:51:06,230 INFO L796 eck$LassoCheckResult]: Loop: 11#L12-3true assume !!(main_~i~0 < 1000000); 3#L12-2true main_~i~0 := 2 + main_~i~0; 11#L12-3true [2019-11-20 04:51:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:51:06,235 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 04:51:06,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:51:06,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771907518] [2019-11-20 04:51:06,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:51:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:51:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:51:06,306 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:51:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:51:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2019-11-20 04:51:06,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:51:06,308 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424202318] [2019-11-20 04:51:06,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:51:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:51:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:51:06,319 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:51:06,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:51:06,320 INFO L82 PathProgramCache]: Analyzing trace with hash 31042, now seen corresponding path program 1 times [2019-11-20 04:51:06,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:51:06,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404470402] [2019-11-20 04:51:06,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:51:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:51:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:51:06,330 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 04:51:06,373 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:51:06,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:51:06,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:51:06,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:51:06,374 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 04:51:06,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:51:06,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:51:06,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:51:06,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2019-11-20 04:51:06,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:51:06,376 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:51:06,394 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 04:51:06,456 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:51:06,457 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 04:51:06,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 04:51:06,473 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/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/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 04:51:06,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 04:51:06,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 04:51:06,522 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 04:51:06,529 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 04:51:06,530 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 04:51:06,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 04:51:06,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 04:51:06,530 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 04:51:06,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 04:51:06,530 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 04:51:06,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 04:51:06,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_2.i_Iteration1_Loop [2019-11-20 04:51:06,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 04:51:06,531 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 04:51:06,533 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 04:51:06,571 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 04:51:06,574 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/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 04:51:06,579 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 04:51:06,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 04:51:06,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 04:51:06,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 04:51:06,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 04:51:06,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 04:51:06,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 04:51:06,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 04:51:06,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 04:51:06,603 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 04:51:06,603 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b76aea13-b6b9-46bd-8b68-46cde675e265/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 04:51:06,607 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 04:51:06,607 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 04:51:06,608 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 04:51:06,608 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 1000000 Supporting invariants [] [2019-11-20 04:51:06,612 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 04:51:06,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:51:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:51:06,659 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:51:06,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:51:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:51:06,669 WARN L253 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:51:06,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:51:06,686 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 04:51:06,701 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 [2019-11-20 04:51:06,702 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2019-11-20 04:51:06,747 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 26 states and 32 transitions. Complement of second has 7 states. [2019-11-20 04:51:06,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 04:51:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 04:51:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-11-20 04:51:06,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-20 04:51:06,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:51:06,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 04:51:06,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:51:06,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-20 04:51:06,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 04:51:06,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-11-20 04:51:06,762 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:51:06,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2019-11-20 04:51:06,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 04:51:06,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 04:51:06,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 04:51:06,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 04:51:06,766 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:51:06,766 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:51:06,766 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:51:06,766 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 04:51:06,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:51:06,766 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 04:51:06,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 04:51:06,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 04:51:06 BoogieIcfgContainer [2019-11-20 04:51:06,771 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 04:51:06,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:51:06,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:51:06,771 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:51:06,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:06" (3/4) ... [2019-11-20 04:51:06,774 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 04:51:06,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:51:06,776 INFO L168 Benchmark]: Toolchain (without parser) took 1155.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -75.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:51:06,777 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:51:06,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:51:06,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:51:06,779 INFO L168 Benchmark]: Boogie Preprocessor took 18.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:51:06,779 INFO L168 Benchmark]: RCFGBuilder took 178.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:51:06,780 INFO L168 Benchmark]: BuchiAutomizer took 628.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:51:06,780 INFO L168 Benchmark]: Witness Printer took 3.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:51:06,783 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 628.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 1000000 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 6 SDtfs, 7 SDslu, 10 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...